Like the webmasters of any big, content rich site, we were thrilled by the announcement that Google, Yahoo and Microsoft had agreed to support the
new 'canonical tag' when indexing pages. Thrilled until we realised how many pages we'd need to change, that is.
To make our lives slightly easier, we decided to write a Firefox extension (and learn not to call them plugins) to let us see the canonical URI of a page without having to view-source. We're very happy to share the canonical uri firefox extension with you.
We tried to keep this extension as simple as possible, so the only thing it does is:
If you're using Firefox you can follow this link to install the canonical uri extension now.
In the spirit of keeping it simple, releasing early and often, etc, the extension has a couple of foibles.
We do, and we've even tuned the URI on some of our pages. If you take a look at our product and place listing pages, you'll see that the canonical URI excludes filters and search dimensions that we don't want to be indexed.
...or thank if you are so inclined :-)