HTML5test.com is a discontinued web app for evaluating a web browser's implementation some of common web standards, including HTML5, Web SQL Database, Scalable Vector Graphics (SVG), and WebGL.
HTML5test.com is a discontinued web app for evaluating a web browser's implementation some of common web standards, including HTML5, Web SQL Database, Scalable Vector Graphics (SVG), and WebGL.
The test suite was developed by Dutch web programmer Niels Leenheer and published in March 2010. The app returns an integer score out of a possible 555 points. The point total has changed multiple times over the software's evolution. Leenheer introduced the present scoring system as part of a major redesign of the test introduced in November 2013. On 9 January 2024, Leenheer announced a problem with the app's server and added that he has no incentives to work on it anymore. Since then third-party mirrors have been set up at and .
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).