When deezer.com loads i recieve a warning:
Tue May 02 2017 16:52:03
Warning: mutating the [[Prototype]] of an object will cause your code to run very slowly; instead create the object with the correct initial [[Prototype]] value using Object.create
Source file:
http://e-cdn-files.deezer.com/cache/js/core-f531d285f0cf2a92cc0ff4efa5459335.js
Line: 59
What can it possibly be?