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August 19, 2008

Google Widget for Custom 404 Error Pages

Google Toolbar 5 for IE (and soon for Firefox) has a useful feature that adds custom 404 error pages. If a site doesn't customize the error page and you click on a broken link or mistype the web address, Google Toolbar shows a list of suggestions: the site's homepage and some searches that could help you locate the right page.

Google implemented a similar error page for and now you can add it to your own site. If you have access to the web server and you can customize the 404 error page, Google provides a widget that enhances the page. "The 404 widget is a quick and easy way to embed a search box on your custom 404 page and provide users with useful information designed to help them find the information they need. Where we can, we'll also suggest other ways for the user to find the information they need, thus increasing the likelihood that they'll continue to explore your site," explains Google.

The widget can be found in Google Webmaster Central, by selecting a site from the dashboard and clicking on Tools > Enhance 404 pages. Unfortunately, it requires JavaScript, so a small number of visitors will not see it.

Google has some recommendations for creating useful error pages: informing visitors that the page could not be found, recommending popular pages from the site, using a consistent design and preventing 404 pages from being indexed by search engines.

The Webmaster Central Blog mentions that this feature is experimental and that not all the sites show great suggestions.


  1. Safari has something like this build in, although with less option.
    As far as I remember it only gives you a Google search box on the error page.

  2. Hi!
    It looks that the new CAPTCHA system you have on the blog doesn't work that well under Firefox 3. The image used for "Word verification" doesn't load, and so I can't verify my comment.
    I am using the portable version, I disabled all add-ons, but same problem!

  3. Can you show me how to handle this error in blogger ?


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