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Reminds me of the old browser acid tests.

> Microsoft said that Acid3 did not agree with the goal of Internet Explorer 8 and that IE8 would improve only some of the standards being tested by Acid3. IE8 scored 20/100, which is much worse than all relevant competitors at the time of Acid3's release, and had some problems with rendering the Acid3 test page. On 18 November 2009, the Internet Explorer team posted a blog entry about the early development of Internet Explorer 9 from the PDC presentation, showing that an internal build of the browser could score 32/100.

Ah, memories. https://en.wikipedia.org/wiki/Acid3

Hm, Safari latest doesn't actually pass Acid3. It crashes Safari Web Content every time, and gets to max 97/100. Should we be worried?

IE and Edge never actually "passed" Acid3 either; as I recall they typically got to scores of 100 but would lag on two numbers, I want to say they were 25 and 69, whereas the test explicitly says that the animation needs to be fluid.

Does any browser pass, then? Current Chrome and Firefox both lag on 69 for me.

I got Firefox 47.0.1 to pass with 100%, but only when I reloaded the page. It failed the first time with only 99/100. Passing may require a very fast internet connection or cached data.

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