List of YouTube features explained

YouTube is an online video sharing platform owned by Google, founded on February 14, 2005 by Steve Chen, Chad Hurley, and Jawed Karim, and headquartered in San Bruno, California, United States. It is the second-most visited website in the world, after Google Search.

It offers different features based on user verification, such as standard or basic features like uploading videos, creating playlists, and using YouTube Music, with limits based on daily activity (verification via phone number or channel history increases feature availability and daily usage limits); intermediate or additional features like longer videos (over 15 minutes), live streaming, custom thumbnails, and creating podcasts; advanced features like content ID appeals, embedding live streams, applying for monetization, clickable links, adding chapters, and pinning comments on videos or posts.[1]

As of October 2024 it includes multitask with the improved miniplayer, build, share, and vote on favorite YouTube playlists, set bedtime with Sleep Timer, and an upgrade on YouTube TV.[2]

Video technology

YouTube primarily uses the VP9 and H.264/MPEG-4 AVC video codecs, and the Dynamic Adaptive Streaming over HTTP protocol.[3] MPEG-4 Part 2 streams contained within 3GP containers are also provided for low bandwidth connections.[4] By January 2019, YouTube had begun rolling out videos in AV1 format.[5] In 2021 it was reported that the company was considering requiring AV1 in streaming hardware in order to decrease bandwidth and increase quality.[6] Video is usually streamed alongside the Opus and AAC audio codecs.

At launch in 2005, viewing YouTube videos on a personal computer required the Adobe Flash Player plug-in to be installed in the browser.[7] In January 2010, YouTube launched an experimental version of the site that used the built-in multimedia capabilities of Web browsers supporting HTML video.[8] This allowed videos to be viewed without requiring Adobe Flash Player or any other plug-in to be installed.[9] On January 27, 2015, YouTube announced that HTML video would be the default playback method on supported browsers. HTML video streams use Dynamic Adaptive Streaming over HTTP (MPEG-DASH), an HTTP-based adaptive bit-rate streaming solution optimizes the bitrate and quality for the available network.[10]

The platform can serve videos at optionally lower resolution levels starting at 144p for smoother playback in areas and countries with limited Internet speeds, improving compatibility, as well as for the preservation of limited cellular data plans. The resolution can be adjusted automatically based on detected connection speed or set manually.[11] [12]

From 2008 to 2017, users could add "annotations" to their videos, such as pop-up text messages and hyperlinks, which allowed for interactive videos. By 2019, all annotations had been removed from videos, breaking some videos that depended on the feature. YouTube introduced standardized widgets intended to replace annotations in a cross-platform manner, including "end screens" (a customizable array of thumbnails for specified videos displayed near the end of the video).[13] [14] [15]

In 2018, YouTube became an International Standard Name Identifier (ISNI) registry, and announced its intention to begin creating ISNI identifiers to uniquely identify the musicians whose videos it features.[16]

Users can verify their account, normally through a mobile phone, to gain the ability to upload videos up to 12 hours in length, as well as produce live streams.[17] [18] Users who have built sufficient channel history and have a good track record of complying with the site's Community Guidelines will also gain access to these aforementioned features as well.[19] When YouTube was launched in 2005, it was possible to upload longer videos, but a 10-minute limit was introduced in March 2006 after YouTube found that the majority of videos exceeding this length were unauthorized uploads of television shows and films.[20] The 10-minute limit was increased to 15 minutes in July 2010.[21] Videos can be at most 256 GB in size or 12 hours, whichever is less., automatic closed captions using speech recognition technology when a video is uploaded are available in 13 languages, and can be machine-translated during playback.[22]

YouTube also offers manual closed captioning as part of its creator studio.[23] YouTube formerly offered a 'Community Captions' feature, where viewers could write and submit captions for public display upon approval by the video uploader, but this was deprecated in September 2020.[24]

YouTube accepts the most common container formats, including MP4, Matroska, FLV, AVI, WebM, 3GP, MPEG-PS, and the QuickTime File Format. Some intermediate video formats (i.e., primarily used for professional video editing, not for final delivery or storage) are also accepted, such as ProRes.[25] YouTube provides recommended encoding settings.[26]

Each video is identified by an eleven-character case-sensitive alphanumerical Base64 string in the Uniform Resource Locator (URL) which can contain letters, digits, an underscore (_), and a dash (-).[27]

In 2018, YouTube added a feature called Premiere which displays a notification to the user mentioning when the video will be available for the first time, like for a live stream but with a prerecorded video. When the scheduled time arrives, the video is aired as a live broadcast with a two-minute countdown. Optionally, a premiere can be initiated immediately.[28]

Quality and formats

YouTube originally offered videos at only one quality level, displayed at a resolution of 320×240 pixels using the Sorenson Spark codec (a variant of H.263),[29] [30] with mono MP3 audio.[31] In June 2007, YouTube added an option to watch videos in 3GP format on mobile phones.[32] In March 2008, a high-quality mode was added, which increased the resolution to 480×360 pixels.[33] In December 2008, 720p HD support was added. At the time of the 720p launch, the YouTube player was changed from a aspect ratio to a widescreen 16:9.[34] With this new feature, YouTube began a switchover to H.264/MPEG-4 AVC as its default video compression format. In November 2009, 1080p HD support was added. In July 2010, YouTube announced that it had launched a range of videos in 4K format, which allows a resolution of up to 4096×3072 pixels.[35] [36] In July 2010, support for 2160p UHD was added, with the videos playing at 3840 × 2160 pixels.[37] In June 2014, YouTube began to deploy support for high frame rate videos up to 60 frames per second (as opposed to 30 before), becoming available for user uploads in October. YouTube stated that this would enhance "motion-intensive" videos, such as video game footage.[38] [39] [40] [41] In June 2015, support for 8K resolution was added, with the videos playing at 7680×4320 pixels.[42] In November 2016, support for HDR video was added which can be encoded with hybrid log–gamma (HLG) or perceptual quantizer (PQ).[43] HDR video can be encoded with the Rec. 2020 color space.[44]

YouTube videos are available in a range of quality levels. Viewers only indirectly influence the video quality. In the mobile apps, users choose between "Auto", which adjusts resolution based on the internet connection, "High Picture Quality" which will prioritize playing high-quality video, "Data saver" which will sacrifice video quality in favor of low data usage and "Advanced" which lets the user choose a stream resolution.[45] On desktop, users choose between "Auto" and a specific resolution.[46] It is not possible for the viewer to directly choose a higher bitrate (quality) for any selected resolution.

Since 2009, viewers have had the ability to watch 3D videos.[47] In 2015, YouTube began natively supporting 360-degree video. Since April 2016, it allowed live streaming 360° video, and both normal and 360° video at up to 1440p, and since November 2016 both at up to 4K (2160p) resolution.[48] [49] Citing the limited number of users who watched more than 90-degrees, it began supporting an alternative stereoscopic video format known as VR180 which it said was easier to produce,[50] which allows users to watch any video using virtual reality headsets.[51]

In response to increased viewership during the COVID-19 pandemic, YouTube temporarily downgraded the quality of its videos.[52] [53] YouTube developed its own chip, called "Argos", to help with encoding higher resolution videos in 2021.[54]

In April 2023, YouTube began offering some videos in an enhanced bitrate "1080p Premium" option for YouTube Premium subscribers on iOS.[55] In August 2023, the feature became available to subscribers on desktop platforms.[56]

In certain cases, YouTube allows the uploader to upgrade the quality of videos uploaded a long time ago in poor quality. One such partnership with Universal Music Group included remasters of 1,000 music videos.[57]

Live streaming

YouTube carried out early experiments with live streaming, including its YouTube Live event in 2008,[58] a concert by U2 in 2009, and a question-and-answer session with US President Barack Obama in February 2010.[59] These tests had relied on technology from 3rd-party partners, but in September 2010, YouTube began testing its own live streaming infrastructure.[60] In April 2011, YouTube announced the rollout of YouTube Live. The creation of live streams was initially limited to select partners.[61] It was used for real-time broadcasting of events such as the 2012 Olympics in London.[62] In October 2012, more than 8 million people watched Felix Baumgartner's jump from the edge of space as a live stream on YouTube.[63]

In May 2013, creation of live streams was opened to verified users with at least 1,000 subscribers; in August of the same year the number was reduced to 100 subscribers,[64] and in December the limit was removed.[65] In February 2017, live streaming was introduced to the official YouTube mobile app. Live streaming via mobile was initially restricted to users with at least 10,000 subscribers,[66] but as of mid-2017 it has been reduced to 100 subscribers.[67] Live streams support HDR, can be up to 4K resolution at 60 fps, and also support 360° video.[68] [69]

User features

Comment system

Most videos enable users to leave comments, which have attracted attention for the negative aspects of their form and content. In 2006, Time praised Web 2.0 for enabling "community and collaboration on a scale never seen before", and added that YouTube "harnesses the stupidity of crowds as well as its wisdom. Some of the comments on YouTube make you weep for the future of humanity just for the spelling alone, never mind the obscenity and the naked hatred".[70] The Guardian in 2009 described users' comments on YouTube as:[71]

The Daily Telegraph commented in September 2008, that YouTube was "notorious" for "some of the most confrontational and ill-formed comment exchanges on the internet", and reported on YouTube Comment Snob, "a new piece of software that blocks rude and illiterate posts".[72] The Huffington Post noted in April 2012 that finding comments on YouTube that appear "offensive, stupid and crass" to the "vast majority" of the people is hardly difficult.[73]

Google subsequently implemented a comment system oriented on Google+ on November 6, 2013, that required all YouTube users to use a Google+ account to comment on videos. The stated motivation for the change was giving creators more power to moderate and block comments, thereby addressing frequent criticisms of their quality and tone.[74] The new system restored the ability to include URLs in comments, which had previously been removed due to problems with abuse.[75] [76] In response, YouTube co-founder Jawed Karim posted the question "why the fuck do I need a google+ account to comment on a video?" on his YouTube channel to express his negative opinion of the change.[77] The official YouTube announcement[78] received 20,097 "thumbs down" votes and generated more than 32,000 comments in two days.[79] Writing in the Newsday blog Silicon Island, Chase Melvin noted that "Google+ is nowhere near as popular a social media network like Facebook, but it's essentially being forced upon millions of YouTube users who don't want to lose their ability to comment on videos" and added that "Discussion forums across the Internet are already bursting with the outcry against the new comment system". In the same article Melvin goes on to say:[80]

Later, on July 27, 2015, Google announced in a blog post that it would be removing the requirement to sign up to a Google+ account to post comments to YouTube.[81] On November 3, 2016, YouTube announced a trial scheme which allows the creators of videos to decide whether to approve, hide or report the comments posted on videos based on an algorithm that detects potentially offensive comments.[82] Creators may also choose to keep or delete comments with links or hashtags to combat spam. They can also allow other users to moderate their comments.[83]

In December 2020, it was reported that YouTube would launch a new feature that will warn users who post a comment that "may be offensive to others."[84] [85]

Community

On September 13, 2016, YouTube launched a public beta of Community, a social media-based feature that allows users to post text, images (including GIFs), live videos and others in a separate "Community" tab on their channel.[86] Prior to the release, several creators had been consulted to suggest tools Community could incorporate that they would find useful; these YouTubers included Vlogbrothers, AsapScience, Lilly Singh, The Game Theorists, Karmin, The Key of Awesome, The Kloons, Peter Hollens, Rosianna Halse Rojas, Sam Tsui, Threadbanger and Vsauce3.[87]

After the feature has been officially released, the community post feature gets activated automatically for every channel that passes a specific threshold of subscriber counts or already has more subscribers. This threshold was lowered over time, from 10,000 subscribers to 1500 subscribers, to 1000 subscribers,[88] to 500 subscribers.[89]

Channels that the community tab becomes enabled for, get their channel discussions (previously known as channel comments) permanently erased, instead of co-existing or migrating.[90]

TestTube

Experimental features of YouTube could be accessed in an area of the site formerly named TestTube.[91] [92] For example, in October 2009, a comment search feature accessible under /comment_search was implemented as part of this program, however the feature was later removed.[93] Later the same year, YouTube Feather was introduced as a "lightweight" alternative website for countries with limited internet speeds.[94] Following the transition to the Polymer layout, TestTube was disabled, and the URL redirects to video playback settings. TestTube was replaced by a new system that requires users to be subscribed to YouTube Premium in order to enable or disable experiments.

Content accessibility

YouTube offers users the ability to view its videos on web pages outside their website. Each YouTube video is accompanied by a piece of HTML that can be used to embed it on any page on the Web.[95] This functionality is often used to embed YouTube videos in social networking pages and blogs. Users wishing to post a video discussing, inspired by, or related to another user's video can make a "video response". The eleven character YouTube video identifier (64 possible characters used in each position), allows for a theoretical maximum of 6411 or around 73.8 quintillion (73.8 billion billion) unique ids.

YouTube announced that it would remove video responses for being an underused feature on August 27, 2013.[96] Embedding, rating, commenting and response posting can be disabled by the video owner.[97] YouTube does not usually offer a download link for its videos, and intends for them to be viewed through its website interface.[98] A small number of videos can be downloaded as MP4 files.[99] Numerous third-party web sites, applications and browser plug-ins allow users to download YouTube videos.[100]

In February 2009, YouTube announced a test service, allowing some partners to offer video downloads for free or for a fee paid through Google Checkout.[101] In June 2012, Google sent cease and desist letters threatening legal action against several websites offering online download and conversion of YouTube videos.[102] In response, Zamzar removed the ability to download YouTube videos from its site.[103] Users retain copyright of their own work under the default Standard YouTube License,[104] but have the option to grant certain usage rights under any public copyright license they choose.

Since July 2012, it has been possible to select a Creative Commons attribution license as the default, allowing other users to reuse and remix the material.[105]

Platforms

Most modern smartphones are capable of accessing YouTube videos, either within an application or through an optimized website. YouTube Mobile was launched in June 2007, using RTSP streaming for the video.[106] Not all of YouTube's videos are available on the mobile version of the site.[107]

Since June 2007, YouTube's videos have been available for viewing on a range of Apple products. This required YouTube's content to be transcoded into Apple's preferred video standard, H.264, a process that took several months. YouTube videos can be viewed on devices including Apple TV, iPod Touch and the iPhone.[108]

The mobile version of the site was relaunched based on HTML video in July 2010, avoiding the need to use Adobe Flash Player and optimized for use with touch screen controls.[109] The mobile version is also available as an app for the Android platform.[110] [111]

In September 2012, YouTube launched its first app for the iPhone, following the decision to drop YouTube as one of the preloaded apps in the iPhone 5 and iOS 6 operating system.[112] According to GlobalWebIndex, YouTube was used by 35% of smartphone users between April and June 2013, making it the third-most used app.[113]

A TiVo service update in July 2008 allowed the system to search and play YouTube videos.[114]

In January 2009, YouTube launched "YouTube for TV", a version of the website tailored for set-top boxes and other TV-based media devices with web browsers, initially allowing its videos to be viewed on the PlayStation 3 and Wii video game consoles.[115] [116]

During the month of June that same year, YouTube XL was introduced, which has a simplified interface designed for viewing on a standard television screen.[117] YouTube is also available as an app on Xbox Live.[118]

On November 15, 2012, Google launched an official app for the Wii, allowing users to watch YouTube videos from the Wii channel.[119] An app was available for Wii U and Nintendo 3DS, but was discontinued in August 2019.[120] Videos can also be viewed on the Wii U Internet Browser using HTML video.[121] Google made YouTube available on the Roku player on December 17, 2013,[122] and, in October 2014, the Sony PlayStation 4.[123]

YouTube launched as a downloadable app for the Nintendo Switch in November 2018.[124]

International and localization

In early years of operation, Google faced some criticism for 'encouraging the dominance of US values', by prioritising English over other languages. On June 19, 2007, at a conference in Paris, Google CEO Eric Schmidt launched YouTube localization, with stated aims including customizing the YouTube experience by country, including country-specific comments, metrics, and video rankings. From 2007, YouTube's localization was rolled out.[125]

A 2015 report on YouTube's localization showed it to be continuing, and expanding.[126] In February 2023, YouTube made it possible to upload a single video in multiple languages. Prior to 2023, the only option for YouTubers to broaden their content's reach to audiences speaking different languages was to launch an entirely separate secondary channel for each language and upload dubbed versions of their videos across all those channels. MrBeast called multi-language dub tracks a “giant win” for creators. With the introduction of the dubbing localization option, many creators switched from uploading to separate channels to uploading to their main channel with dubbed versions.[127]

YouTube localization by country

As of 2024, the interface of YouTube is available with localized versions in 109 countries, two territories (Hong Kong & Puerto Rico) and a worldwide version[128] and continues to extend the availability of its localized version to additional countries and regions.[129]

If YouTube is unable to identify a specific country or region according to the IP address, the default location is the United States. However, YouTube offers language and content preferences for all accessible countries, regions, and languages.[130]

Countries with YouTube localization
CountryLanguage(s)Launch date
United StatesEnglishFebruary 14, 2005[131]
BrazilPortugueseJune 19, 2007
FranceFrench, Catalan, BasqueJune 19, 2007[132]
IrelandEnglish, IrishJune 19, 2007
ItalyItalian, German, CatalanJune 19, 2007
JapanJapaneseJune 19, 2007
NetherlandsDutchJune 19, 2007
PolandPolishJune 19, 2007
SpainSpanish, Galician, Catalan, BasqueJune 19, 2007
United KingdomEnglishJune 19, 2007
MexicoSpanishOctober 11, 2007[133]
Hong KongChinese, EnglishOctober 17, 2007[134]
TaiwanChineseOctober 18, 2007[135]
AustraliaEnglishOctober 22, 2007[136]
New ZealandEnglishOctober 22, 2007
CanadaEnglish, FrenchNovember 6, 2007[137]
GermanyGermanNovember 8, 2007[138]
RussiaRussianNovember 13, 2007[139]
South KoreaKoreanJanuary 23, 2008[140]
IndiaHindi, Bengali, Punjabi, English, Gujarati, Kannada, Malayalam, Marathi, Tamil, Assamese, Odia, Telugu, UrduMay 7, 2008[141]
IsraelHebrew, ArabicSeptember 16, 2008
Czech RepublicCzechOctober 9, 2008[142]
SwedenSwedishOctober 22, 2008[143]
South AfricaEnglish, Afrikaans, ZuluMay 17, 2010
ArgentinaSpanishSeptember 8, 2010[144]
AlgeriaArabic, FrenchMarch 9, 2011[145]
EgyptArabicMarch 9, 2011
JordanArabicMarch 9, 2011
MoroccoFrench, ArabicMarch 9, 2011
Saudi ArabiaArabicMarch 9, 2011
TunisiaArabic, FrenchMarch 9, 2011
YemenArabicMarch 9, 2011
KenyaEnglish, SwahiliSeptember 1, 2011[146]
PhilippinesFilipino, EnglishOctober 13, 2011[147]
SingaporeEnglish, Malay, Chinese, TamilOctober 20, 2011[148]
BelgiumFrench, Dutch, GermanNovember 16, 2011
ColombiaSpanishNovember 30, 2011[149]
UgandaEnglish, SwahiliDecember 2, 2011[150]
NigeriaEnglishDecember 7, 2011[151]
ChileSpanishJanuary 20, 2012[152]
HungaryHungarianFebruary 29, 2012[153]
MalaysiaMalay, EnglishMarch 22, 2012[154]
PeruSpanishMarch 25, 2012[155]
United Arab EmiratesArabic, EnglishApril 1, 2012[156]
GreeceGreekMay 1, 2012
IndonesiaIndonesian, EnglishMay 17, 2012[157]
GhanaEnglishJune 5, 2012[158]
SenegalFrench, EnglishJuly 4, 2012[159]
TurkeyTurkishOctober 1, 2012[160]
UkraineUkrainianDecember 13, 2012[161]
DenmarkDanishFebruary 1, 2013[162]
FinlandFinnish, SwedishFebruary 1, 2013[163]
NorwayNorwegianFebruary 1, 2013[164]
SwitzerlandGerman, French, ItalianMarch 29, 2013[165]
AustriaGermanMarch 29, 2013[166]
RomaniaRomanianApril 18, 2013[167]
PortugalPortugueseApril 25, 2013[168]
SlovakiaSlovakApril 25, 2013[169]
BahrainArabicAugust 16, 2013[170]
KuwaitArabicAugust 16, 2013
OmanArabicAugust 16, 2013
QatarArabicAugust 16, 2013
Bosnia and HerzegovinaBosnian, Croatian, SerbianMarch 17, 2014
BulgariaBulgarianMarch 17, 2014[171]
CroatiaCroatianMarch 17, 2014[172]
EstoniaEstonianMarch 17, 2014[173]
LatviaLatvianMarch 17, 2014[174]
LithuaniaLithuanianMarch 17, 2014
North MacedoniaMacedonian, Serbian, TurkishMarch 17, 2014
MontenegroSerbian, CroatianMarch 17, 2014
SerbiaSerbianMarch 17, 2014
SloveniaSlovenianMarch 17, 2014[175]
ThailandThaiApril 1, 2014[176]
LebanonArabicMay 1, 2014
Puerto RicoSpanish, EnglishAugust 23, 2014
IcelandIcelandic2014
LuxembourgFrench, German2014
VietnamVietnameseOctober 1, 2014
LibyaArabicFebruary 1, 2015
TanzaniaEnglish, SwahiliJune 2, 2015
ZimbabweEnglishJune 2, 2015
AzerbaijanAzerbaijaniOctober 12, 2015[177]
BelarusBelarusian, RussianOctober 12, 2015
GeorgiaGeorgianOctober 12, 2015
KazakhstanKazakh, RussianOctober 12, 2015
IraqArabicNovember 9, 2015
NepalNepaliJanuary 12, 2016[178]
PakistanUrdu, EnglishJanuary 12, 2016[179]
Sri LankaSinhala, Tamil, EnglishJanuary 12, 2016
JamaicaEnglishAugust 4, 2016
MaltaEnglishJune 19, 2018[180]
BoliviaSpanishJanuary 30, 2019
Costa RicaSpanishJanuary 30, 2019
EcuadorSpanishJanuary 30, 2019
El SalvadorSpanishJanuary 30, 2019
GuatemalaSpanishJanuary 30, 2019
HondurasSpanishJanuary 30, 2019
NicaraguaSpanishJanuary 30, 2019
PanamaSpanishJanuary 30, 2019
UruguaySpanishJanuary 30, 2019
ParaguaySpanish, GuaraniFebruary 21, 2019
Dominican RepublicSpanishFebruary 21, 2019
CyprusGreek, TurkishMarch 13, 2019
LiechtensteinGermanMarch 13, 2019
VenezuelaSpanishMarch 10, 2020
Papua New GuineaEnglish2020
BangladeshBengali, EnglishSeptember 2, 2020
CambodiaKhmerAugust 25, 2022
LaosLaoAugust 25, 2022
MoldovaRomanianMarch 28, 2024

The YouTube interface suggests which local version should be chosen based on the IP address of the user. In some cases, the message "This video is not available in your country" may appear because of copyright restrictions or inappropriate content.[181] The interface of the YouTube website is available in 76 language versions, including Amharic, Albanian, Armenian, Burmese, Haitian Creole, Kyrgyz, Malagasy, Mongolian, Persian, Samoan, Somali and Uzbek, which do not have local channel versions. Access to YouTube was blocked in Turkey between 2008 and 2010, following controversy over the posting of videos deemed insulting to Mustafa Kemal Atatürk and some material offensive to Muslims.[182] [183] In October 2012, a local version of YouTube was launched in Turkey, with the domain youtube.com.tr. The local version is subject to the content regulations found in Turkish law.[184] In March 2009, a dispute between YouTube and the British royalty collection agency PRS for Music led to premium music videos being blocked for YouTube users in the United Kingdom. The removal of videos posted by the major record companies occurred after failure to reach an agreement on a licensing deal. The dispute was resolved in September 2009.[185] In April 2009, a similar dispute led to the removal of premium music videos for users in Germany.[186]

Notes and References

  1. Web site: Access to YouTube tools & features . 21 October 2024 . YouTube Help . Google Support.
  2. News: All in the details: Keep your eyes peeled for these new features coming to YouTube . Matthew . Darby . 15 October 2024 . 21 October 2024 . YouTube Blog.
  3. Book: Barman . Nabajeet . Martini . Maria G. . 2017 Ninth International Conference on Quality of Multimedia Experience (QoMEX) . H.264/MPEG-AVC, H.265/MPEG-HEVC and VP9 codec comparison for live gaming video streaming . May 2017 . 1–6 . 10.1109/QoMEX.2017.7965686 . 978-1-5386-4024-1 . 28395957.
  4. Web site: 2018 . Youtube video/audio codec list . live . https://web.archive.org/web/20210911001956/https://gist.github.com/sidneys/7095afe4da4ae58694d128b1034e01e2 . September 11, 2021 . . Alt URL
  5. Web site: AV1 Beta Launch Playlist . YouTube. February 16, 2021 . https://web.archive.org/web/20210216145744/https://www.youtube.com/playlist?list=PLyqf6gJt7KuHBmeVzZteZUlNUQAVLwrZS . live. January 14, 2019.
  6. Web site: YouTube may require AV1 support in the future . Schoon . Ben . . en-US . April 14, 2023 . https://web.archive.org/web/20230414062701/https://9to5google.com/2021/01/27/youtube-av1-netflix-requirement/ . live. January 27, 2021. May 5, 2021.
  7. News: Flash moves on to smart phones . BBC . November 30, 2009 . October 5, 2009 . Jonathan . Fildes . October 8, 2022 . https://web.archive.org/web/20221008233844/http://news.bbc.co.uk/1/hi/8287239.stm . live .
  8. Web site: January 27, 2015 . YouTube ditches Flash for HTML5 video by default . Protalinski . Emil. VentureBeat . en-US . May 5, 2021 . https://web.archive.org/web/20210505173316/https://venturebeat.com/2015/01/27/youtube-ditches-flash-for-html5-video-by-default/ . live. May 5, 2021.
  9. Web site: HTML5 YouTube viewer: close, but not quite there . https://web.archive.org/web/20091110003012/https://www.downloadsquad.com/2009/11/08/html5-youtube-viewer-close-but-not-quite-there/ . November 10, 2009 . December 1, 2017.
  10. Web site: Rajeev . Tiwari . Streaming Media and RTOS: MPEG-DASH Support in Youtube . Streamingcodecs.blogspot.hu . January 3, 2013 . March 13, 2014 . March 3, 2014 . https://web.archive.org/web/20140303041133/http://streamingcodecs.blogspot.hu/2013/01/mpeg-dash-support-in-youtube.html . live .
  11. Web site: Change the quality of your video – YouTube Help . Google Inc. . April 10, 2021 . https://web.archive.org/web/20210410115130/https://support.google.com/youtube/answer/91449?hl=en . live .
  12. Web site: Conner . Katie . July 1, 2019 . Make YouTube videos sharper or load faster . CNET. April 10, 2021 . https://web.archive.org/web/20210410115130/https://www.cnet.com/how-to/change-the-quality-of-youtube-videos-on-your-phone-tv-and-laptop/. live. April 10, 2021.
  13. Web site: YouTube launches mobile-friendly "End Screens" feature to keep viewers watching more video . January 14, 2019 . TechCrunch . October 26, 2016 . en-US . March 16, 2021 . https://web.archive.org/web/20210316035117/https://techcrunch.com/2016/10/26/youtube-launches-mobile-friendly-end-screens-feature-to-keep-viewers-watching-more-video/ . live .
  14. Web site: Porter . Jon . November 27, 2018 . YouTube annotations will disappear for good in January . January 14, 2019 . The Verge . March 16, 2021 . https://web.archive.org/web/20210316035117/https://www.theverge.com/2018/11/27/18114581/youtube-annotations-discontinued-january-2019 . live .
  15. Web site: Statt . Nick . March 16, 2017 . YouTube to discontinue video annotations because they never worked on mobile . January 14, 2019 . The Verge . March 16, 2021 . https://web.archive.org/web/20210316035125/https://www.theverge.com/2017/3/16/14953756/youtube-annotations-feature-discontinue-cards-end-screens . live .
  16. Web site: YouTube Adopts ISNI ID for Artists & Songwriters . ISNI . June 1, 2018 . https://web.archive.org/web/20180601234147/http://www.isni.org/content/youtube-adopts-isni-id-artists-songwriters . live. June 1, 2018.
  17. https://www.google.com/support/youtube/bin/answer.py?answer=71673 "Upload videos longer than 15 minutes"
  18. https://support.google.com/youtube/answer/2474026? "Introduction to live streaming"
  19. https://support.google.com/youtube/answer/9891124#channelhistory "Unlock access to intermediate and advanced features"
  20. Web site: Ken . Fisher . YouTube caps video lengths to reduce infringement . . March 29, 2006 . March 25, 2017 . February 26, 2021 . https://web.archive.org/web/20210226200136/https://arstechnica.com/uncategorized/2006/03/6481-2/ . live .
  21. Web site: YouTube bumps video limit to 15 minutes . Josh . Lowensohn. . March 8, 2021 . https://web.archive.org/web/20210308013646/https://www.cnet.com/news/youtube-bumps-video-limit-to-15-minutes/ . live. July 29, 2010 . March 25, 2017.
  22. Web site: YouTube Automatic Translation Feature Rolls Out For Some Users . May 6, 2021 . Android Headlines . Vinay . Patel . December 8, 2021 . April 7, 2023 . https://web.archive.org/web/20230407034654/https://www.androidheadlines.com/2021/05/youtube-automatic-translation-feature.html . live .
  23. Web site: Adding Captions to YouTube Videos . . September 4, 2016 . University of Washington . September 11, 2016 . https://web.archive.org/web/20160911154901/http://www.washington.edu/accessibility/videos/youtube/ . dead.
  24. Web site: Saying Goodbye to YouTube's Community Contributions feature after September 28, 2020 . Google Inc. . June 8, 2022 . April 22, 2023 . https://web.archive.org/web/20230422085739/https://support.google.com/youtube/thread/61967856?hl=en . live .
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  26. Web site: Recommended upload encoding settings – YouTube Help . Google Inc.. February 2, 2021 . https://web.archive.org/web/20210202163705/https://support.google.com/youtube/answer/1722171. live. May 29, 2024.
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  116. Web site: Coming Up Next ... YouTube on Your TV . https://web.archive.org/web/20090622121857/https://www.youtube.com/blog?entry=sDFlZe7FwJI . June 22, 2009 . YouTube Blog . January 15, 2009 . May 10, 2009 . dead.
  117. Web site: Experience YouTube XL on the Big Screen . YouTube Blog . YouTube . June 2, 2009 . June 20, 2009 . January 9, 2021 . https://web.archive.org/web/20210109092540/https://blog.youtube/?entry=ByKmsHdhra8 . live .
  118. Web site: Xbox Live Getting Live TV, YouTube & Bing Voice Search . Mashable . June 6, 2011 . December 22, 2011.
  119. News: YouTube app wanders onto Nintendo Wii days before Wii U launch . Techradar.com . November 15, 2012 . November 20, 2012 . November 19, 2012 . https://web.archive.org/web/20121119040115/http://www.techradar.com/news/gaming/consoles/youtube-app-wanders-onto-nintendo-wii-days-before-wii-u-launch-1112972 . live .
  120. News: YouTube App for Nintendo 3DS Discontinuation . Nintendo America . February 4, 2020 . February 21, 2020 . https://web.archive.org/web/20200221001615/https://en-americas-support.nintendo.com/app/answers/detail/a_id/47010/~/youtube-app-for-nintendo-3ds-discontinuation . live .
  121. Web site: Sarah . Ali . Just for U: YouTube arrives on Wii U . Official YouTube Blog . November 22, 2012 . March 25, 2017 . June 14, 2020 . https://web.archive.org/web/20200614215940/https://youtube.googleblog.com/2012/11/just-for-u-youtube-arrives-on-wii-u.html . live .
  122. Web site: Todd . Spangler . YouTube Channel Now Playing on Roku . . December 17, 2013 . March 25, 2017 . March 8, 2021 . https://web.archive.org/web/20210308063701/https://variety.com/2013/digital/news/youtube-channel-now-playing-on-roku-1200969005/ . live .
  123. Web site: Richard . O'Grady . Pwn, share, repeat with YouTube on PlayStation 4 . Official YouTube Blog . October 28, 2014 . March 25, 2017 . December 10, 2020 . https://web.archive.org/web/20201210093857/https://youtube.googleblog.com/2014/10/pwn-share-repeat-with-youtube-on.html . live .
  124. Web site: YouTube for Nintendo Switch . Nintendo Game Details . Nintendo of America . December 5, 2018 . March 11, 2021 . https://web.archive.org/web/20210311113505/https://www.nintendo.com/games/detail/youtube-switch/ . live .
  125. Web site: YouTube aux couleurs de la France . fr . YouTube in the colours of France . June 19, 2007 . December 10, 2023 . December 10, 2023 . https://web.archive.org/web/20231210073019/https://www.zdnet.fr/actualites/youtube-aux-couleurs-de-la-france-39370424.htm . live .
  126. Web site: YouTube: A Localization Strategy and What Comes Next . March 11, 2015 . January 4, 2024 . September 24, 2023 . https://web.archive.org/web/20230924002357/https://www.doz.com/media/youtube-global-local-strategy . live .
  127. Web site: Creators can build big international audiences by dubbing their content in other languages. But what's the best way to dub?. YouTube in the colours of France. August 1, 2023. December 20, 2023. August 17, 2023. https://web.archive.org/web/20230817215038/https://www.tubefilter.com/2023/08/01/youtube-content-language-localization-air-media-tech/. live.
  128. See the YouTube localization list at the bottom of the YouTube website.
  129. Web site: Watch videos offline on mobile in select countries & regions . March 11, 2024 . YouTube . March 11, 2024 . https://web.archive.org/web/20240311120528/https://support.google.com/youtube/answer/6141269 . live .
  130. Web site: Change language or location settings . March 11, 2024 . YouTube . March 11, 2024 . https://web.archive.org/web/20240311120528/https://support.google.com/youtube/answer/87604 . live .
  131. Also as worldwide launch.
  132. News: Sayer . Peter . June 19, 2007 . Google launches YouTube France News . . . November 1, 2023 . November 1, 2023 . https://web.archive.org/web/20231101225353/https://www.techadvisor.com/article/725160/google-launches-youtube-france.html . live .
  133. News: Presentan hoy YouTube México . . October 11, 2007 . September 9, 2010 . es . YouTube México launched today . dead . https://web.archive.org/web/20090516063924/https://www.eluniversal.com.mx/articulos/43235.html . May 16, 2009.
  134. News: 中文上線 – YouTube 香港中文版登場！ . Stanley5 . October 17, 2007 . January 2, 2012 . October 11, 2018 . https://web.archive.org/web/20181011221455/https://stanley5.blogspot.com/2007/10/youtube.html . dead.
  135. News: YouTube繁體中文版上線 . IThome . October 18, 2007 . https://web.archive.org/web/20220518040112/https://www.ithome.com.tw/node/45813 . May 18, 2022.
  136. News: Kristen . Nicole . YouTube Launches in Australia & New Zealand . . October 22, 2007 . August 3, 2009 . April 3, 2019 . https://web.archive.org/web/20190403142649/https://mashable.com/2007/10/22/youtube-australia-new-zealand/ . live .
  137. News: Kristen . Nicole . YouTube Canada Now Live . November 6, 2007 . . August 3, 2009 . April 3, 2019 . https://web.archive.org/web/20190403183030/https://mashable.com/2007/11/06/youtube-canada/ . live .
  138. News: Adam . Ostrow . YouTube Germany Launches . . November 8, 2007 . August 3, 2009 . April 3, 2019 . https://web.archive.org/web/20190403120958/https://mashable.com/2007/11/08/youtube-germany/ . live .
  139. News: YouTube перевелся на русский . ru . Kommersant Moscow . November 14, 2007 . March 22, 2012 . December 2, 2013 . https://web.archive.org/web/20131202230948/http://www.kommersant.ru/doc/824940/ . live .
  140. Martyn . Williams . YouTube Launches Korean Site . . January 23, 2008 . March 22, 2012 . April 28, 2012 . https://web.archive.org/web/20120428184917/http://www.pcworld.com/article/141684/youtube_launches_korean_site.html . dead.
  141. News: Sandeep . Joshi . YouTube now has an Indian incarnation . https://web.archive.org/web/20080510222042/https://www.hindu.com/2008/05/08/stories/2008050857242200.htm . dead . May 10, 2008 . May 8, 2008 . August 3, 2009 . . Chennai, India.
  142. News: Petr . Bokuvka . Czech version of YouTube launched. And it's crap. It sucks . The Czech Daily Word . Wordpress.com . October 12, 2008 . August 3, 2009 . April 3, 2019 . https://web.archive.org/web/20190403074947/https://czechdaily.wordpress.com/2008/10/12/czech-version-of-youtube-launched-and-its-crap-it-sucks/ . live .
  143. https://www.kullin.net/2008/10/launch-video-unavailable-when-youtube-opens-up-in-sweden/ Launch video unavailable when YouTube opens up in Sweden
  144. Web site: YouTube launches in Argentina . September 9, 2010 . September 9, 2010 . dead . https://web.archive.org/web/20100912172902/https://www.typeboard.com/2010/09/youtube-launches-in-argentina/ . September 12, 2010.
  145. Web site: YouTube Launches Local Version For Algeria, Egypt, Jordan, Morocco, Saudi Arabia, Tunisia and Yemen . ArabCrunch . March 13, 2011 . dead . https://web.archive.org/web/20110314234447/https://arabcrunch.com/2011/03/youtube-launches-local-version-for-algeria-egypt-jordan-morocco-saudi-arabia-tunisia-and-yemen.html . March 14, 2011.
  146. News: Nmachi . Jidenma . Google launches YouTube in Kenya . The Next Web . September 1, 2011 . March 22, 2012 . March 31, 2019 . https://web.archive.org/web/20190331150238/https://thenextweb.com/africa/2011/10/05/google-launches-youtube-in-kenya/ . live .
  147. News: Riza . Olchondra . YouTube Philippines launched . . October 13, 2011 . June 29, 2024 .
  148. News: YouTube Launches Singapore Site . September 23, 2015 . https://web.archive.org/web/20111021221603/https://www.todayonline.com/Singapore/EDC111020-0000359/YouTube-launches-Singapore-site . October 21, 2011.
  149. https://thenextweb.com/la/2011/12/01/youtube-launches-localized-website-for-columbia/ YouTube launches localized website for Colombia
  150. https://pctechmagazine.com/index.php?option=com_content&view=article&id=1069:google-launches-youtube-uganda&catid=1:latest-news&Itemid=162 Google Launches YouTube Uganda
  151. https://www.techmtaa.com/2011/12/07/google-to-launch-youtube-nigeria-today/ Google to Launch YouTube Nigeria Today
  152. https://nextvlatam.com/index.php/5-otts/google-launches-youtube-chile/ Google launches YouTube Chile
  153. https://kultura.hu/main.php?folderID=1094&articleID=323455&ctag=&iid=11 Google Launches Hungarian YouTube
  154. https://www.webpronews.com/youtube-launches-local-domain-for-malaysia-2012-03 YouTube Launches Local Domain For Malaysia
  155. https://www.webpronews.com/youtube-peru-launched-expansion-continues-2012-03 YouTube Peru Launched, Expansion continues
  156. Web site: UAE version of YouTube launched . Emirates 247 . April 2, 2012 . February 14, 2014 . Bindu Suresh Rai . February 25, 2014 . https://web.archive.org/web/20140225032636/http://www.emirates247.com/business/technology/uae-version-of-youtube-launched-2012-04-02-1.451741 . dead .
  157. https://www.thejakartaglobe.com/home/youtube-launches-indonesian-version/524443 "YouTube Launches Indonesian Version"
  158. https://www.humanipo.com/blog/713/Google-launches-YouTube-in-Ghana "Google launches YouTube in Ghana"
  159. https://www.telecompaper.com/news/youtube-launches-local-portal-in-senegal "YouTube launches local portal in Senegal"
  160. https://www.aa.com.tr/en/turkiye/86446--g "YouTube's Turkish version goes into service"
  161. News: Maryna . Tarasova . YouTube приходить в Україну! (YouTube comes in Ukraine!) . Google Ukraine Blog . December 13, 2012 . Ukraine . uk . February 17, 2022 . August 4, 2016 . https://web.archive.org/web/20160804014222/http://google-ukraine-blog.blogspot.com/2012/12/youtube.html . live .
  162. News: YouTube lanceres i Danmark . iProspect . April 17, 2013 . Denmark . dead . https://web.archive.org/web/20130507094859/https://www.iprospect.dk/youtube-lanceres-i-danmark . May 7, 2013.
  163. News: Vilja . Sormunen . YouTube Launches in the Nordics . KLOK . February 6, 2013 . February 11, 2013 . Nordic . https://web.archive.org/web/20130728163345/https://www.klok.fi/blog/youtube-launches-in-the-nordics/ . July 28, 2013 . dead.
  164. News: YouTube Launched in Norway . . April 17, 2013 . Norway . dead . https://web.archive.org/web/20130420134320/https://www.tono.no/YouTube+lansert+i+Norge.12888.cms . April 20, 2013.
  165. News: YouTube goes Swiss . . April 17, 2013 . Swiss . December 3, 2013 . https://web.archive.org/web/20131203070051/http://www.swissinfo.ch/eng/business/YouTube_goes_Swiss.html?cid=35450210 . live .
  166. News: YouTube.at since Thursday online . . April 17, 2013 . Austria . May 2, 2013 . https://web.archive.org/web/20130502151534/http://www.wienerzeitung.at/themen_channel/wz_digital/digital_news/538498_YouTube.at-seit-Donnerstag-online.html . live .
  167. News: Youtube România se lansează într-o săptămână . ZF.ro . May 14, 2013 . Romania . December 2, 2013 . https://web.archive.org/web/20131202233402/http://www.zf.ro/zf-24/youtube-romania-se-lanseaza-intr-o-saptamana-10764820 . live .
  168. News: Google lança versão lusa do YouTube . Luso Noticias . May 14, 2013 . Portugal . https://web.archive.org/web/20131203003223/https://www.lusonoticias.com/index.php?option=com_content&view=article&id=27764:google-lanca-versao-lusa-do-youtube&catid=343&Itemid=159 . December 3, 2013 . dead.
  169. Web site: Slováci už môžu oficiálne zarábať na tvorbe videí pre YouTube . Vat Pravda . May 21, 2013 . February 14, 2014 . tš . sk . April 3, 2019 . https://web.archive.org/web/20190403192145/https://vat.pravda.sk/obraz-a-zvuk/clanok/281254-slovaci-uz-mozu-oficialne-zarabat-na-tvorbe-videi-pre-youtube/ . live .
  170. Web site: YouTube expands monetization and partnership in GCC . tbreak Media . September 16, 2013 . February 14, 2014 . Rego . Nick . dead . https://archive.today/20140213233858/http://www.tbreak.ae/news/youtube-expands-monetization-partnership-gcc . February 13, 2014.
  171. Web site: YouTube рекламата става достъпна и за България . New Trend . March 18, 2014 . April 5, 2014 . Ивелина Атанасова . bg . dead . https://web.archive.org/web/20140407082809/https://newtrend.bg/digital-company/youtube/youtube-reklama-bulgaria . April 7, 2014.
  172. Web site: Oglašavanje na video platformi YouTube od sad dostupno i u Hrvatskoj . Lider . March 19, 2014 . April 5, 2014 . hr . https://web.archive.org/web/20150111014509/https://liderpress.hr/poslovna-znanja/oglasavanje-na-video-platformi-youtube-od-sad-dostupno-i-u-hrvatskoj/ . January 11, 2015 . dead.
  173. Web site: Youtube reklaamid – uued võimalused nüüd ka Eestis! . Meedium . March 19, 2014 . April 5, 2014 . Siiri . Oden . et . dead . https://web.archive.org/web/20140407094928/https://www.meedium.ee/blog/youtube-reklaamid-eestis . April 7, 2014.
  174. Web site: Tagad reklāmas iespējas Youtube kanālā iespējams izmantot arī Latvijā . Marketing . March 18, 2014 . April 5, 2014 . Marta . lv . dead . https://web.archive.org/web/20140321170116/https://marketing.lv/tagad-reklamas-iespejas-youtube-kanala-iespejams-izmantot-ari-latvija/ . March 21, 2014.
  175. Web site: Na Youtube prihajajo tudi slovenski video oglasi . . March 18, 2014 . April 5, 2014 . STA . sl . April 7, 2014 . https://web.archive.org/web/20140407075431/http://www.dnevnik.si/magazin/znanost-in-tehnologija/na-youtube-prihajajo-tudi-slovenski-video-oglasi . live .
  176. News: YouTube introduces homepage especially . . April 3, 2014 . April 4, 2014 . Asina . Pornwasin . July 25, 2014 . https://web.archive.org/web/20140725161948/http://www.nationmultimedia.com/business/YouTube-introduces-homepage-especially-30230795.html . dead.
  177. Web site: YouTube continues global expansion w/ versions of its site in 7 new locales . Stephen . Hall . 9to5 Google . October 12, 2015 . March 18, 2016 . April 3, 2019 . https://web.archive.org/web/20190403120846/https://9to5google.com/2015/10/12/youtube-global-7-new-countries/ . live .
  178. News: YouTube launches Nepal, Pakistan, Sri Lanka-specific homepages . . January 13, 2016 . January 31, 2016 . March 31, 2019 . https://web.archive.org/web/20190331131306/https://thehimalayantimes.com/entertainment/youtube-launches-specific-homepages-for-nepal-pakistan-sri-lanka/ . live .
  179. News: YouTube launches country-specific homepage for Pakistan . . January 12, 2016 . January 31, 2016 . January 28, 2016 . https://web.archive.org/web/20160128170842/http://tribune.com.pk/story/1026164/youtube-launches-country-specific-homepages-for-pakistan/ . live .
  180. Web site: YouTube Launches Local Domain For Malta . February 15, 2023 . maltachamber.org.mt . en . March 7, 2023 . https://web.archive.org/web/20230307214942/https://www.maltachamber.org.mt/en/youtube-launches-local-domain-for-malta . dead .
  181. Web site: Learn More: Video not available in my country . August 4, 2009 . December 3, 2011 . https://web.archive.org/web/20111203001609/http://www.google.com/support/youtube/bin/answer.py?hl=en-uk&answer=92571 . live .
  182. News: Turkey lifts two-year ban on YouTube . BBC News . October 30, 2010 . October 3, 2012 . April 8, 2019 . https://web.archive.org/web/20190408224644/https://www.bbc.co.uk/news/technology-11659816 . live .
  183. News: Turks censor YouTube censorship . Danforth . Nick . San Francisco Chronicle . July 31, 2009 . August 4, 2009 . March 4, 2010 . https://web.archive.org/web/20100304121851/http://www.sfgate.com/cgi-bin/article.cgi?f=/c/a/2009/07/30/ED68191LKM.DTL . live .
  184. Web site: Dara . Kerr . YouTube cedes to Turkey and uses local Web domain . . October 2, 2012 . March 25, 2017 . March 12, 2014 . https://web.archive.org/web/20140312054330/http://news.cnet.com/8301-1023_3-57524907-93/youtube-cedes-to-turkey-and-uses-local-web-domain/ . live .
  185. News: Emma . Barnett . Music videos back on YouTube in multi-million pound PRS deal . https://ghostarchive.org/archive/20220110/https://www.telegraph.co.uk/technology/google/6127624/Music-videos-back-on-YouTube-in-multi-million-pound-PRS-deal.html . January 10, 2022 . subscription . live . . September 3, 2009 . March 26, 2017.
  186. News: Now YouTube stops the music in Germany . The Guardian . London . April 1, 2009 . April 2, 2009 . March 31, 2019 . https://web.archive.org/web/20190331144358/https://www.theguardian.com/media/pda/2009/apr/01/youtube-digital-music-and-audio . live .

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