Safari

[Caran]

I seem to have lost the ability to post on safari. It says something like. The server could not open the page because the server has stopped responding.

[Buenchico]

As I read this, turning off the wi-fi connection on your iPad, and then turning it on again, might do the trick:
http://forums.imore.com/ask-question/297713-safari-could-not-open-page-because-server-has-stopped-responding-what-caused.html