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:

html5test_chrome_october_2016

Firefox does as well:

html5test_firefox_october_2016

Edge is catching up, but still in third:

html5test_edge_october_2016

Nobody got a perfect score, though Chrome came the closest.

html5test_october_2016

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