The 404 error — aka File Not Found — is one of the common errors you find on the Internet. It can be frustrating, but broken links are common and inevitable. But a well-designed 404 Error Page can help you avoid losing your visitor's trust, potentially building up your readership and keeping the user engaged so he stays on your site longer. I've compiled a list of 31 of the more creative and even inspirational 404 Error Designs. Hope you enjoy it.