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 ...

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 ...

It happens all the time: Organizations get hacked because there isn’t an obvious way for security researchers to let them know about security vulnerabilities or data leaks. Or maybe it isn’t entirely ...

Robots.txt tells search engines what to crawl—or skip. Learn how to create, test, and optimize robots.txt for better SEO and site management. Robots.txt is a text file that tells search engine ...

A newly discovered zero-day in the widely used WinRAR file-compression program has been exploited for four months by unknown attackers who are using it to install malware when targets open ...

A file extension is a suffix that is added to the end of a file name after a dot. It is usually two to four letters long. File extensions help Windows and other operating systems to know the standard ...

Gary Illyes shared a nice little tidbit on LinkedIn about robots.txt files. He said that only a tiny number of robots.txt files are over 500 kilobytes. I mean, most robots.txt files have a few lines ...