Helping website owners fix broken links
What about any "file not found" URLs that haven't yet been fixed? Let's improve that, too: Webmaster Tools provides site owners with the "file not found" widget, (aka the 404 widget). It's a small snippet of code that can change the message from this unfriendly one:
To this helpful message (note the handy URL suggestion, search box, and link to existing sitemap and parent directory):
So, if you're a site owner, help us help you fix broken links and make your "file not found" pages more useful by signing up for Webmaster Tools. Here's to an even better experience on the web!
Maile Ohye, Developer Programs Tech Lead
googleblog.blogspot.com
published @ October 16, 2008