Comparison of layout engines (XHTML)

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The following tables compare XHTML compatibility and support for a number of layout engines. Please see the individual products' articles for further information. Unless otherwise specified in footnotes, comparisons are based on the stable versions without any add-ons, extensions or external programs.

Only XHTML 1.1 is considered. XHTML 1.1 is necessarily XHTML 1.0 Strict with more elements and attributes deprecated. XHTML 2.0 was a working draft with no layout engine support, but work on it was abandoned[1] in 2009 in favor of work on HTML5 and XHTML5. XHTML 1.0 and HTML 4 (both served with text/html) are covered in comparison of layout engines (HTML). The comparison of XML capabilities are covered in comparison of layout engines (XML).

Version number, if possible, is provided for feature that is fully supported. Proprietary extensions are not included.

Explanation of the tables[edit]

Engine nomenclature[edit]

Rather than the names of web browsers, the names of the underlying engines are used. The browsers that use the various engines are listed below.

Layout engine Release version Preview version Used by
Amaya 11.4.7[2] N/A No longer developed; Amaya
Blink 537.36 source code[note 1] Chromium/Chrome (28+), Opera (15+) and Yandex
Gecko

33.1.1 (November 14, 2014; 14 days ago (2014-11-14)[3]) [±]
ESR 31.2.0 (October 14, 2014; 45 days ago (2014-10-14)[4]) [±]

Beta

34.0 Beta 11 (November 21, 2014; 7 days ago (2014-11-21)[5][6]) [±]

Developer Edition

35.0a2 (November 10, 2014; 18 days ago (2014-11-10)[7]) [±] daily release

Nightly

36.0a1 (October 14, 2014; 45 days ago (2014-10-14)[8]) [±] daily release

All Mozilla software, including Firefox; SeaMonkey and Galeon; Camino; K-Meleon; Flock (up to 2.x); Debian IceWeasel; GNU IceCat (formerly GNU IceWeasel); Icedove, Iceape and Iceowl; Fennec. Also used by the Maple platform in 2010 and 2011 Samsung "SmartTV" devices which are based on the build used in Firefox 3.0.[citation needed] Nokia Asha platform is also using Gecko for web apps rendering.
KHTML 4.12.3[9] N/A Konqueror[note 2]
Presto 2.12.388 N/A No longer developed; Opera and Opera Mobile use Blink now; Nintendo DS & DSi Browser; Internet Channel
Tasman (IE 5.2.3 for Mac) N/A No longer developed (aborted in 2003); Internet Explorer 5+ for Mac OS X
Trident 7.0 (IE 11) N/A Internet Explorer and other Internet Explorer shells like Maxthon (Microsoft Windows operating systems only), Windows Phone 8
WebKit 534.20 nightly build[note 3] Tizen (both OS and browser), Safari (both desktop and mobile), Google Chrome (before 28), Maxthon 3, Shiira, iCab 4, OmniWeb 5.5+, Web, Adobe AIR, Midori, Adobe Dreamweaver CS4 and CS5, Android browser, Palm webOS browser, Symbian S60 browser, OWB, Steam, Rekonq, Arora, Flock (version 3+), RockMelt, Dolphin Browser, Sleipnir, Konqueror[note 2]. Used by the LG Smart TV platform to enable web content on TVs.
  1. ^ "chromium / chromium/blink". chromium.googlesource.com. Google. Retrieved 2014-05-27. 
  2. ^ a b In Konqueror, the user can switch the used layout engine.
  3. ^ "WebKit Nightly Builds". webkit.org. Retrieved 2014-05-27. 


Values[edit]

Values indicate the level of support in the most recent version of the layout engine, or (if a version number is given) in the specified version. Version numbers without any other value indicate the version at which the layout engine first fully supported the feature.

Value Meaning
Yes Indicates that the layout engine fully supports this property/element when valid values are used.
No Indicates that the property/element is completely ignored.
Partial Indicates that the property/element is understood, but that not all values are supported. Supported values are implemented correctly.
Incorrect Indicates that the property/element is understood, but that it is not implemented correctly in all cases.
Experimental Indicates that the property/element is understood, but supported under an alternate name. May be incomplete or buggy.
Dropped Indicates that the property/element is no longer supported.
Nightly build Indicates that the property/element is supported to some extent in an experimental/nightly build. Future support is expected.
Depends Indicates that the property/element is supported only on certain platforms, or if certain settings are configured.

Media types[edit]

The responses when a well-formatted XHTML document is served with different media types. Note that only application/xhtml+xml is the recommended media type.

Internet media type Trident Tasman Gecko WebKit KHTML Presto Prince XML
application/atom+xml  ?  ?  ?  ?  ? 8.00 beta 2[o 1][o 2]  ?
application/mathml+xml No No 2.0[g 1] No No 9.50 beta 2[o 3]  ?
application/rss+xml  ?  ?  ?  ?  ? 7.50 beta 1[o 4][o 5]  ?
application/xhtml+xml XHTML 5.0 Prompt for download XHTML XHTML
125
HTML XHTML
1.0
 ?
application/xml XHTML 5.0 Crash XHTML XHTML
125
XML XHTML
1.0
 ?
application/xslt+xml  ?  ?  ?  ?  ? 9.00 beta 1[o 6]  ?
image/svg+xml  ?  ? 1.0[g 2]  ?  ? 9.50[o 7][o 8]  ?
text/xml XHTML 5.0 Crash XHTML XHTML
125
XML XHTML
1.0
 ?
text/html HTML HTML HTML HTML HTML HTML  ?

KHTML media type notes[edit]

  1. application/xhtml+xml — KHTML supports this media type, but processes the document as HTML.
  2. application/xml, text/xml — HTML entities and custom entities defined by custom DTD are not recognized.

Combined profiles[edit]

Extending XHTML by combining with other applications of XML (not referring using img/object element).

Trident Tasman Gecko WebKit KHTML Presto Prince XML
MathML No No 1.0 No[w 1] No 2.1 6.0
SVG 5.0 1.8 522 3.2 1.0 5.1
XForms No No[g 3] No[w 2] No No  ?
VoiceXML No No 1.0 No

References[edit]

Gecko references[edit]

Opera references[edit]

  1. ^ Feature History, Opera 
  2. ^ "Opera Features". RSS/Atom. Archived from the original on May 9, 2005. 
  3. ^ Feature History, Opera 
  4. ^ Feature History, Opera 
  5. ^ "Opera Features". RSS. Archived from the original on August 2, 2004. 
  6. ^ Feature History, Opera 
  7. ^ Feature History, Opera 
  8. ^ "Opera Features". SVG. Archived from the original on April 14, 2005. Retrieved May 1, 2005. 

WebKit references[edit]

Other references[edit]

  1. ^ "W3C XHTML FAQ". 
  2. ^ Amaya Binary Releases, Most recent download link in stable
  3. ^ "Firefox — Notes (33.1.1) — Mozilla". mozilla.org. 2014-11-14. Retrieved 2014-11-14. 
  4. ^ "Firefox — Notes (31.2.0) — Mozilla". mozilla.org. 2014-10-14. Retrieved 2014-10-14. 
  5. ^ "Firefox — Beta Notes (34.0beta) — Mozilla". 2014-10-16. Retrieved 2014-10-21. 
  6. ^ "Mozilla Firefox Web Browser — Download Firefox Beta in your language — Mozilla". Retrieved 2014-11-22. 
  7. ^ "Firefox — Aurora Notes (35.0a2) — Mozilla". 2014-11-10. Retrieved 2014-11-12. 
  8. ^ "RapidRelease/Calendar - MozillaWiki". Retrieved 2014-10-15. 
  9. ^ Download for kdelibs, Most recent download link in stable
  • "W3C". XHTML media type test. Retrieved May 1, 2005. 
  • "Developer's corner". Authoring XHTML+Voice. Retrieved May 1, 2005.