What is the importance of robot.txt in SEO?
 

Hello,
What is the importance of robot.txt in SEO?

Robots.txt is a text file that lists webpages which contain instructions for search engines robots. The file lists webpages that are allowed and disallowed from search engine crawling.

The robots.txt file is a text file used in SEO . It is intended for search engine indexing robots to specify which pages can or can not be indexed. So any search engine starts exploring a website by looking for the robots.txt file at the root of the site.

Despite this, the importance of the robots.txt file is sometimes underestimated. Here, however, is important information on this subject. A Google employee has just indicated that if your site has a robots.txt file , and that it is not readable by Google (so if the returned http code is neither 200 nor 404), then the robot will simply stop crawling the site.

Do not forget to check if your file returns code 200. Note that if you do not have one, it will not pose any specific problem (code 404). Your site will be fully readable by all the different robots of different engines.

Robots.txt is a file in website which gives instruction to search engine crawler which page of website should be indexed and which Web pages should be ignored.

Robots.txt is a text file located in the site's root directory for search engines Spiders and Crawlers what website pages and files you want or don't want them to visit.

Robots.txt" is a regular text file that through its name, has special meaning to the majority of "honorable" robots on the web. By defining a few rules in this text file, you can instruct robots to not crawl and index certain files, directories within your site, or at all.

Robots.txt is a text file webmasters create to instruct web robots how to crawl pages on their website. The robots.txt file is part of the the robots exclusion protocol (REP), a group of web standards that regulate how robots crawl the web, access and index content, and serve that content up to users.
Basic format of the robot.txt file.
User-agent: [user-agent name]
Disallow: [URL string not to be crawled]

IF you want to show your page to the user but do not want to google crawl it then we use Robot.txt.