[TazeTSchnitzel]

Chrome isn't the de facto standard, it doesn't have complete dominance of the web yet so you also have to support, at the very least, Safari.

[drvortex]

No, it doesn't have complete dominance. But it has more share than all the other players combined. https://www.w3counter.com/globalstats.php

That is a dominating position making it the de facto standard, even if not absolute.