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The Web Standards Project’s Acid3 Test

Acid3 is one test some people use to measure a Web browser platform's compliance with some Web standards.

Here’s how the first release of Internet Explorer Platform Preview scores:

Acid 3 Score

These are the first Internet Explorer Platform Preview’s current detailed results (hold the shift key and click the letter A in Acid3 on the test results page):

Failed 45 of 100 tests. Test 00 failed: expected 'pre-wrap' but got 'normal' - found unexpected computed style Test 01 failed: Object expected Test 02 failed: Object expected Test 03 failed: Object expected Test 04 failed: Object expected Test 05 failed: Object expected Test 06 failed: Object expected Test 08 failed: Object expected Test 10 failed: expected 'result' but got '' - toString() didn't work for attribute node Test 11 failed: when inserting <a> into Document with another child: no exception raised Test 15 failed: privilege escalation security bug: text file ran script Test 16 failed: Unexpected call to method or property access. Test 17 failed: hasAttribute failure for 'method' on form Test 18 failed: expected '10' but got '8' - DOCTYPE nodeType wrong Test 19 failed: expected '11' but got 'undefined' - document DOCUMENT_FRAGMENT_NODE constant missing or wrong Test 20 failed: null in getElementById() probably terminated string Test 22 failed: no exception for createElement('<div>') Test 23 failed: expected '5' but got 'undefined' - wrong exception for createElementNS('null', '<div>') Test 25 failed: exceptions don't have all the constants Test 26 failed: Object expected Test 27 failed: Object expected Test 29 failed: expected '2' but got '1' - cloned table had wrong number of children Test 33 failed: expected '1' but got '0' - failure 7 Test 38 failed: Object expected Test 46 failed: expected 'uppercase' but got 'none' - case a failed (index 1) Test 47 failed: expected 'auto' but got 'bogus' - control failed Test 54 failed: expected 'HIDDEN' but got 'hidden' - input control's type content attribute was wrong Test 60 failed: attribute not specified after removal Test 64 failed: expected '1' but got '0' - object is missing its only child Test 67 failed: when calling removeNamedItemNS in a non existent attribute: wrong exception raised Test 69 failed: timeout -- could be a networking issue Test 71 failed: Object expected Test 74 failed: getSVGDocument missing on <iframe> element. Test 75 failed: expected '1' but got 'undefined' - Incorrect SVGLength.SVG_LENGTHTYPE_NUMBER constant value. Test 76 failed: expected '0' but got '100' - Incorrect animVal value after svg animation. Test 77 failed: SVGTextContentElement.getNumberOfChars() not supported. Test 78 failed: Object expected Test 79 failed: Object expected Test 80 failed: Script in XHTML didn't execute Test 89 failed: orphaned bracket not considered parse error in regular expression literal Test 90 failed: /(\3)(\1)(a)/ failed to match 'cat' Test 93 failed: expected '1' but got '2' - semantics of FunctionExpression: function Identifier ... not followed Test 94 failed: expected 'pass' but got 'failing' - outer scope poisoned by exception catch{} block Test 97 failed: expected 'one' but got 'fail' - data: failed as escaped Test 98 failed: Object expected Total elapsed time: 8.43s

Click to run the Acid3 test right now in an iframe below. (There’s a pause when the score gets to 39 but the test will continue after a few seconds.)

Run the Acid3 test in your default browser.

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