Robots.txt Tester is a free, browser-based search engine optimisation tool. Simulate how search engines read your robots.txt. Test specific URLs against your rules.
SEO specialists, content marketers, website owners, and digital agencies use Robots.txt Tester every day to save time and skip the overhead of desktop software or paid services. No installation, no account, and no technical knowledge required — just paste your content into Robots.txt Tester and get results in seconds. Your files never leave your browser — full privacy by design.
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How to use Robots.txt Tester
1
Paste robots.txt
Enter your robots.txt content.
2
Enter URL
Type a URL to test.
3
Test
See if the URL is allowed or blocked.
Use Cases
- Optimising new pages before publishing to ensure technical correctness
- Auditing existing pages for crawlability and structured data issues
- Preparing JSON-LD schemas for rich results in Google Search
- Monitoring and improving search snippet appearance and CTR
Key Benefits
- 100% free with no usage limits, watermarks, or hidden fees
- No account or sign-up required — use it instantly
- Works in all modern browsers on desktop, tablet, and mobile
- Privacy-first: all processing runs locally, files never leave your device
- Actionable insights with clear, readable output
- Detailed breakdown with specific recommendations