WebTips now has a customized 404 error page! I think WebTips is the first blog at Blogsome to have a customized 404 error page. Something like the big sites like Wikipedia. So from now on most of our valuable visitors are not going to get a blank page which only says Page not found i.e. having no info at all. To get a preview of what am talking about, click here.
It will be great to have a customized error page for each and every blog at Blogsome as also in other free blog providing platforms which supports php or smurty. Hopefully am going to make another post shortly to share the coding stuff 
. If you have any queries like .. Can I do this and that .. just drop a line. Please don’t hesitate. We will try to help you out.
We made this happen a couple of weeks ago but we needed to see how the search engines are going to treat these pages. So what we did was place a link to a page that really does not exist in the sidebar. In the mean time Google crawled our site quite a few times and everything seems to be fine!!
Related: How to customize a 404 error page in your free Wordpress blog
I am thrilled to see this but am bit late
to comment. I have seen a lot of 404s in these years but this one really deserves a place in the top half of the list. Am gonna show this to my colleagues tomorrow.