A robots.txt file is a textual content file that’s positioned within the root listing of a website that incorporates data meant for search engine crawlers about which URLs should be crawled and which of them shouldn’t. The presence of this file isn’t obligatory for the operation of the web site, however, its correct setup lies at the heart of website ranking. The choice to make use of robots.txt was adopted in 1994. What’s robots.txt used for? The first function of the file is to facilitate the scanning of pages and useful information in order for the crawl budget to be…