I don't know where you're getting that — and I couldn't find any mention of Instart with a Ctrl-F on that page — but my source is this comment by the OP: https:

I don't know where you're getting that — and I couldn't find any mention of Instart with a Ctrl-F on that page — but my source is this comment by the OP: https://www.reddit.com/r/webdev/comments/8hha0r/is_it_worth_supporting_firefox/dykjb5o/ https://www.reddit.com/r/webdev/comments/8hha0r/is_it_worth_... Besides, wouldn't something like that itself get blocked?