What is a Robot Text File?
A file named robots.txt contains instructions for bots. Most websites include this file in their source code. Because bad bots are unlikely to follow the instructions, robots.txt files manage the activity of good bots like web crawlers.

The robots.txt file notifies search engine crawlers of which URLs on your site they can access. It prevents your site from becoming overburdened with requests; it is not a strategy for keeping a web page out of Google. You should use noindex or password-protect a web page to keep it out of Google’s index.

A robots.txt file is used to regulate crawler traffic to your site and, depending on the file type, to keep a file off Google.

How to Use It?
Website administrators can write distinct instructions for bot user agents in a robots.txt file to provide specific instructions for specific bots. For example, if a site administrator prefers a specific page to appear in Google search results but not in other search engine results, they might add two sets of commands to the robots.txt file. This would prevent the page from appearing on search engine result pages. Thus, you can use the robot text file to execute this command.

Cloudflare has put “User-agent: *” in the robots.txt file in the example above. The asterisk denotes a “wild card” user agent, which means that the instructions apply to all bots, not just one.

User-agent names for search engine bots include:

For Google:

  • Googlebot
  • Image of the Googlebot (for images)
  • News from Googlebot (for news)
  • Video of the Googlebot (for video)
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a. Disallowing Content on the Site
In the robots exclusion protocol, the Disallow command is the most popular. It instructs bots not to visit the URL or collection of webpages after the command.

  • Blocking only one file
  • Blocking only one directory
  • Allow complete access.
  • Bots will be unable to access the complete website if it is hidden.

b. The Site protocol on the Site
The Sitemaps protocol instructs bots on what to look for when crawling a website. It is a list of all the pages on a website. A computer can read the file. The sitemap includes the links to the robots.txt file using the Sitemaps protocol.

Conclusion
These are two ways in which you can use the robot text file. This is how you can include as well as exclude the robot text files.