Opera Browser - Passes Acid3 Web Standards test

Posted Friday, March 28, 2008 6:46 PM by hwaldron

The Acid tests are used to gauge how well browsers comply with the Web Standards Project. An internal build of the Opera browser appears to have passed all Acid3 tests, scoring 100/100.  These tests are highly complex CSS, JS, DOM, and XML tests that are based on the Web Standards Project. A flaw was found in the Acid3 testing methodology itself, lowering the score to 99/100.  Still, Opera came in close enough to be fully compliant soon.

Opera Browser - Passes Acid3 Web Standards test

QUOTE: The Opera browser today became the first browser to pass the Acid3 test. On the Opera desktop team blog, Lars Erik Bolstad writes: I have a quick update on where we are with Acid3. Since the test was officially announced recently, our Core developers have been hard at work fixing bugs and adding the missing standards support. Today we reached a 100% pass rate for the first time! There are some remaining issues yet to be fixed, but we hope to have those sorted out shortly.

Opera is the first to cross the finish line, at least in an internal build. The rest of us will have to wait a few days before we can verify the results, but this is exciting. Now it’s a race between Mozilla Firefox, Apple Safari, and Microsoft IE to see who will come in second.

More on ACID3 tests

ACID3 - Actual Test Page

QUOTE  Acid3 is a test page from the Web Standards Project that checks how well a web browser follows certain web standards, especially relating to the DOM and JavaScript. It was in development from April 2007, and released on 3 March 2008. The main developer was Ian Hickson, who also wrote the Acid2 test. Acid2 focused primarily on Cascading Style Sheets, but this third Acid test focuses also on technologies used on modern, highly interactive websites characteristic of Web 2.0, such as ECMAScript and DOM Level 2. A few tests also concern Scalable Vector Graphics, XML and data: URIs. Only elements from specifications as of 2004 are included.


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