3
votes
1answer
129 views

How do I prevent a web page from directly embedding data from other external sites?

I browse with Firefox and 50% of the time, I am behind a proxy. The proxy firewall blocks certain sites including Facebook, Pinterest, and Twitter. I am unable to obtain a complete list of blocked ...
3
votes
3answers
1k views

“Turn Off The Lights” on any website?

On Youtube, there is this nice button (easy to overlook - top left of the video) which lets one "turn off the lights": the site background changes from white to black, the text color changes from ...
0
votes
1answer
224 views

Using different gmail,hotmail etc at the same time in a browser (Firefox) [closed]

What would be the best way to use different Gmail, StackExchange, Hotmail accounts etc. at the same time? Currently I use different browsers (Firefox and Chrome) for different purposes. Another ...