Log in on each browser you use and one press of Fuzz or Test fuzz runs the vector in all of them, with every browser's results side by side.
This vector shows if a character is allowed in an entity. Firefox did that in the past
Unable to render tweet button
<a href="javascript&colo$[chr]n;abcd" id="x">f</a>
try{ if(x.protocol == "javascript:")log($[i]) }catch(e){}
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