The robot text file, better known as robots.txt, is a long-running Web standard which helps prevent Google and other search engines from accessing parts of your site. Why would you want to block ...

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 ...

Part two of our article on “Robots.txt best practice guide + examples” talks about how to set up your newly created robots.txt file. Part two of our article on “Robots.txt best practice guide + ...

I have already shared my opinion on the variety of various Robots.txt checkers and verifiers: be aware of them but use those with caution. They are full of errors and misinterpretations. However I ...

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 ...

New robots.txt Tester Launches in Google Webmaster Tools The robots.txt testing tool in Google Webmaster Tools has just received an update to highlight errors causing Google not to crawl pages on your ...

Google is showing a more descriptive search snippet for when it cannot show any search snippet in the search results. If a page is being blocked by the robots.txt file, Google won't show the search ...

Ed Foudil, a web developer and security researcher, has submitted a draft to the IETF — Internet Engineering Task Force — seeking the standardization of security.txt, a file that webmasters can host ...