It is explained as robot exclusion protocol or standards. It is a file having a .txt extension located in the source code of the website. Generally, it is present in the source code if not one can create by using our above tool for search engine optimization. If it is not present then as per the protocol it permits search engines to crawl every web page of the website.
It is utilized to give proper instructions and messages to various search engines or search protocols as the list mentioned above in the tool with heading search robots ie Google, Google Image, MSN search, Yahoo, and so on to allow or refuse (disallow) to crawl the websites. It is created to leverage by editing the file and rank your website. Robot.txt Generator it is very easy to generate robots file for any search engine. By the Defaults- All Robots selection if selected "Allowed" it will generate a file
User-Agent : *
By this, not a single search engine is allowed to crawl your website. However, if you want only Google can crawl and rest others are not authorized you can allow the Option of Google on a tab and it will only allow google to crawl and will generate the file as
When the files are generated you have to create the file and save its source code of the website. Give a look to our one of the gem in SEO tools.