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The old version (http://acid3.acidtests.org/ http://acid3.acidtests.org/) will reach 97/100 on modern compliant browsers. There is a newer version (https://wpt.

The old version (http://acid3.acidtests.org/ http://acid3.acidtests.org/) will reach 97/100 on modern compliant browsers. There is a newer version (https://wpt.live/acid/acid3/test.html https://wpt.live/acid/acid3/test.html) which incorporates the changes made to the specs in the meantime, so modern browsers will reach 100/100 on this one again. The test was carried out against this version, as you can see in the address bar in the screenshot.

j-james 5y ago
Hmm, I'm seeing 99/100 in Chromium (mobile and desktop). I wonder what test is failing.
- naoqj 5y ago
  It says "test 64 is failing: object.data isn't absolute"
  - black_puppydog 5y ago
    Chrome is just abiding by the much more important industry standard of "it has to work in chrome, period"
- croes 5y ago
  Have you tried http:// http:// instead of https:// https://?
- tssva 5y ago
  Passing the individual tests is only part of passing the complete test. Animations must be smooth and everything must be rendered pixel perfect to the sample image. All Chromium based browsers, I tried Chrome Chromium, Edge and Vivaldi appear to fail the test even if they get a 100/100 score. They all display a thin red line near the upper right of the white box. This line doesn't appear on the sample image.
  - easrng 5y ago
    Do your displays have non-integer scaling enabled?
missblit 5y ago
Your link also only gets 99/100 on modern browsers. Why? Well... // test 64: more attribute tests // attributes of the <object> element var obj1 = document.createElement('object'); obj1.setAttribute('data', 'test.html'); // ... assert(obj1.data.match(/^http:/), "object.data isn't absolute"); See that "http" in test 64? Turns out you'll get a score of 100/100 if you use the http version of the URL instead of HTTPS.
- hermitdev 5y ago
  Confirmed for me. Where's the metatest that tests Acid3?
  - yifanl 5y ago
    Right here, it seems :)
- gpderetta 5y ago
  Interesting, by forcing http I get 100/100 with chrome on windows but the animation is not smooth (there is a pause at 69/100) and it definitely does not match the reference image (there are no colored boxes at all).
greggsy 5y ago
I got either 68, 97 or 99 on Safari iOS. Disabled content blockers and Darker Reader.
- samwillis 5y ago
  I was seeing the same untill I changed the urls to http rather than https as per another comment, then it gets 100.
- speedgoose 5y ago
  The animation is far from being fluid too.

j-james 5y ago

Hmm, I'm seeing 99/100 in Chromium (mobile and desktop). I wonder what test is failing.

naoqj 5y ago
It says "test 64 is failing: object.data isn't absolute"
- black_puppydog 5y ago
  Chrome is just abiding by the much more important industry standard of "it has to work in chrome, period"
croes 5y ago
Have you tried http:// http:// instead of https:// https://?
tssva 5y ago
Passing the individual tests is only part of passing the complete test. Animations must be smooth and everything must be rendered pixel perfect to the sample image. All Chromium based browsers, I tried Chrome Chromium, Edge and Vivaldi appear to fail the test even if they get a 100/100 score. They all display a thin red line near the upper right of the white box. This line doesn't appear on the sample image.
- easrng 5y ago
  Do your displays have non-integer scaling enabled?

missblit 5y ago

Your link also only gets 99/100 on modern browsers. Why? Well... // test 64: more attribute tests // attributes of the <object> element var obj1 = document.createElement('object'); obj1.setAttribute('data', 'test.html'); // ... assert(obj1.data.match(/^http:/), "object.data isn't absolute"); See that "http" in test 64? Turns out you'll get a score of 100/100 if you use the http version of the URL instead of HTTPS.

hermitdev 5y ago
Confirmed for me. Where's the metatest that tests Acid3?
- yifanl 5y ago
  Right here, it seems :)
gpderetta 5y ago
Interesting, by forcing http I get 100/100 with chrome on windows but the animation is not smooth (there is a pause at 69/100) and it definitely does not match the reference image (there are no colored boxes at all).

greggsy 5y ago

I got either 68, 97 or 99 on Safari iOS. Disabled content blockers and Darker Reader.

samwillis 5y ago
I was seeing the same untill I changed the urls to http rather than https as per another comment, then it gets 100.
speedgoose 5y ago
The animation is far from being fluid too.