Safari was stable in IOS 6 in my iPad mini, then I (stoopidly) "upgraded" to IOS 7 - safari has crashed ever since - now in 7.0.3.
This happens particularly in The Herald (Glasgow) newspaper http://www.heraldscotland.com/
in topics where Disqus is used for readers' comments.
It also happens in The Guardian (UK) newspaper http://www.theguardian.com/uk
particularly in topics where there are lots of readers' comments.
Incidentally, I have used macs from c1986 to 2013 from Apple 11 to iMac.
This one tip will help you sleep better tonight
A few seconds are all you need to get a better night's rest.