Check if HTML5 and CSS3 features are ready for use in your projects, and learn how to implement them with polyfills or fallbacks when needed.
See which HTML5 features are safe to use
HTML5 Please is a practical resource for web developers who want to know which HTML5, CSS3, and related web features are safe to use in their projects. You can quickly look up a feature and see if it’s recommended for use, as well as get tips on the best ways to implement it—whether that’s with native support, polyfills, or fallbacks for older browsers.
The site is designed to help you make informed decisions about modern web technologies, so your sites work well for as many users as possible. With concise explanations and helpful links to tools and resources, it’s a handy reference whether you’re building something new or updating existing code.
If you care about compatibility and want to use the latest web features responsibly, HTML5 Please makes it easy to stay up to date and use the right techniques for every situation.
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