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.
Checks which characters are allowed before a domain name.
Unable to render tweet button
<a href="https://$[chr].example.com/" id="test$[i]"></a>
if(document.getElementById("test$[i]").href == "https://$[chr].example.com/"){log(document.getElementById("test$[i]").href)}
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