If you are trying to access our full site, and your iPhone or smartphone is crashing, it is most likely because our site is too big and will overload even a smartphone. Please try our site specifically designed for iPhones(this works with other mobile devices as well): http://i.wund.com or our other mobile site:
http://m.wund.com
Clearing the cache could help your crashing issue, but the site really is too big for phones.