I'm on a Toshiba netbook in a public wifi with an excellent signal and all precautions taken. Granted, this machine is probably 4 years old, but I'm wondering if all the trackers---Google, Double Click, etc. are dragging down my speed. Usually I run Firefox on a USB stick for internet which has blockers for these trackers, nevertheless my browser hangs, freezes and becomes virtually useless. I'm using IE at the moment and it's probably allowing all the trackers in the world, but my browser speed is fine. What's going on? I prefer Firefox to avoid trackers and adverts on Youtube.