It’s necessary to have a beautiful and appealing 404 error page. It appeared when a user used wrong URL or broken link. Besides, it can show up when the page URL was changed or redirected.
When a user has landed on 404 page, there is a huge chance he or she will leave without having to see what else your website can offer. Thus, once it happens, you need to help them get back to the homepage.
In this list, we have collected 20 fresh and creative 404 error pages to see just for fun. Or, you can use their ideas to create some cool 404 error page for your site or blog.
4. Dan Woodger
16. Template Monster
19. Repair Pal
from Web Design Ledger https://webdesignledger.com/20-fresh-creative-404-error-pages-just-for-fun/