Free Website Crawl Test & Robots.txt Checker
Check whether your website is accessible to Google, Bing, ChatGPT, Perplexity, Claude, and AI-powered search crawlers.
Validate robots.txt rules, detect crawlability issues, identify blocked pages, and improve your visibility across traditional and AI-powered search engines.
Why It Matters
Why Crawlability Matters for SEO & AI Visibility
Search engines and AI platforms must be able to access and understand your pages before they can rank, index, or reference your content.
Blocked pages, incorrect robots.txt rules, broken redirects, and crawl restrictions can reduce visibility across traditional search and AI-powered search systems. RankNova helps identify these problems early.
AI Search & LLM Crawler Access
AI Search & LLM Crawlability
Modern AI search engines and LLM crawlers rely on crawl access, robots.txt directives, and website accessibility to discover and understand content.
RankNova helps verify the foundations that influence whether AI crawlers such as GPTBot, ChatGPT-User, ClaudeBot, PerplexityBot, Google-Extended, and Bingbot can access your website content properly.
AI visibility is increasingly important for ChatGPT, Google AI Overviews, Perplexity AI, Gemini, and Claude. If the crawl foundation is weak, the visibility opportunity is weaker too.
GPTBot
AI model training and content discovery signals
ChatGPT-User
Interactive retrieval and browsing workflows
ClaudeBot
AI platform access and content understanding
PerplexityBot
AI answer sourcing and citation discovery
Google-Extended
AI usage controls inside Google ecosystems
Bingbot
Search discovery and AI search coverage baseline
Feature Coverage
Technical SEO and AI crawler checks in one page
Website Crawlability Test
Check whether search engine bots can crawl your website pages properly.
Robots.txt Validator
Validate robots.txt syntax and directives affecting crawler access.
AI Bot Access Checker
Verify if AI crawlers and LLM bots are blocked or allowed by your access signals.
Indexability Analysis
Detect noindex tags, crawl restrictions, and indexing problems.
Sitemap Detection
Find XML sitemaps referenced inside robots.txt.
Technical SEO Warnings
Highlight crawl errors, blocked pages, redirect issues, and technical risks.
GEO Visibility Signals
Understand how crawlability affects AI search visibility and GEO optimization.
Actionable Recommendations
Get simple next steps to improve crawl access and SEO visibility.
Comparison
Why Choose RankNova
Traditional robots.txt tools stop at rule checks. RankNova positions crawlability inside a broader SEO, GEO, and AI visibility workflow.
| Capability | RankNova | Traditional Robots.txt Tools |
|---|---|---|
| Robots.txt Validation | Advanced | Basic |
| AI Bot Access Check | Included | Usually missing |
| GEO Optimization | Included | Not supported |
| AI Visibility Focus | High | Low |
| Crawlability Insights | Actionable | Surface only |
| Technical SEO Recommendations | Included | Limited |
| Modern UI | Yes | Often outdated |
| SEO + AI Combined Analysis | Yes | No |
Educational SEO Content
Understand crawlability, robots.txt, and AI search access
What is robots.txt?
Robots.txt is a small file at the root of your website that tells crawlers which areas they are allowed to access. It is one of the first places Googlebot, Bingbot, GPTBot, and other bots check before crawling.
What is website crawlability?
Crawlability is whether a bot can reach and fetch a page. Indexability is whether that page is allowed to be indexed or referenced after access. You need both for strong SEO and AI search visibility.
Common robots.txt mistakes
Teams often block the entire site, block CSS or JavaScript files, omit sitemap references, misuse wildcards, or accidentally disallow important landing pages and product pages.
How AI crawlers use robots.txt
AI bots such as GPTBot, ClaudeBot, PerplexityBot, and Google-Extended still rely on access signals. If robots.txt blocks key public content, AI visibility and AI-powered search discoverability can weaken.
Internal Resources
Keep moving into the rest of RankNova
Use the crawl test as the first filter, then move into deeper technical SEO, AI visibility, GEO, and site-quality workflows.
FAQ
Common questions about crawlability, robots.txt, and AI bots
What is a website crawl test?
A website crawl test checks whether search engine and AI crawlers can access important pages on your site. It helps you spot crawl restrictions, blocked URLs, and technical issues that reduce discoverability.
What does robots.txt do?
Robots.txt tells crawlers which parts of your website they can or cannot access. It is often used to guide Googlebot, Bingbot, GPTBot, and other crawlers away from low-value or private sections.
Why is Google not crawling my website?
Common reasons include restrictive robots.txt rules, broken internal links, missing sitemaps, redirect problems, server issues, or pages that are hard for crawlers to reach or render.
Can AI crawlers access my website?
AI crawler access depends on your robots.txt directives, page accessibility, and site health. If important content is blocked or hard to crawl, platforms like ChatGPT, Perplexity, Claude, and Google AI systems may have less visibility into your website.
How do I fix blocked pages in robots.txt?
Review the Disallow rules that affect important URLs, remove overly broad restrictions, confirm assets like CSS and JavaScript are not blocked, and make sure your sitemap still points crawlers to valuable pages.
What is the difference between crawlability and indexability?
Crawlability is whether a bot can access a page. Indexability is whether the page is eligible to be indexed or referenced after access. A page can be crawlable but still fail indexability because of noindex directives or technical signals.
Does robots.txt affect AI visibility?
Yes. Robots.txt influences whether AI crawlers can access and understand your content. If public pages are blocked, your AI visibility and GEO readiness can drop even if the content is useful.
Which AI bots should I allow?
That depends on your content policy, but many websites review access for GPTBot, ChatGPT-User, ClaudeBot, PerplexityBot, Google-Extended, and Bingbot so important public content remains discoverable to modern search systems.
Can blocked resources affect SEO rankings?
Yes. Blocking CSS, JavaScript, images, or key content files can reduce how well search engines render and understand pages, which can hurt crawl efficiency, indexing, and rankings.
What happens if robots.txt is misconfigured?
A misconfigured robots.txt file can accidentally block your entire site, hide important pages from crawlers, weaken sitemap discovery, and reduce both traditional SEO visibility and AI search discoverability.
Final CTA
Improve Your SEO & AI Crawl Visibility
Check crawlability, validate robots.txt, and optimize your website for Google and AI-powered search systems.