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 ...

The Robots Exclusion Protocol (REP), commonly known as robots.txt, has been a web standard since 1994 and remains a key tool for website optimization today. This simple yet powerful file helps control ...

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 ...