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Nexifr

Robots.txt Generator

Generate robots.txt files to control crawler access.

Processed in your browser — files and pasted content are not sent to Nexifr.
Input
Output

Configure inputs and click Run

How It Works & Educational Guide

How Nexifr's Robots.txt Generator helps you solve search visibility challenges — what it generates, why it matters, and how to use the output effectively.

01Controlling Web Crawlers with Robots.txt

A robots.txt file resides in the root directory of your website. It provides instructions to automated search bots (like Googlebot or Bingbot) specifying which parts of your site they are allowed to crawl and index.

02Robots.txt Directives Explained

• User-agent: Specifies which bot the rules apply to (e.g. '*' for all crawlers, 'Googlebot' for Google's specific crawler). • Disallow: Blocks bots from crawling specific folders or files (e.g. admin panels, user login pages). • Allow: Overrides a Disallow rule to grant access to a subfolder. • Sitemap: Declares the full XML URL location, helping bots index new pages quickly.

03Common Pitfalls to Avoid

Do not use robots.txt to hide sensitive information—the file is public, and URLs can still get indexed if linked externally. Avoid blocking CSS and JavaScript files, as search crawlers need to load these assets to evaluate mobile responsiveness and layout rendering.

Frequently Asked Questions

Where do I upload robots.txt?

Place it in the root of your website (e.g., example.com/robots.txt).