Columnist Patrick Stox provides some dos and don'ts for creating your robots.txt file -- along with examples of companies who have gotten creative with their files.

Do you use a CDN for some or all of your website and you want to manage just one robots.txt file, instead of both the CDN's robots.txt file and your main site's robots.txt file? Gary Illyes from ...

One of the cornerstones of Google's business (and really, the web at large) is the robots.txt file that sites use to exclude some of their content from the search engine's web crawler, Googlebot ...

John Mueller from Google did it again with his site and this time uploaded an audio file, in wav format, for his robots.txt file. You can go to it and listen to him read out his robots.txt rules ...

Columnist Glenn Gabe shares his troubleshooting process for identifying issues with robots.txt that led to a long, slow drop in traffic over time.

Are large robots.txt files a problem for Google? Here's what the company says about maintaining a limit on the file size.

When indexing websites for its search engine, Google’s Googlebot crawler typically scans the robots.txt file to check for any instructions on which parts of the site it should ignore.

Google's Martin Splitt affirmed it's okay to block external resources. But there was a wrinkle to the question asked.