a custom 404 error page will encourage users to stay longer on your site. This page must be easy to understand, friendly (to keep the site as a whole) and have some interaction. You will see the following example, some sites will be added in the 404 page users can participate in the game.
in order to retain visitors to the site, here to share a few points in the creation of 404 error page useful skills:
link back to your home page
maintain overall website design
show popular article link
create search form
keep it simple and easy to understand
in this article, you will find some creative 404 error page design. I hope this collection can inspire and help you design your own 404 error page.
Blue Fountain Media
Rachat de Mobile
South Park Studios