Columnist Glenn Gabe shares his troubleshooting process for identifying issues with robots.txt that led to a long, slow drop in traffic over time. I’ve written many times in the past about how ...

Are large robots.txt files a problem for Google? Here's what the company says about maintaining a limit on the file size. Google addresses the subject of robots.txt files and whether it’s a good SEO ...

The Pennsylvania State University conducted a study that showed webmasters favored Google over other search engines in terms of allowing access to their web sites. An associated BotSeer search engine ...