First, a funny, interactive, and or unique 404 page can generate a buzz for your site. Some sites make it onto blog posts about creative custom 404 error pages simply because they have a 404 page that the blog writer found interesting. People may find a 404 error page they like and send the link to their friends, family members and co-workers. The viral marketing opportunity in a good 404 page can bring in traffic otherwise not seen by a website. 404 error pages are also important vehicles to carry a site’s branding strategy. An effective 404 error page should have the same look & feel of the rest of the site, following through on the branding strategy. What’s more, the 404 error page has a lot of freedom to have it’s own “voice”. If your company is fun loving, for example, a funny and interactive 404 page can strengthen that trait. Make your 404 error page work for you.
In conclusion, when a lot of work is put into building a functional and aesthetically pleasing site, don’t forget to unlock the power of the 404 error page.