HTML5Test is exactly what its name says. We saw no version number, though a perfect score is 555.

For this benchmark, a higher number is better.

Chrome loves HTML5:

Firefox does as well:

Edge is catching up, but still in third:


Nobody got a perfect score, though Chrome came the closest. Over the years, Edge has made the most progress, although that’s because it was the furthest behind.

Browser standards are a moving target, though according to this benchmark Google is pushing the envelope harder than Mozilla and Microsoft.