Youtube – Tons of liked comments

When signed out go to the "Browse Channel's" at the bottom, there will be some tiles. The first one should be "Popular on Youtube." Underneath that will be a subscribe button. Click it, sign in, and when you want to go there, just click it in the sidebar.

Install the YouTube Flash Player (Chrome version) / (Firefox version) extension:

This add-on forces YouTube to play videos using Flash Player instead of the HTML5 player.

^{Source: My answer in a similar Super User question}