OH MY GOD I JUST SOLVED IT!!
You have to do http://username:password@app.schyren.../mrekursiv.php
I actually was trying to find it out through digging into the aosp browser source, but then by googling up some classname that i found i got the solution xD

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Phone : Nexus 4
OS:
Pure KitKat 4.4.2 stock, no root, no mods
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