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Comparison of HTML5 and Flash: Difference between revisions

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|url=http://bits.blogs.nytimes.com/2010/06/30/amazon-to-launch-web-based-book-previews/
|date=June 30, 2010
|accessdateaccess-date=December 26, 2010
}}</ref> Both include features for playing audio and [[video]] within [[web page]]s, It can also be used to play some basic HTML5 browser games and integrated [[vector graphics]] are possible with both.
 
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|url=http://news.cnet.com/8301-30685_3-20000037-264.html
|date=February 3, 2010
|accessdateaccess-date=December 26, 2010
}}</ref> <br/> Version 1 released in 1997
|-
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|}}
| {{terminated|<!-- Please do NOT specify unofficial versions! -->
* [[Android (operating system)|Android]] 2.1 to 4.1<ref>{{cite magazine |first=Daniel |last=Ionescu |title=Flash Player 11.1 Arrives for Android Ice Cream Sandwich |magazine=PC World |url=http://www.pcworld.com/article/246362/flash_player_11_1_arrives_for_android_ice_cream_sandwich.html |accessdateaccess-date= November 16, 2012}}</ref><ref>{{cite web |first=Zach |last=Walton |title=Adobe May Have Dropped Flash Support For Android, But You Don't Have To |url=http://www.webpronews.com/adobe-may-have-dropped-flash-support-for-android-but-you-dont-have-to-2012-07 |accessdateaccess-date= November 17, 2012}}</ref>
* Apple [[iOS]] (Adobe AIR only)<ref>{{cite web|url=https://forums.adobe.com/thread/1679699|title=1/13/2015 - Release - AIR 16 Runtime and SDK - Adobe Community|website=forums.adobe.com}}</ref>
* [[BlackBerry 10]] (up to OS 10.3.0)<ref>{{cite web |title=BlackBerry Knowledge Base explains the removal of Adobe Flash from OS 10.3.1 |publisher=Crackberry |url=http://crackberry.com/blackberrys-official-comments-removal-adobe-flash-os-1031 |accessdateaccess-date= January 25, 2015}}</ref>
* [[BlackBerry Tablet OS]]<ref>{{cite web |title=Adobe enables 3D games with Flash Player 11 and AIR 3 - Major advancements for gaming, media and more |publisher=Crackberry |url=http://crackberry.com/adobe-enables-3d-games-flash-player-11-air-3 |accessdateaccess-date= January 25, 2015}}</ref>
* [[Windows RT]]
|}}
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| {{n/a}}
| {{yes|
* [[PlayStation]]&nbsp;([[PlayStation 4|PS4]], [[PlayStation 3|PS3]] and [[PlayStation Vita|PS Vita]])<ref name="html5consoles"/><ref>{{cite web |url=http://totalrevue.com/ps3-receives-4-10-firmware-update-browser-html5-support/ |title=totalrevue.com |publisher=totalrevue.com |url-status=dead |accessdateaccess-date=2014-06-29 |archive-url=https://web.archive.org/web/20160304074842/http://totalrevue.com/ps3-receives-4-10-firmware-update-browser-html5-support/ |archive-date=2016-03-04 }}</ref><ref>{{cite web |url=http://functionsource.com/post/netflix-feature |title=Archived copy |accessdateaccess-date=2012-11-24 |url-status=dead |archive-url=https://archive.is/20130124131418/http://functionsource.com/post/netflix-feature |archive-date=2013-01-24 }}</ref>
* [[Nintendo Switch]] and [[Wii U]]<ref>{{cite web|url=http://www.neowin.net/news/nintendo-html5-support-for-wii-u-browser-but-no-flash |title=Nintendo: HTML5 support for Wii U browser, but no Flash |publisher=Neowin |accessdateaccess-date=2014-06-29}}</ref><ref>{{cite web|url=http://www.nintendo-nation.net/wii-u-browser-html5/ |title=Wii U browser first for HTML5 compliance, powered by Netfront? |publisher=Nintendo Nation.net |date=2012-11-02 |accessdateaccess-date=2014-06-29}}</ref><ref name="html5consoles">{{cite web|url=http://html5test.com/results/gaming.html |title=How well does your browser support HTML5? |publisher=HTML5test |accessdateaccess-date=2014-06-29}}</ref><ref>{{cite web|url=https://venturebeat.com/2012/11/01/wii-us-browser-is-better-at-html5-than-internet-explorer-10-on-pc/ |title=Wii U's browser is better equipped for HTML5 than Internet Explorer 10 on PC &#124; GamesBeat &#124; Games &#124; by Jeff Grubb |publisher=Venturebeat.com |date=2012-11-01 |accessdateaccess-date=2014-06-29}}</ref>
* [[Nintendo 3DS]] family (partial)<ref name="html5consoles"/>
* [[Xbox One]] and [[Xbox 360]]<ref name="html5consoles"/><ref>{{cite web|url=http://www.gamasutra.com/blogs/SteveFulton/20121023/179970/Xbox_360_Internet_Explorer_Plays_HTML5_GamesBut_Not_Flash.php |title=Steve Fulton's Blog - Xbox 360 Internet Explorer Plays HTML5 Games...But Not Flash |website=Gamasutra |date=2012-10-23 |accessdateaccess-date=2014-06-29}}</ref>
|}}
| {{terminated|
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! Market penetration
| {{n/a}}
| {{depends|82.3% of websites (as of March 28, 2020)}}<ref>{{cite web|title=Usage statistics of HTML5 for websites|url=https://w3techs.com/technologies/details/ml-html5|accessdateaccess-date=2020-03-28|archive-date=2020-03-28|archive-url=https://archive.today/20200328164022/https://w3techs.com/technologies/details/ml-html5|url-status=live|work=W3Techs|publisher=Q-Success}}</ref>
| {{Terminated|4.5% of websites (as of April 19, 2018)<ref>{{cite web |last1=Cimpanu |first1=Catalin |title=Flash Used on 5% of All Websites, Down From 28.5% Seven Years Ago |url=https://www.bleepingcomputer.com/news/software/flash-used-on-5-percent-of-all-websites-down-from-285-percent-seven-years-ago/ |website=BleepingComputer |accessdateaccess-date=August 12, 2019 |date=April 19, 2018|archive-url=https://web.archive.org/web/20200324114257/https://www.bleepingcomputer.com/news/software/flash-used-on-5-percent-of-all-websites-down-from-285-percent-seven-years-ago/|url-status=live|archive-date=2020-03-24}}</ref>}}
|-
! Browser support
| {{n/a}}
| {{yes|97.5% of browser installations (as of February 2020)<ref>{{cite web|url=https://www.w3counter.com/trends|publisher=Awio Web Services|work=W3Counter|accessdateaccess-date=2020-03-28|url-status=live|archive-date=2020-03-07|archive-url=https://web.archive.org/web/20200307212036/https://www.w3counter.com/trends|title=Web Browser Usage Trends}}</ref>}}
| {{depends|29% of browser installations (as of July 2019)<ref>{{cite web|url=https://www.zdnet.com/pictures/2019s-tech-security-and-authentication-trends/2/|last=Cimpanu|first=Catalin|accessdateaccess-date=2020-03-28|title=Adobe Flash Player market share going down|date=2019-07-16|publisher=[[CBS Interactive]]|work=[[ZDNet]]|url-status=live|archive-date=2020-03-09|archive-url=https://web.archive.org/web/20200309173918/https://www.zdnet.com/pictures/2019s-tech-security-and-authentication-trends/2/}}</ref>}}
|-
! Vector graphics formats
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! Bitmap effects
| {{yes}}
| {{yes|90+%<ref name="caniusefilters">{{cite web|url=http://caniuse.com/css-filters|title=Can I use CSS Filter Effects|website=caniuse.com}}</ref> support of Filters in CSS3 (e.g. Glow, Blur, Drop Shadow, Sepia)<ref>{{cite web|last=Danilo |first=Alex |url=http://www.html5rocks.com/en/tutorials/filters/understanding-css/ |title=Understanding CSS Filter Effects |publisher=HTML5 Rocks |date=2012-05-25 |accessdateaccess-date=2014-06-29}}</ref>}}
| {{yes}}, applied to text or graphics (e.g. Glow, Drop Shadow, Bevel)<ref>{{cite web|url=http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/filters/BitmapFilter.html |title=BitmapFilter - Adobe ActionScript 3 (AS3 ) API Reference |publisher=Help.adobe.com |date=2014-05-28 |accessdateaccess-date=2014-06-29}}</ref>
|-
! Vector text display
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| {{n/a}}
| {{yes|Installed fonts and custom fonts using [[Web typography|CSS 3 web fonts]]}}
| {{yes|Installed fonts and embedded fonts}}<ref>{{cite web|author=Peter deHaan|title=Embedding fonts.|url=https://www.adobe.com/devnet/flash/quickstart/embedding_fonts.html|accessdateaccess-date=July 23, 2012}}</ref>
|-
! Text [[Spatial anti-aliasing|anti-aliasing]]
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|-
! Linked text frames<sup><span style="font-weight:normal">{{note|a|1}}</span></sup>
| {{depends|{{As of|2016}}, two specifications compete: CSS Regions<ref>{{cite web|publisher=W3C|title=CSS Regions|url=http://www.w3.org/TR/css-regions-1/|accessdateaccess-date=August 24, 2015}}</ref> and CSS Overflow<ref>{{cite web|publisher=W3C|title=CSS Overflow|url=https://drafts.csswg.org/css-overflow/|accessdateaccess-date=August 24, 2015}}</ref>}}
| {{depends|With CSS Regions, supported by Safari, IE11 and Edge}}<ref>{{cite web|publisher=Can I Use...|title=CSS Regions|url=http://caniuse.com/css-regions|accessdateaccess-date=February 12, 2016}}</ref>
| {{yes}}, with Text Layout Framework<ref>{{cite web|publisher=Adobe Systems|title=Working with Text Layout Framework (TLF) text|url=http://help.adobe.com/en_US/flash/cs/using/WSb03e830bd6f770ee-4b0db644124bbdb363d-8000.html#WSb03e830bd6f770ee39dfeb5a12f0e142ade-7fff|accessdateaccess-date=July 22, 2012}}</ref>
|-
! Programming languages
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| {{yes|Cross-compiling C++ code to JavaScript via [[Emscripten]]}}
| {{yes|Supported with [[WebAssembly]]}}
| {{yes|Cross-compiling C++ code to run in Flash Player via FlasCC<ref>{{cite web|url=http://gaming.adobe.com/technologies/flascc/ |title=Game creation software with Flash &#124; Adobe Gaming |publisher=Gaming.adobe.com |accessdateaccess-date=2014-06-29}}</ref> AIR has AIR Native Extensions that allow loading native code, such as compiled C++ code.}}
|-
! Code delivery format
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! Data formats
| {{depends}}
| {{yes|[[CSS]] 3, [[HTML]], [[XML]], [[JSON]]}}<ref>{{cite web|url=http://caniuse.com/json |title=Browser-native |publisher=Caniuse.com |accessdateaccess-date=2014-06-29}}</ref>
| {{yes|[[JSON]], [[XML]], Subset of [[CSS]] 1}}<ref>{{cite web|url=http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/text/StyleSheet.html |title=StyleSheet - Adobe ActionScript 3 (AS3 ) API Reference |publisher=Help.adobe.com |date=2014-05-28 |accessdateaccess-date=2014-06-29}}</ref>
|-
! Data compression
| {{no}}
| {{yes|[[GZIP]] compression for HTML, JS and CSS files<ref>{{cite web|url=http://schroepl.net/projekte/mod_gzip/browser.htm |title=Which browsers can handle Content-Encoding: gzip ? |publisher=schroepl.net |date=2003-03-11 |accessdateaccess-date=2017-04-02}}</ref>}}
| {{yes|[[LZMA]] or [[DEFLATE]] for SWF files}}
|-
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| {{depends}}
| {{yes|[[Portable Network Graphics|PNG]], [[JPEG]], [[Scalable Vector Graphics|SVG]], Animated [[Graphics Interchange Format|GIF]]}}<!-- scripts to render WebP via WebM support exist --><ref group="note">SVG may be used by several ways: it may be included into an html source code or be linked as an image source to be displayed (e.g. in <syntaxhighlight lang="html" inline><img ... /></syntaxhighlight> tag); </ref><ref name=":w3.org:svg standard" />
| {{yes|[[Portable Network Graphics|PNG]], [[JPEG]], [[JPEG-XR]], Single-frame [[Graphics Interchange Format|GIF]]}}<ref>{{cite web|author=Thibault Imbert|title=What's new in Flash Player 11|url=https://www.adobe.com/devnet/flashplayer/articles/whats-new-flash-player11.html|accessdateaccess-date=July 23, 2012}}</ref><ref>{{Cite book|publisher=Adobe Systems Incorporated|title=SWF File Format Specification, Version 10|year=2008|page=25|url=https://www.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf_file_format_spec_v10.pdf|access-date=2014-08-20|archive-url=https://web.archive.org/web/20120131083755/http://www.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf_file_format_spec_v10.pdf|archive-date=2012-01-31|url-status=dead}}</ref>
|-
! Video formats
| {{depends}}
| {{yes|90+% support of [[H.264]];<ref>{{cite web|url=http://caniuse.com/mpeg4 |title=Can I use the MPEG-4/H.264 video format? |publisher=Caniuse.com |accessdateaccess-date=2016-02-12}}</ref> varying support of [[WebM]] and [[Ogg Theora]] (see [[HTML5 video]])}}
| {{yes|H.264, [[Sorenson Spark]], and [[VP6|On2 VP6]]}}<ref>{{cite web|publisher=Adobe Systems|title=Supported Codecs|url=http://helpx.adobe.com/flash/kb/supported-codecs-flash-player.html|accessdateaccess-date=July 29, 2012}}</ref>
|-
! Streaming video
| {{yes}}<ref>{{cite web|author=W3C|title=Media Source Extensions|url=http://www.w3.org/TR/media-source/|accessdateaccess-date=August 24, 2015}}</ref>
| {{yes|Supported by IE, Edge, Firefox, Chrome, Safari and Opera.}}<ref>{{cite web|author=Can I Use...|title=Media Source Extensions|url=http://caniuse.com/mediasource|accessdateaccess-date=October 1, 2015}}</ref>
| {{yes|[[Flash Video]], [[H.264]] and partial support for [[MP4]]}}
|-
! Audio formats
| {{depends}}
| {{yes|~94% support of [[MP3]],<ref>{{cite web|url=http://caniuse.com/mp3 |title=Can I use MP3 audio format? |publisher=Caniuse.com |accessdateaccess-date=2016-02-12}}</ref> [[Advanced Audio Coding|AAC]]<ref>{{cite web|url=http://caniuse.com/aac |title=Can I use AAC audio file format? |publisher=Caniuse.com |accessdateaccess-date=2016-02-12}}</ref> and [[WAV]] [[Pulse-code modulation|PCM]]; varying support of [[Ogg]] [[Vorbis]], and [[WebM Project|WebM]] [[Vorbis]] (see [[HTML5 audio]])}}<!-- future: Opus -->
| {{yes|[[MP3]], [[WAV]] and [[Advanced Audio Coding|AAC]] audio files or embedded sound}}
|-
! Fullscreen support
| {{yes}}<ref>{{cite web|author=WHATWG|title=Full Screen API Standard|url=https://fullscreen.spec.whatwg.org|accessdateaccess-date=August 24, 2015}}</ref>
| {{yes|Supported on all major desktop browsers, with warning displayed.<ref>{{cite web|author=Can I Use...|title=Full Screen API|url=http://caniuse.com/#feat=fullscreen|accessdateaccess-date=August 24, 2015}}</ref> Not yet widely supported on mobile}}
| {{yes}}, with warning displayed
|-
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| {{depends}}
| {{yes|Single file upload, and [[drag and drop]] of files onto browser<ref name="caniusefile">{{cite web|url=http://caniuse.com/fileapi|title=Can I use File API|website=caniuse.com}}</ref>}}
| {{yes|Support for single file upload and generation,<ref>{{cite web|url=http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/net/FileReference.html |title=FileReference - Adobe ActionScript 3 (AS3 ) API Reference |publisher=Help.adobe.com |date=2014-05-28 |accessdateaccess-date=2014-06-29}}</ref><br/> AIR only: full create/read/write access to file system<ref>{{cite web|url=http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/filesystem/File.html |title=File - Adobe ActionScript 3 (AS3 ) API Reference |publisher=Help.adobe.com |date=2014-05-28 |accessdateaccess-date=2014-06-29}}</ref>}}
|-
! Bitmap manipulation
| {{depends}}
| {{yes|~95% support for canvas element<ref name="caniusecanvas">{{cite web|url=http://caniuse.com/canvas|title=Can I use the HTML5 canvas element|website=caniuse.com}}</ref>}}
| {{yes}}, via BitmapData class<ref>{{cite web|url=http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/display/BitmapData.html |title=BitmapData - Adobe ActionScript 3 (AS3 ) API Reference |publisher=Help.adobe.com |date=2014-05-28 |accessdateaccess-date=2014-06-29}}</ref>
|-
! Binary manipulation
| {{yes}}
| {{yes}}, via JavaScript Typed Arrays<ref>{{cite web|url=http://caniuse.com/#feat=typedarrays|title=Typed Arrays|author=Can I Use...|accessdateaccess-date=August 24, 2015}}</ref>
| {{yes}}, via ByteArray class<ref>{{cite web|url=http://help.adobe.com/en_US/FlashPlatform/reference/actionscript/3/flash/utils/ByteArray.html |title=ByteArray - Adobe ActionScript 3 (AS3 ) API Reference |publisher=Help.adobe.com |date=2014-05-28 |accessdateaccess-date=2014-06-29}}</ref>
|-
! [[BLOB|Large binary data]]
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! Offline storage
| {{depends}}
| {{yes}}, via [[Web storage]], [[HTTP cookie]], or [[Indexed DB]] to store binary, XML or JSON data<ref>{{cite web|title=localStore|author=Can I Use...|url=http://caniuse.com/#search=localstorage|accessdateaccess-date=August 24, 2015}}</ref>
| {{yes}}, via [[Local Shared Object]]s to store [[Action Message Format|AMF]]-formatted data
|-
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==== Flash ====
 
Originally, web browsers could not render Flash media themselves, and required the [[proprietary software|proprietary]] freeware plugin [[Adobe Flash Player]]. Until 2008, there was no official specification by which to create an alternative player. Alternative players have been developed before 2008, but they support Flash to a lesser degree than the official one.<ref>{{cite web|url=https://www.gnu.org/software/gnash/manual/gnashref.html#runs-on |title=Gnash Reference Manual |publisher=Gnu.org |date=2008-05-18 |accessdateaccess-date=2014-06-29}}</ref> Flash support is built in to [[Google Chrome]],<ref>{{cite web|url=https://chromereleases.googleblog.com/2010/03/dev-channel-update_30.html|title=Integrated Adobe Flash Player Plug-in|url-status=live|archive-url=https://web.archive.org/web/20130131084726/http://googlechromereleases.blogspot.cz/2010/03/dev-channel-update_30.html|archive-date=2013-01-31|work=Chrome team blog}}</ref><ref>{{cite web|url=https://blog.chromium.org/2012/08/the-road-to-safer-more-stable-and.html|title=Porting Flash to sandboxed PPAPI platform|archive-url=https://web.archive.org/web/20180725110647/https://blog.chromium.org/2012/08/the-road-to-safer-more-stable-and.html|archive-date=2018-07-25|work=Official Chromium Blog}}</ref> [[Internet Explorer 10]] (and later),<ref>{{cite web|title=Flash Player issues &#124; Windows 8|url=https://helpx.adobe.com/flash-player/kb/flash-player-issues-windows-8.html|publisher=Adobe Systems|accessdateaccess-date=2016-12-15|archive-url=https://web.archive.org/web/20161220210445/https://helpx.adobe.com/flash-player/kb/flash-player-issues-windows-8.html|archive-date=2016-12-20|url-status=live}}</ref><ref>{{cite web|title=Flash Player Issues &#124; Windows 10 &#124; Internet Explorer|url=https://helpx.adobe.com/flash-player/kb/flash-player-issues-windows-10-ie.html|publisher=Adobe Systems|accessdateaccess-date=2016-12-15|archive-url=https://web.archive.org/web/20161220210544/https://helpx.adobe.com/flash-player/kb/flash-player-issues-windows-10-ie.html|archive-date=2016-12-20|url-status=live}}</ref> and [[Microsoft Edge]].<ref>{{cite web|title=Flash Player issues &#124; Windows 10 &#124; Microsoft Edge|url=https://helpx.adobe.com/flash-player/kb/flash-player-issues-windows-10-edge.html|publisher=Adobe Systems|accessdateaccess-date=2016-12-15|archive-url=https://web.archive.org/web/20161220210517/https://helpx.adobe.com/flash-player/kb/flash-player-issues-windows-10-edge.html|archive-date=2016-12-20|url-status=live}}</ref>
 
The latest version of the Adobe Flash Player runs on [[Microsoft Windows]], Apple [[macOS]], [[Research In Motion|RIM]], [[QNX]] and [[Google TV]].
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Apple never allowed Flash to run on [[iOS]], the operating system which runs on [[iPad]], [[iPhone]], [[iPod Touch]] and [[Apple TV]]. Apple never had plans to do so, even after Adobe announced Flash Player's end-of-life in July 2017.<ref name="thoughtsFlash"/> Apple has officially dropped support for Adobe Flash from the macOS version of Safari 14 released on September 17 2020 for macOS 10.14 Mojave & macOS 10.15 Catalina.
 
In February 2012, Adobe announced it would discontinue development of Flash Player on Linux for all browsers, except Google Chrome, by dropping support for [[NPAPI]] and using only Chrome's [[PPAPI]].<ref name="pcworld-linux-ppapi">{{cite web|last=Noyes |first=Katherine |url=https://www.pcworld.com/article/250455/for_flash_on_linux_chrome_will_be_users_only_choice.html |title=For Flash on Linux, Chrome Will Be Users' Only Choice &#124; PCWorld Business Center |publisher=Pcworld.com |date=April 6, 2012 |accessdateaccess-date=April 10, 2012}}</ref><ref name="slashdot-linux-ppapi">{{cite web |url=http://linux.slashdot.org/story/12/03/31/1417245/adobe-releases-last-linux-version-of-flash-player |title=Adobe Releases Last Linux Version of Flash Player – Slashdot |publisher=Linux.slashdot.org |accessdateaccess-date=April 10, 2012 }}</ref> In August 2016, Adobe announced that, beginning with version 24, it would resume offering of Flash Player for Linux for other browsers.<ref>{{cite web |url=https://blogs.adobe.com/flashplayer/2016/08/beta-news-flash-player-npapi-for-linux.html |work=Adobe AIR and Adobe Flash Player Team Blog |title=Beta News – Flash Player NPAPI for Linux |date=August 31, 2016 |accessdateaccess-date=November 17, 2016 }}</ref> Adobe will stop traditional support for the Flash platform in 2020, both Firefox and Google Chrome are phasing out support of Flash.<ref>https://www.bubbleshooter.net/blog/2019/12/05/the-end-of-flash/</ref>
 
==== HTML5 ====
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| publisher=Adobe Systems
| date=2007-06-27
| quote=You may not use the Specification in any way to create or develop a runtime, client, player, executable or other program that reads or renders SWF files.| accessdateaccess-date=2008-01-05 |archive-url = https://web.archive.org/web/20071222125858/http://www.adobe.com/licensing/developer/fileformat/license/ <!-- Bot retrieved archive --> |archive-date = 2007-12-22
| url=https://www.adobe.com/licensing/developer/fileformat/license/ <!-- Bot retrieved archive -->}}</ref>
 
Line 281:
| url=https://www.adobe.com/aboutadobe/pressroom/pressreleases/200804/050108AdobeOSP.html | publisher=Adobe Systems
| date=2008-05-01
| accessdateaccess-date=2008-05-01}}</ref> However, the "SWF File Format Specification Version 10" allegedly did not contain all the needed information, did not contain much information that hasn't been previously known by the community,<ref name="stillpartlyclosed">{{cite web
|title = Free Flash community reacts to Adobe Open Screen Project
|accessdateaccess-date = 2008-11-29
|archive-url = https://web.archive.org/web/20080928202954/http://www.openmedianow.org/?q=node%2F21
|archive-date = 2008-09-28
|url = http://www.openmedianow.org/?q=node/21
|url-status = dead
}}</ref> and itself could not be copied, printed out in more than one copy, distributed, resold or translated, without written approval of Adobe Systems Incorporated.<ref name="swf10spec">{{cite web | title = SWF File Format Specification Version 10 | url = https://www.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf_file_format_spec_v10.pdf | accessdateaccess-date = 2012-11-13 | archive-url = https://web.archive.org/web/20120131083755/http://www.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf_file_format_spec_v10.pdf | archive-date = 2012-01-31 | url-status = dead }}</ref>
 
Flash is not an [[open standard]]. It is controlled by one firm, [[Adobe Systems]]. In contrast, HTML5 is controlled mostly by a committee, the Web Hypertext Application Technology Working Group ([[WHATWG]]).<ref name="thoughtsFlash">{{cite web
Line 298:
|date=April 2010
|publisher=Apple Inc.
|accessdateaccess-date=May 1, 2010
}}</ref>
 
Various people have praised Flash over the years for rendering consistently across platforms. Constructing sites in Flash is a way to prevent ''code forking,'' whereby different versions of a site are created for different browsers.<ref>{{cite book |author=Ka Wai Cheung and Craig Bryant |title=Flash Application Design Solutions: The Flash Usability Handbook |page= 6 |publisher=Apress |year= 2006 |url= https://books.google.com/?id=49OwlbrMc-oC&pg=PA6&dq=flash+cross+browser|isbn=9781590595947 }}</ref><ref>{{cite book |first=Rob |last=Huddleston |title=Flash Catalyst CS5 Bible |publisher=Wiley |year= 2010 |url=https://books.google.com/?id=crN1zsYwYAYC&pg=PT39&dq=flash+cross+browser|isbn=9780470767948 }}</ref>
 
Speaking at 'Adobe Max' in 2011, Itai Asseo likewise said that, unlike HTML5, Flash offers a way to develop applications that work across platforms. HTML5, he said, is currently implemented differently (if at all) by different browsers. Although the Flash browser plugin is not supported on the Apple iPhone OS, Flash applications can be exported to Adobe AIR, which runs on that operating system as a native application. In the same talk, Mr. Asseo lamented the return to another browser war (as seen in the late 1990s). If Flash falls out of favor, he said, web developers will either have to develop many different versions of their web sites and native applications to take into account different HTML5 implementations, deny access to browsers that do not support their version of HTML, or dramatically reduce the functionality of their sites in order to deliver content to the least-advanced browser.<ref>{{cite web|author=Itai Asseo|title=The Death of Flash|url=http://tv.adobe.com/watch/max-2011-envision/the-death-of-flash/|accessdateaccess-date=November 19, 2011}}</ref>
 
=== Authoring ===
Line 313:
|date=June 2, 2010
|url=http://www.infoworld.com/d/developer-world/html5-vs-flash-the-case-flash-721?page=0,1
|accessdateaccess-date=January 5, 2011
}}</ref> however, many of Adobe's tools are expensive and [[proprietary software]].<ref name=caseFlash/>
 
In 2011 Adobe released a Flash-to-HTML5 conversion tool for existing content<ref>{{cite web|url=http://blogs.adobe.com/jnack/2011/03/wallaby-flash-to-html5-conversion-tool-now-available.html |title=John Nack on Adobe : "Wallaby" Flash-to-HTML5 conversion tool now available |publisher=Blogs.adobe.com |date=2011-03-07 |accessdateaccess-date=2012-06-18}}</ref>
 
Because HTML5 is an open format, tools like those for Flash can be built for it, too. Applications like [[Hype (software)|Hype]]<ref>{{cite web|url=http://tumultco.com/hype/features/ |title=Hype Features |publisher=Tumultco.com |accessdateaccess-date=2014-06-29}}</ref> and [[Adobe Edge]] are already on the market.
 
=== Performance ===
Line 331:
|date=December 1, 2010
|publisher=[[Lifehacker]]
|url=http://lifehacker.com/5702983/adobe-releases-flash-102-beta-reduces-cpu-usage-during-video-playback |accessdateaccess-date=December 27, 2010
}}</ref>{{Unreliable source?|date=January 2011}} The use of the newer [[ActionScript]] 3.0 inside Flash movies instead of the older ActionScript 2.0 improves code execution speed by a factor of around 10.<ref>{{cite web
|title=ActionScript 3.0 overview
Line 353:
Flash includes [[digital rights management|DRM]] support. The main HTML 5 standard does not include any [[digital rights management]] functionality directly, instead the [[Encrypted Media Extensions]] (EME) specification describes a communication channel between web browsers and digital rights management (DRM) agent software. The EME is not a complete DRM implementation, but just a specification for how the DRM implementations might operate.
 
Historically, before EME introduction implementations could support DRM, for example in [[codec]]s.<ref>{{cite web|url=http://www.w3.org/html/wiki/FAQs#Is_there_support_for_digital_rights_management_.28DRM.29_in_HTML5_video.3F |title=FAQs - HTML Wiki |publisher=W3.org |date=2011-02-22 |accessdateaccess-date=2012-06-18}}</ref> The proposal to add DRM features to HTML5 itself has been criticized by those who consider openness and vendor-neutrality (both server- and client-side) one of the most important properties of HTML, because DRM is incompatible with [[free software]],<ref>{{cite web
|url = https://www.theguardian.com/technology/blog/2013/mar/12/tim-berners-lee-drm-cory-doctorow
|title = What I wish Tim Berners-Lee understood about DRM
Line 359:
|work = Technology blog at [[The Guardian|guardian.co.uk]]
|date = 2013-03-12
|accessdateaccess-date = 2013-03-20
|author-link = Cory Doctorow
}}</ref><ref>{{cite web
Line 367:
|work = Open Enterprise blog at [[Computerworld|ComputerworldUK.com]]
|date = 2013-02-13
|accessdateaccess-date = 2013-03-20
|archive-url = https://web.archive.org/web/20130317050344/http://blogs.computerworlduk.com/open-enterprise/2013/02/bbc-attacks-the-open-web-gnulinux-in-danger/index.htm
|archive-date = 2013-03-17
Line 379:
|publisher = Condé Nast
|date = 2013-02-12
|accessdateaccess-date = 2013-03-21
|archive-url = https://www.webcitation.org/6FfDz0RS8?url=http://www.webmonkey.com/2013/02/drm-for-the-web-say-it-aint-so/
|archive-date = 2013-04-06
Line 389:
|publisher = [[Free Software Foundation]]
|date = March 2013
|accessdateaccess-date = 2013-03-25
|archive-url = https://web.archive.org/web/20130324133748/http://www.defectivebydesign.org/no-drm-in-html5
|archive-date = 2013-03-24
Line 396:
 
=== Accessibility ===
Both Flash and HTML text can be read by screen readers. However, special care must be taken to ensure Flash movies are read correctly. For example, if a Flash movie is set to repeat indefinitely, this can cause a screen reader to repeat the content endlessly. Selecting the "Make object accessible" check box in Adobe Flash Professional will create a text-only version of the object for screen readers. It will also hide any motion from the screen reader.<ref>{{cite web|url=https://www.adobe.com/accessibility/products/flash/animation.html|title=Adobe Flash accessibility design guidelines|publisher=Adobe Systems|accessdateaccess-date=May 21, 2011}}</ref> Since Flash content is usually placed on a single webpage, it appears as a single entry in search engine result pages, unless techniques like [[deep linking]] are used with libraries like [[SWFAddress]] to provide multiple links within Flash websites and web applications. [[graphical user interface|User interface widgets]] in Flash objects don't always behave like their host native counterparts. Keyboard, mouse and other accessibility shortcuts may not work unless the webpage developer explicitly adds support for it.
 
=== Search engines ===
 
Both Flash content and HTML content can be indexed by Google, Yahoo!, and Bing, although bi-directional text (e.g. [[Arabic]], [[Hebrew]]) is not supported by Google.<ref>{{cite web|url=http://www.google.com/support/webmasters/bin/answer.py?answer=72746#1|title=Flash and other rich media files|accessdateaccess-date=May 21, 2011}}</ref><ref>{{cite web|url=https://arstechnica.com/old/content/2008/07/google-yahoo-spiders-can-now-crawl-through-flash-sites.ars|title=Google, Yahoo spiders can now crawl through Flash sites|work=Ars Technica|accessdateaccess-date=May 21, 2011}}</ref> Yahoo! added support for indexing Flash sites in 2008, although Google had been able to index them for several years before that. Bing added support for Flash sites in 2010.
 
=== iOS devices ===
Line 413:
|publisher=[[CNET]]
|url=http://news.cnet.com/8301-30685_3-20003739-264.html
|accessdateaccess-date=November 13, 2011
}}</ref> Flash applications can be packaged as native iOS applications via the [[Adobe Integrated Runtime]] and the iOS Packager.<ref>{{cite web|url=http://labs.adobe.com/downloads/packagerforiphone.html |title=Adobe AIR &#124; Adobe AIR 3 &#124; Deploy applications |publisher=Labs.adobe.com |accessdateaccess-date=2012-06-18}}</ref>
 
== See also ==
Retrieved from "https://en.wikipedia.org/wiki/Comparison_of_HTML5_and_Flash"