Get inspiration to your next 404 error page here. 20 really cool and creative error 404 pages. And remember to do some SEO work for your 404 page too.

2. This one is boring right ?

3. So take a look at the next 20 really cool
and creative error 404 pages
- and get inspiration

24. The most overlooked
SEO techniques?
Optimizing your 404 error page is one of the most overlooked SEO
techniques. With an optimized 404 error page you can keep the
customers on your page a longer time. And keep them on your website.
Check it out here
http://seocustomer.com/the-most-overlooked-seotechniques/