That blocks all search engines, including Google, MSN, Yahoo, and so on, from indexing any files at the Office of the Director of National Intelligence's Web site. (Here's some background on the ...

Google's Webmaster Central has become a very important resource for anyone who has a Web site, works on a Web site, or, like SEO practitioners, helps others with their Web sites. Google continues to ...

It’s always great fun to build your own robot. Sometimes, though, if you’re doing various projects or research, it’s easier to buy an existing robot and then use it to get down to business. That was ...

I have run into an interesting robots.txt situation several times over the years that can be tricky for site owners to figure out. After surfacing the problem, and discussing how to tackle the issue ...

Shopify stores are now able to edit their robots.txt file, which gives owners more control over how search engines crawl their site. Tobi Lutke, Shopify CEO, broke the news this evening on Twitter ...

Like many websites, Last.fm's web server contains a file called robots.txt, whose job it is to instruct the robotic web spiders employed by search engines like Google to ignore certain directories on ...

Jeremiah Andrick cautions against the practice of having dynamic robots.txt files, or using them to help manage server load as the engines come crawling throughout the day. "You may perceive a benefit ...

Google’s John Mueller answers a question about using robots.txt to block special files, including .css and .htacess. This topic was discussed in some detail in the latest edition of the Ask Google ...

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 ...