Playground
Here you will find a collection of web pages for testing purposes or as a reference. Don't mind the design. There is none.
HTML
CSS
Video
- Responsive video iframe
- Responsive video page
- Video codecs
- Video media queries
- HTTP Live Streaming (HLS) demos
- MP4 video support
- HTML5 MP4 video
- HTML5 WebM VP9 video
- HTML5 Video WebM before MP4
- HTML5 autoplay video muted
- HTML5 autoplay video muted + playsinline
- HTML5 autoplay video with sound + playsinline
- HTML5 autoplay video with JavaScript
- Autoplay HTML5 Video with preload="none" and JavaScript
- HTML5 autoplay video without sound
- HTML5 video with SVG poster image as data URI
- MPEG-DASH video
- WMV
- QuickTime
Web Performance Optimization (WPO)
- Article list
- Article list with <template>
- Footer CSS
- loadCSS
- Loading assets over SSL
- Load JavaScript in head
- Load JavaScript at the end
- Load JavaScript deferred
- Load JavaScript asynchronous
- CSS Injection
- Inline critical CSS
- CSS version load times
- IntersectionObserver API with Google Maps
- Injecting JavaScript with XMP