This article covers best practices for crafting 404 pages, with real examples from over 50 brands. Status code 404 error meaningThe 404 status code error is an HTTP response signaling the webpage cannot be found on the web server. Here are some best design practices for crafting a user-friendly and engaging 404 page. 51 examples of 404 pagesFunny 404 page examplesHere are examples of lighthearted, humorous, quirky 404 pages that use witty and clever language to draw users in and keep them on the page. BlizzardFormal 404 page examplesHere are examples of formal 404 pages designed to look more professional and take a respectful tone in the copy.