Robots.txt: Similar to a stoplight, a robots.txt file gives internet search engine spiders or crawlers route. You’ll use this file to allow spiders to crawl your web site. It's also possible to use it to stop them from checking out URLs like your paid out landing webpages. : an act https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ