Looking at https://checkmyworking.com/cm-web-fonts/ https://checkmyworking.com/cm-web-fonts/ with firefox on macos, it doesn't look like the kerning is quite ri

Looking at https://checkmyworking.com/cm-web-fonts/ https://checkmyworking.com/cm-web-fonts/ with firefox on macos, it doesn't look like the kerning is quite right. In "consectetur" there is too much space between the 't' and 'e'. I don't know enough about font formats, but is something lost when translating from metafont to ttf? Is there something specific about how TeX kerns fonts that hasn't been copied ^W ported to web browsers?