Web Browser Grand Prix

Tom's Hardware Guide publishes a ~semiannual browser review called the "Web Browser Grand Prix" (WBGP). Mozilla would like to invest more time optimizing for the Grand Prix's high-profile benchmarks:

1. Browsermark (Chrome)
2. Peacekeeper (Chrome)

WBGP also includes:

• SunSpider (IE10, but SunSpider results not counted in overall scoring)
• Purdue's JSBench (Chrome)
• RIABench JavaScript (Chrome)
• Dromaeo (Firefox)
• WebXPRT 2013 (Firefox)
• Impact HTML5 (IE10)
• KaizouMark CSS (Chrome)
• CanvasMark (Chrome)
• WebVizBench (IE10)
• Scirra WebGL 2D (Opera)
• LUIC WebGL 3D (Firefox)
• Facebook's JSGameBench (Firefox)
• EEMBC BrowsingBench
• BrowserScope Security test

Contacts

• Engineering Manager: Naveed Ihsanullah
• Developers:
  • Jan De Mooij
  • Hannes Verschore
  • Boris Zbarsky
• PM: Chris Peterson

Bugs

• WBGP meta-bug 933949: dependency tree
• Browsermark bugs
• Peacekeeper bugs
• Google tracks its Grand Prix benchmarks in Chrome meta-bug 258103.

Full Query

ID	Summary	Whiteboard	Assigned to
499198	[meta]Tracking performance on Peacekeeper benchmark			No _
592786	Peacekeeper test arraySplice 37 times slower in Firefox compared to Chrome			No _
608648	Changing div backgroundColor is slow compared to Chrome (Peacekeeper grid tests)			No _
609835	Array functions are slower than Chrome (Peacekeeper arrayCombined test)			No _
626165	Patch for bug 609212 doesn't entirely fix the "profiling makes us slower" thing			No _
652780	[meta] Test262 Issues	sm-meta-retriage-2025		No _
807159	[meta] IonMonkey: Fix Octane benchmark performance			No _
851699	[meta] Investigate performance on Browsermark			No _
880214	Allow one level deep ropes when creating a DependendString			No _
1085523	Improve syntax parsing performance			No _
1105337	Browsermark "Graphics Canvas" test much slower than Chrome and Safari			No _
1105348	Browsermark "Graphics SVG" test slower than Chrome and Safari			No _

12 Total; 12 Open (100%); 0 Resolved (0%); 0 Verified (0%);

Results

Date	Chrome	Firefox	IE	Opera
June 2014?	Chrome 32-33?	Firefox 31-32?	IE 11?	Opera 23-24?
March 2014?	Chrome 31-32?	Firefox 27-28?	IE 11?	Opera 19-20?
June 2013	Chrome 27	Firefox 22	IE 10	Opera 15
March 2013	Chrome 25	Firefox 19	IE 10	Opera 12.14
September 2012	Chrome 20	Firefox 15	IE 9	Opera 12.02
July 2012	Chrome 20	Firefox 13	IE 9	Opera 11.62
April 2012	Chrome 18	Firefox 11	IE 9	Opera 11.61
February 2012	Chrome 17	Firefox 10	IE 9	Opera 11.61
January 2012	Chrome 16	Firefox 9	IE 9	Opera 11.60
September 2011	Chrome 14	Firefox 7	IE 9	Opera 11.51
August 2011	Chrome 13	Firefox 6	IE 9	Opera 11.50
July 2011	Chrome 12	Firefox 5	IE 9	Opera 11.50
April 2011	Chrome 10	Firefox 4	IE 9	Opera 11.01
March 2011	Chrome 10	Firefox 3.6	IE 9	Opera 11.01
July 2010	Chrome 5	Firefox 3.6	IE 9	Opera 10.60
March 2010	Chrome 4	Firefox 3.6	IE 8	Opera 10.50