This is a good point, and I've noticed this phenomenon on some video sites lately.
Although the caveats for this particular library[1] imply enough false positives and false negatives that it seems mostly useless. Sites that take this seriously must be doing something smarter.
[1] "Doesn't work if DevTools is undocked and will show false positive if you toggle any kind of sidebar."
Although the caveats for this particular library[1] imply enough false positives and false negatives that it seems mostly useless. Sites that take this seriously must be doing something smarter.
[1] "Doesn't work if DevTools is undocked and will show false positive if you toggle any kind of sidebar."