Comparison of layout engines (web typography)

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Lua error in package.lua at line 80: module 'strict' not found.

The following tables compare support for different font formats and support for CSS3 font resources for a number of layout engines. Web fonts were initially defined (but later dropped) from CSS2, then added into CSS3. The specification is supported by an increasing number of web browsers.[1][2]

Explanation of the tables

Engine nomenclature

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[3] N/A No longer developed; Amaya
Blink 537.36 source code[note 1] Chromium/Chrome (28+), Opera (15+), Yandex, Liebao and Samsung Browser[citation needed].
EdgeHTML 13.10586 [4] N/A Microsoft Edge, Universal Windows Platform (UWP) JavaScript apps
Gecko 43.0.4 (January 6, 2016; 8 years ago (2016-01-06)[5]) [±]
ESR

38.5.2 (December 22, 2015; 8 years ago (2015-12-22)[6]) [±]
Beta

44.0 Beta 8 (January 12, 2016; 8 years ago (2016-01-12)[7][8]) [±]

Developer Edition

45.0a2 (December 18, 2015; 8 years ago (2015-12-18)[9]) [±] daily release

Nightly

46.0a1 (December 14, 2015; 8 years ago (2015-12-14)[10]) [±] 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); Cyberfox; Icedove, Iceape and Iceowl; Firefox for mobile ("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[11] 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. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 In Konqueror, the user can switch the used layout engine.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.


Values

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.

Support for CSS font resources

<templatestyles src="Module:Hatnote/styles.css"></templatestyles>

Main article: Comparison of layout engines (Cascading Style Sheets)

CSS3 specified a mechanism for downloading and displaying fonts within a web page.[spec 1] This table compare support for that mechanism. Note that Embedded OpenType (EOT)[spec 2] font download does not bring in the entire OpenType font and therefore, the most prominent feature of Open Type, ligature support, does not come with EOT. Trident before version 5.0 supports only EOT. EOT is not sufficient for smartfonts that rely on ligatures.

Trident[t 1] Gecko[g 1] WebKit[w 1] Presto[p 1][p 2]
Grammar and rules
CSS3 @font-face <3.1[IE 4.0] 1.9.1 525[note 1] 2.2
Descriptors
CSS3 font-family <3.1[IE 4.0] 1.9.1 525 2.2
src Partial[note 2]
font-style <3.1[IE 4.0]
font-weight
font-stretch 5.0[t 3] 9.0[g 2] No[w 6] No
unicode-range Experimental[g 3] Partial[note 3]
font-variant No 24.0[g 4] No No
font-feature-settings 6.0[t 4] Experimental[g 5]

Support in HTML and XML documents

This table compares support for font formats applied with the @font-face rule in HTML and XML documents.

Format Trident Gecko WebKit Presto
Embedded OpenType (EOT)[spec 2] <3.1[IE 4.0] No[g 6] No[w 8] No
TrueType (TTF)[spec 3] 5.0[t 3] 1.9.1 525 2.2
OpenType (OTF)[spec 4]
Scalable Vector Graphics (SVG)[spec 5] No No[g 7]
Web Open Font Format (WOFF)[spec 6][spec 7] 5.0[t 5] 1.9.2 533[w 9][w 10][w 11] 2.7

Support in SVG documents

This table compares support for font formats applied with the @font-face rule in SVG documents.

Format Trident Gecko[g 8] WebKit Presto
Embedded OpenType (EOT)[spec 2] No No[g 6] No[w 8] No
TrueType (TTF)[spec 3] Yes Yes 2.2
OpenType (OTF)[spec 4] 18.0 No
Scalable Vector Graphics (SVG)[spec 5] No[g 7] 525
Web Open Font Format (WOFF)[spec 6][spec 7] No No[w 9] 2.7.81

Smart font features support

Format Trident Gecko WebKit Presto
OpenType liga ligatures[spec 8] No 2.0 Partial[w 12] No
OpenType rlig ligatures[spec 9] No
ZWNJ and ZWJ (Unicode characters used for ligature control) Yes Yes No[p 3]

See also

Notes

  1. ↑ Prior to version 4.0, Google Chrome had font support disabled.[w 2][w 3][w 4][w 5]
  2. ↑ Doesn't understand the format() or local() identifiers.[t 2]
  3. ↑ Doesn't understand multiple, comma-separated ranges.[w 7]

References

Specifications
  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ 2.0 2.1 2.2 Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ 4.0 4.1 Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
Trident references
  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ 3.0 3.1 Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
Gecko references
  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ 6.0 6.1 Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
WebKit references
  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  4. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ 8.0 8.1 Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ 9.0 9.1 Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  12. ↑ On Safari, ligatures may be switched on with the CSS setting text-rendering, but then, they are used indiscriminately even when letter-spacing is increased (see Fraktur letterspacing); on Google Chrome, ligatures do not work.
Presto references
  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ When letter-spacing is increased, these characters are spacing.
Other references
  1. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  2. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  3. ↑ Amaya Binary Releases, Most recent download link in stable
  4. ↑ Change log between EdgeHTML 12.10240 and 13.10586
  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  11. ↑ Download for kdelibs, Most recent download link in stable
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