The Yahoo Search Blog announced a new Site Explorer feature that enables webmasters to inform Yahoo about dynamic URLs that might be creating duplicate content issues or crawl barriers. The new ...

As part of the Search Off The Record podcast from Google on crawling, which we briefly covered on Friday, Gary Illyes from Google said he is investigating ways for Google to handle URL parameters ...

Google’s recent blog post recommending that webmasters avoid rewriting dynamic URLs caused a minor furor in the search marketing industry. Reactions ranged from nervous fears that sites with rewritten ...

URL parameters can create infinite URLs, causing crawl inefficiencies. E-commerce sites are most affected by this issue. Google is exploring solutions, including new algorithms and improved ...

How do you deal with links that have tracking parameters in the URL for referrer measurement for analytical reasons or in case of a partner program where the referring site gets some form of ...