There are many funny pages on the web, 3 that stick out are:
This page, where you fling cats around, is very fun to use, and is very amusing when you fling the cats into space.
This page, which can take you to many random, weird, amusing webpages. Tens of amusing pages in one!
This "news site", full of many funny, fake news articles. None of it is real, but much of it is funny.