Web Compatibility Test for Mobile Browsers
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Web Compatibility Test for Mobile Browsers, often called the Mobile Acid test,[1] despite not being a true Acid test,[2] is a test page published and promoted by the World Wide Web Consortium (W3C) to expose web page rendering flaws in mobile web browsers and other applications that render HTML.[3] It was developed in the spirit of the Acid test by the Web Standards Project to test the relevant parts that a mobile browser needs to support. The browser has to accomplish 16 different subtests indicated by a 4 x 4 image of green or red squares.
Revision 1.23 of the Web Compatibility Test for Mobile Browsers on Safari for iOS 2 | |
Type of site | Web standards test |
|---|---|
| Available in | English |
| Owner | The World Wide Web Consortium |
| Created by | Dominique Hazael-Massieux, Wilhelm Joys Andersen, Kai Hendry |
| URL | www.w3.org/2008/06/mobile-test/ |
| Commercial | no |
| Registration | none |
| Launched | 16 April 2008 |
| Current status | online |
Web Compatibility Test for Mobile Browsers – Version 2
A second version of the Web Compatibility Test for Mobile Browsers was released in January 2010, this time testing HTML5 elements.[4] The second test does not have an official explanation page, only a direct link to the test is available.
Overview of standards tested
The mobile Acid test tests a variety of web standards published by the World Wide Web Consortium and the Internet Engineering Task Force. Specifically, the mobile Acid test tests:[5]
- CSS2 min-width
- Transparent PNG
- gzip support
- HTTPS
- Cookies support
- iframe including of XHTML-served-as-XML content
- XMLHttpRequest
- Static SVG (gzipped)
- CSS Media Queries
- JavaScript framework
- Dynamic SVG
- IRIs and IDN
- DOM 'mutation' events
- The canvas element
- contenteditable
- CSS3 selectors
The second version of the test tests the following elements:[6]
- XmlHttpRequest
- <canvas>
- contenteditable
- Geolocation
- <input type='date'>
- Appcache
- <video>
- <audio>
- Web Workers
- localStorage
- sessionStorage
- @font-face
Passing Conditions
A green square indicates that the browser fully supports its assigned feature. A square colored red or a different color indicates that the feature is not fully supported.[7] The second test shows a percentage bar indicating the percent of elements supported.[6]
Results
Due to the wide variety of web engines used at the time for mobile browsers, results varied between browsers used.[8] Safari on iOS 3 received a 15/16 score on the first test and the Palm Pre web browser scored a 13/16 in revision 1.47 of the first test.[9] In 2010, Firefox Mobile for Android scored a 75% while Safari scored a 67%.[4] By 2012, versions of Chrome, Safari, and Firefox had scores of 80% or over on the second test. The most common failure on the second test was <input type='date'>, with a 61.45% failure rate.[10]
See also
References
External links
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