WordPress Speed Up Service | WordPress Website Maintenance Packages What is html5.onl/nav.php? and how can I remove it?, by D3LL Hello, I’ve noticed my site is hanging when trying to load pages sometimes. A quick look through the Network Monitor in Chrome I can see that it’s hanging to load; http://html5.onl/nav.php?0.0000000000000000 What is this and how can I get rid of it? I’ve searched through my files and database for things like nav.php html5 .onl but no joy. help!? What is html5.onl/nav.php? and how can I remove it?