Robots.txt Generator & Tester
Articles, guides, and in-depth tips for the Robots.txt Generator & Tester — everything you need to get the most out of it.
✦ AI-powered — understands natural language
Robots.txt Was Informal for 28 Years — What RFC 9309 Actually Standardized and What It Still Leaves Open
Testing Robots.txt Is More Valuable Than Generating It — The URL Matching Rules That Surprise Everyone
Testing whether a URL is allowed or blocked by your robots.txt reveals more than generating new rules — most robots.txt errors come from not knowing which rules match which URLs. Here's the prefix-matching logic that catches more paths than expected (/admin matches /administration), why query strings can't be targeted by robots.txt path rules, the seven URL variants to test for every rule, and how Allow + Disallow specificity interaction produces counterintuitive results.
Robots.txt Can Only Ask — It Can't Enforce, Hide, or Remove From Google's Index
Robots.txt can only ask crawlers to stay away — it can't enforce it, it can't hide content, and it cannot remove an already-indexed URL from Google's results. Here's why Disallow prevents crawling but not indexing (and why disallowing a page you want noindexed is self-defeating), why robots.txt paths are public information that scrapers deliberately read, and the correct tool for each goal: Disallow for crawl budget, noindex for search results, authentication for actual privacy.
Robots.txt, Meta Robots, X-Robots-Tag: Which One Do You Actually Need? A Goal-First Framework
Robots.txt, meta robots, and X-Robots-Tag aren't competing options — each addresses a different goal (crawl budget, index exclusion for HTML, index exclusion for PDFs/files), and "belt and suspenders" combining robots.txt blocking with noindex doesn't add safety, it disables the noindex entirely. Here's a goal-first decision framework for which mechanism to reach for, and why genuinely sensitive content needs authentication, not extra robots directives.
AI Crawlers and the New robots.txt Reality: GPTBot, Google-Extended, and ClaudeBot
GPTBot, ClaudeBot, Google-Extended, and a growing list of AI training crawlers now require active robots.txt management. Here's every major AI crawler and its user agent, how to block them selectively, the distinction between blocking Google-Extended vs Googlebot, and what "respect robots.txt" actually means in practice.
Robots.txt Mistakes That Silently Kill SEO — and the Correct Configurations
A wrong robots.txt can deindex your entire site and nobody warns you until rankings collapse. Here's the most dangerous mistakes (Disallow: /, blocking CSS/JS), why robots.txt can't prevent indexation alone, and correct configurations for common scenarios.
Robots.txt Generator — Create Crawler Access Rules for Any Website
Learn how robots.txt works, the difference between disallowing crawling vs. preventing indexing, common mistakes to avoid, and how to generate a correct robots.txt file for any site with a free tool.
