A 404 Error page usually informs visitors that something they were looking for is not found. I wanted to create a useful 404 error page for my blog and site. If it is only for a blog, I would have done with a multitude of plugins available for WordPress like smart 404, AskApache’s Google 404. A quick search for “404″ in wordpress extension site will reveal atleast 6 pages of extensions. But much to my bad luck, they...