On my Linux and Firefox, font looks unpleasantly blurred in small sizes on their page. Maybe our hinting settings are different than theirs but that should not

On my Linux and Firefox, font looks unpleasantly blurred in small sizes on their page. Maybe our hinting settings are different than theirs but that should not be a problem in a quality font. Kerning in digits looks off in their example: https://i.imgur.com/AURrPtn.png https://i.imgur.com/AURrPtn.png (this is an example where fixed-width is disabled), don't know how pervasive this odd kerning is, or if this is bad only in the browser. Another example of bad kerning: https://i.imgur.com/PIYJgIz.png https://i.imgur.com/PIYJgIz.png One more example: https://i.imgur.com/bOM4MZB.png https://i.imgur.com/bOM4MZB.png