Compatibility/Mobile

Mobile Web Compatibility

With Mozilla's mobile offerings (Firefox for Android and Firefox OS), Mozilla controls only part of the user experience – delivering the products. The other part of the user experience is controlled by the mobile Web content that is available. The current state of the mobile Web is not one of standards compliance but one of user agent (UA) sniffing and Webkit specific functionality. We need to open up the mobile Web to other rendering engines like Gecko, Presto, and Trident.

There are 4 key problem areas that must be addressed:

1. user agent (UA) detection
2. Webkit prefixed CSS
3. Webkit specific DOM/JS/content
4. Gecko limitations

Goal

The vague goal for this project is to open up the mobile Web to non Webkit based browsers.

A specific project goal is being defined by the market insights, product, and project management teams.

Scope

In scope

• Any site with a mobile version
• Any locale

Out of scope

• Site enhancements
• Trivial site layout or functional bugs
• Firefox Marketplace app testing

Projects

Wipe Out User Agent (UA) Overrides

This goal of this project is to drive the B2G UA override list to zero.

90% Mobile Compatibility for the Alexa Top 1000 Sites

To achieve 90% compatibility in terms of mobile content sent to Firefox for Android and Firefox OS by the Alexa top 1000 global sites.

Evangelism

Gecko improvements

Webkit CSS/DOM/JS property aliasing

Spade

Spade is an automated tool that will provide guidance as the the scope of the mobile Web problem.

Communication

Communication Type	Mechanism	Audience
Announcements	compatibility and dev-planning lists	all
General discussion	compatibility list	all
Meetings	Alternate Mondays 1pm PT Dial-in: Audio-only conference# 98585 People with Mozilla phones or softphones please dial x4000 Conf# 98585 US/Toll-free: +1 800 707 2533, (pin 4000) Conf# 98585 US/California/Mountain View: +1 650 903 0800, x4000 Conf# 98585 US/California/San Francisco: +1 415 762 5700, x4000 Conf# 98585 US/Oregon/Portland: +1 971 544 8000, x4000 Conf# 98585 CA/British Columbia/Vancouver: +1 778 785 1540, x4000 Conf# 98585 CA/Ontario/Toronto: +1 416 848 3114, x4000 Conf# 98585 UK/London: +44 (0)207 855 3000, x4000 Conf# 98585 FR/Paris: +33 1 84 88 37 37, x4000 Conf# 98585 Gmail Chat (requires Flash and the Google Talk plugin): paste +1 650 903 0800 into the Gmail Chat box that doesn't look like it accepts phone numbers SkypeOut is free if you use the 800 number Vidyo: ProgramManagement IRC: #planning Agenda: sent to compatibility list before meeting	all
Meeting summaries	this wiki and Lawrence Mandel's blog	all
Evangelism status	arewecompatibleyet.com report	all

Press & Blog Posts

• Mar 1, 2013 - Lawrence Mandel: Help Wanted: Firefox OS UA Detection
• Oct 30, 2012 - Website Evangelism: Mobilizing Mozilla (Gerv Markham)

Minutes and Progress Reports

2013

Monday, June 10, 2013 - Minutes Monday, June 3, 2013 - Minutes Monday, May 27, 2013 - Cancelled due to Memorial Day Monday, May 20, 2013 - Cancelled due to Victoria Day Monday, May 13, 2013 - Minutes Monday, May 6, 2013 - Minutes Monday, April 29, 2013 - Minutes Monday, April 22, 2013 - Minutes Monday, April 15, 2013 - Meeting cancelled due to availability Monday, April 8, 2013 - Minutes Monday, April 1, 2013 - Minutes Monday, March 25, 2013 - Minutes Monday, March 18, 2013 - Minutes Monday, March 11, 2013 - Minutes Monday, March 4, 2013 - Minutes Monday, February 25, 2013 - Minutes Thursday, February 14, 2013 - Minutes Thursday, February 7, 2013 - Minutes Thursday, January 31, 2013 - Minutes Thursday, January 24, 2013 - Meeting cancelled due to availability Thursday, January 17, 2013 - Minutes Thursday, January 10, 2013 - Meeting cancelled due to B2G work week Thursday, January 3, 2013 - Meeting cancelled for holidays

2012

Thursday, December 27, 2012 - Meeting cancelled for holidays Thursday, December 20, 2012 - Minutes Thursday, December 13, 2012 - Meeting cancelled due to availability to regular participants Thursday, December 6, 2012 - Minutes Thursday, November 29, 2012 - Minutes Thursday, November 22, 2012 - Meeting cancelled for US Thanksgiving Thursday, November 15, 2012 - Minutes Thursday, November 8, 2012 - Status (meeting cancelled), Blog – Video update, UA detection tools, Phony for B2G? Thursday, November 1, 2012 - Minutes Monday, October 22, 2012 - Video update (at 4:00)

People

Project Champion
Program Management	Lawrence Mandel
Engineering	Brad Lassey
Product Management	Vishy Krishnamoorthy
Incoming Bug Triage	Jason Smith, Aaron Train
QA	Tony Chung, Jason Smith, Aaron Train
Market Insight	John Jensen
Dev Engagement	Jean-Yves Perrier, Ali Spivak

References

• Firefox goes 2-digit, time to check your UA sniffing scripts
• Vendor Prefixes Are Hurting the Web
• DOM properties that pose potential compat issues
  • IE srcelement bug 453968
• Gecko CSS vendo-prefix Compatibility
• Analysis of the use of vendor-specific CSS property prefixes on the web bug 708406
• Google Web fonts
• Gecko user agent string reference
• Changing the UA string
• Fennec User Agent
• Writing forward-compatible websites
• Site Evangelism Letters from previous evangelism effort
• Site feedback from input.mozilla.org
• Add device info to User-Agent bug 625238
• CoreMob (www.coremob.org): Mobile Web App Profile (from W3C)
• Firefox bug-a-thon
• QuirksMode JavaScript library poll results
• Vladimir Vukićević: Using a Caching Proxy Server for Web Demos
• bug 666041 CSS Flexbox Layout Level 3
• Web Compat job descriptions etherpad