Robots.txt Checker

Audit website robots.txt files for crawling directives, crawler-specific rules, wildcard path specificity, sitemap verification, and URL testing.

Popular examples: https://google.comhttps://github.comhttps://wikipedia.org
URL Access Testing Tool

Evaluates specific paths against User-Agent groups using wildcard specificity and conflict matching algorithms.

Multi-Crawler Comparison

Compare path access rules side-by-side for Googlebot, Bingbot, Yandex, Baidu, and generic search bots.

Sitemap Discovery & Verification

Extracts declared sitemap locations and checks live HTTP status codes and XML content headers.

Fetching & Auditing Robots.txt…

Evaluating origin URL, HTTP response headers, User-Agent groups, Allow/Disallow rule specificity, and sitemap declarations.

HTTP Status

200

Robots.txt Found
User-Agent Groups

0

Crawler Groups
Disallow Rules

0

Crawl Block Directives
Allow Rules

0

Explicit Allow Rules
Sitemaps Declared

0

Declared XML Sitemaps
Evaluate Path URL Access Live
Allowed/admin/
Matched rule on Line 12
Multi-Crawler Access Comparison Matrix
Sample PathGooglebotBingbotGooglebot-ImageDuckDuckBotYandexBotBaiduspider* (All)
Raw fetched robots.txt content with 1-indexed line numbers.

 
Declared Sitemap URLLine #HTTP Verification StatusContent-Type
No sitemap declarations found in robots.txt.
Line-Level Syntax Diagnostics & Warnings
No syntax errors or warnings detected.
Critical SEO Guidance & Safety Rule

robots.txt controls crawler access; it is not a reliable mechanism for removing an already indexed URL from search results or securing private data. Blocked URLs can still be indexed via external backlinks and can still be accessed directly by web browsers.

What is a Robots.txt File?

A robots.txt file is a plain text file placed at the root directory of a website (e.g. https://example.com/robots.txt). It provides crawl instructions to search engine web crawlers (like Googlebot, Bingbot) detailing which pages or directories they are permitted or forbidden to crawl.

Auditing your site's robots.txt file ensures that search engines are not accidentally blocked from indexing key revenue-generating landing pages or CSS/JS design assets.

Robots.txt Best Practices for SEO

Recommended Practices
  • Always declare your primary XML sitemap URL inside robots.txt.
  • Disallow administrative folders (`/admin/`, `/wp-admin/`, `/cart/`).
  • Ensure CSS and JavaScript assets are accessible to Googlebot.
  • Keep file size under 500 KB to guarantee parser readability.
Pitfalls to Avoid
  • Never declare `Disallow: /` on live production websites.
  • Do not use robots.txt to hide sensitive user security data.
  • Avoid conflicting Disallow and Allow wildcard rules.