I know that this has done a recent re-surface around the tinter-web, but I do think it is funny. even though I hate cats.
200 = All OK
301 = Permanent Redirect
404 = Page not found
500 = Internal server error, basically not available
503 = Server temporarily not available – maintenance mode
… and just because I like these 2 photos…
414 = URL too long
450 = Blocked by Windows parential controls
But, why are server response codes important?
If you too find the w3c guidelines and definitions hard to read, I have summarised the top level definitions for you in this other post >>