Google’s John Mueller responded to a question on LinkedIn to discuss the use of an unsupported noindex directive on the robots.txt of his own personal website. He explained the pros and cons of search ...

Google only supports four specific robots.txt fields. Unsupported directives in robots.txt will be ignored. Consider auditing your robots.txt files in light of this update. Google limits robots.txt ...

There is this interesting conversation on LinkedIn around a robots.txt serves a 503 for two months and the rest of the site is available. Gary Illyes from Google said that when other pages on the site ...

Google's John Mueller said that since the robots.txt file is cached by Google for about 24-hours, it does not make much sense to dynamically update your robots.txt file throughout the day to control ...