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 ...

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 ...

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 ...

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 ...

Robots.txt, when used correctly, can help you aid search engines with site crawling. But simple mistakes may stop search engines from crawling your site. Here's how to use robots.txt, and some tools ...

A Google Groups thread shows the tail of a webmaster who had issues with his robots.txt file. The robots.txt file was uploaded in what is called byte-order mark (BOM) encoding, which threw off Google, ...

I found a very interesting tidbit from a Google Groups thread on unreachable robots.txt files. I always believed that a site does not need a robots.txt file. In fact, this site does not have a ...

The robots.txt file of the personal blog of Google’s John Mueller became a focus of interest when someone on Reddit claimed that Mueller’s blog had been hit by the Helpful Content system and ...