Linked by Thom Holwerda on Tue 24th Mar 2009 23:26 UTC, submitted by inkslinger
Internet Explorer Recently, Microsoft released Internet Explorer 8, which boasted much better standards compliance than previous iterations of the browser. While it passed the Acid2 test, IE8 failed miserably in the Acid3 test, and many people criticised Microsoft for it. Microsoft Australia's Nick Hodge has stated that Microsoft purposefully decided not to support Acid3, because the test tests against draft standards.
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RE[2]: He should be...
by lemur2 on Wed 25th Mar 2009 02:21 UTC in reply to "RE: He should be..."
lemur2
Member since:
2007-02-17

Actually.. I'd have to agree with Microsoft at this point. Its entirely valid.


No, it isn't. Not valid at all. I'll explain why in a bit.

Not everything MS does is right, but they best be cautious. ACID3 is more of a marketing tool. Browsers like to make a lot of noise that they support it, but the reality is, only a few tests in ACID3 are valid (like the performance tests).


Where did you get this from? Acid3 test compliance with recommended standards. Not with draft standards ... recommended standards.

What happens if the standards change? Even ACID3 will be broken then. We shouldn't encourage websites to be developed using standards which aren't set in stone, especially when there is no good reason to.


You mis-understand. Let me give you an example or two.

DOM level 1 ... all browsers comply with this.

DOM level 2 ... doesn't break DOM level 1, but rather adds to it. Webkit (Safari and Chrome) and gecko (Firefox) both comply with DOM level 1 and DOM level 2, whereas IE8 doesn't comply with DOM level 2. DOM level 2 isn't draft ... it became the recommended standard in 2000. Acid3 tests for compliance (amongst other things) with DOM level 2.

DOM level 3 might still be draft ... and AFAIK no browsers implement DOM to that level yet ... but Acid3 doesn't test for it and when it is implemented it won't break DOM level 2.

Similarly for SVG. SVG 1.0 is quite old now, Acid3 looks for compliance for SVG 1.1 (which doesn't break SVG 1.0), and the draft in-development SVG is 1.2 (which doesn't break SVG 1.0 or SVG 1.1).

There was a good reason to break standards with 802.11n (it offered genuine benefits, and the process was moving much too slow). In this case, I'd rather Microsoft spends their time optimising IE, so that IE9's performance is finally at par, instead of WAYYY below.


Only IE breaks these standards ... by not implementing them. Other browsers all comply to a very good level.

IE8 doesn't have a JIT Javascript compiler, so its performance is still WAYYY below par (as set by Safari, Firefox, Opera and Chrome).

Edited 2009-03-25 02:28 UTC

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