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Take your Kindle and visit https://html5test.com/ and that should give you a good idea. Spoiler: it scores pretty low but supports JavaScript, which is surprising. PS: You could have gotten this answered more quickly by Googling. - Source: Hacker News / 8 months ago
I just don't know what else I can do. I compared Chromium and Firefox in html5test.com, got same result. All browsers says they doesn't support H.265. I turned off HW acceleration, nothing changes. I installed ffmpeg-libs and other codecs from Fedora wiki. Nothing changes. Videos are same vp9 in browsers. I spent all day googling but nothing helpful. Source: almost 2 years ago
What does https://html5test.com/ say for h.264, VP8, VP9 and Theora support? What does it say for aac, Opus, Vorbis and mp3 support? Source: almost 2 years ago
You can use this website also https://html5test.com is really helpful with more datails. Source: almost 2 years ago
If I go on html5test.com, no matter which browser I use, H265 support is not enabled and I couldn't find any article online that explains why -- what am I missing here? Source: almost 2 years ago
(Because of the OFL, “Roboto Serif” is replaced by another name since I modified the font when I subsetted it) Large font stacks made sense in the days of IE6 for the following reasons: • Dial up users did not have enough bandwidth to download webfonts. • Only IE supported webfonts, in a weird proprietary “eot” format • 99% of desktop operating systems all had the same web safe fonts... - Source: Hacker News / 4 days ago
Yeah, curious. The mentioned backdrop-filter seems to be supported everywhere https://caniuse.com/?search=backdrop-filter. - Source: Hacker News / 25 days ago
We don't need to use -apple-system any longer. system-ui availability is about 95% [1]. [1]:https://caniuse.com/?search=system-ui. - Source: Hacker News / about 1 month ago
> WHATWG have removed features before, e.g. frameset, font, and applet elements from HTML. font: supported in all browsers https://caniuse.com/?search=font frameset: supported in all browsers https://caniuse.com/?search=frameset applet: supported in all browsers https://caniuse.com/?search=applet > All of them were rarely used and had better alternatives available. "Rarely used" is not enough of a justification. - Source: Hacker News / about 1 month ago
Sorry if you know about this, I can't tell from your post. But nesting CSS has been added. Here's the MDN article: https://developer.mozilla.org/en-US/docs/Web/CSS/CSS_nesting Browser support is here: https://caniuse.com/?search=nesting. - Source: Hacker News / about 2 months ago
The Acid3 Test - The Acid3 Test is an online test page developed by the Web Standards Project to help everyone check how compliant a specific browser is with different web standards like JavaScript and Document Object Model.
CrossBrowserTesting - Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.
CSS-Tricks - CSS-Tricks is a website about websites.
Reddit - Reddit gives you the best of the internet in one place. Get a constantly updating feed of breaking news, fun stories, pics, memes, and videos just for you.
browserling - Live interactive cross-browser testing from your browser.
BrowserStack - BrowserStack is a software testing platform for developers to comprehensively test websites and mobile applications for quality.