Based on our record, HTML5test seems to be a lot more popular than PDFCrowd. While we know about 58 links to HTML5test, we've tracked only 1 mention of PDFCrowd. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
To follow on with this, I've used https://pdfcrowd.com/ too. Source: over 4 years ago
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
PDFShift - Convert any HTML documents to high-fidelity PDF using a single POST request
Can I use - Compatibility tables for support of HTML5, CSS3, SVG and more in desktop and mobile browsers.
DocRaptor - As the only API powered by the Prince HTML-to-PDF engine, DocRaptor provides the best support for complex PDFs with powerful support for headers, page breaks, page numbers, flexbox, watermarks, accessible PDFs, and much more
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.
PDF-XChange Editor - The smallest, fastest, most feature-rich PDF editor/viewer available
CrossBrowserTesting - Browser Testing made simple! Run automated, visual, and manual tests on 1500+ real browsers and mobile devices. Test more browsers, in less time.