Free SEO Tools and AI Search Checkers
Check your website, on-page SEO, AI search visibility, crawler access, and rendered page content with practical tools you can use for free.
Free SEO, AI Search, and Website Checkers
Website SEO Score Checker
Preview core SEO signals, then log in when deeper evidence is needed.
- Input
- Website URL
- Output
- Score, issues, and repair tasks
- Method
- Instant preview, with login for a deeper audit
- Best for
- Teams checking a site before SEO cleanup
On-Page SEO Checker
Audit one public page against target keywords to see whether its content, metadata, links, schema, and crawl signals support the topic.
- Input
- Page URL and target keywords
- Output
- Health score, keyword evidence, and ordered fixes
- Method
- Free live page scan, no login required
- Best for
- Teams improving a specific landing page or article
AI Search Visibility Checker
Review technical signals that affect answer-engine discovery and citation readiness.
- Input
- Website URL
- Output
- AI visibility score and blockers
- Method
- Login required before the full scan
- Best for
- Teams working on GEO and answer-engine visibility
AI Overview Citation Checker
See which domains Google AI Overviews cite for an English keyword, including citations that win outside the organic top 10.
- Input
- English keyword
- Output
- Cited domains, top-10 overlap, and citation openings
- Method
- Signed-in live US Google SERP and AI Overview citation comparison
- Best for
- Teams researching AI answer-engine source patterns
LLMs.txt Generator / Checker
Generate an llms.txt draft from product information or check an existing file in the browser.
- Input
- Product info or llms.txt
- Output
- Draft file or readiness checks
- Method
- Instant browser-side draft and checklist
- Best for
- Teams publishing an agent discovery file
Robots.txt AI Crawler Checker
Paste robots.txt and check whether major AI crawlers are allowed, blocked, or unclear.
- Input
- robots.txt content
- Output
- AI crawler access policy
- Method
- Instant robots.txt rule parsing
- Best for
- Teams deciding AI crawler access policy
Agent Readiness Score
Run a full agent-readiness audit: discoverability, content accessibility, bot access control, agent discovery, and commerce protocols.
- Input
- Website URL
- Output
- Score 0–100, grade A–F, and per-check guidance
- Method
- Live scan via Cloudflare URL Scanner
- Best for
- Teams preparing sites for AI agents and MCP clients
GEO Score Checker
Check how well your site is optimized for AI search engines across 14 dimensions and 54 signal checks.
- Input
- Website URL
- Output
- GEO score, grade, and per-dimension improvement tips
- Method
- Free public scan, no login required
- Best for
- Teams optimizing content for AI answer engines
Search engine crawler simulators + AI search crawler simulators
Crawler simulators
Search engine crawler simulators
Search Engine Crawler Simulator
Choose the search crawler that matches the visibility question you need to investigate.
- Input
- Public page URL
- Output
- Rendered text, links, and page signals
- Method
- Choose Googlebot, Bingbot, YandexBot, or Baiduspider
- Best for
- SEO and website teams
Googlebot Spider Simulator
See the rendered links a Googlebot Smartphone-style crawl can discover - then check duplicate targets, follow directives, and page signals that can affect internal link equity flow.
- Input
- Public page URL
- Output
- Mobile Googlebot report
- Method
- After publishing, make sure Googlebot can see your important pages and links
- Best for
- After publishing or redesigning a page
Bingbot Crawler Simulator for Live Page Checks
See the version of a public page that remains after loading, then review its copy, destinations, and technical details before a Bing-focused SEO review.
- Input
- Public page URL
- Output
- Bingbot live-page check
- Method
- Start a Bing investigation with the page people can open
- Best for
- A page is going into a multi-engine launch
YandexBot Simulator: Review the Final Version of a Page
Use a public URL to review what is actually delivered after loading—from the words on the page to links, canonical information, and robots directives.
- Input
- Public page URL
- Output
- YandexBot page snapshot
- Method
- See the page as a complete public document
- Best for
- Checking a translated page before release
Baiduspider Crawler Simulator for Chinese Web Pages
Put a public URL through a final-page check and review the Chinese copy, link paths, and page details that stay on the page after it loads.
- Input
- Public page URL
- Output
- Baiduspider public-page review
- Method
- Review the finished page before a Chinese-market handoff
- Best for
- A Chinese landing page is ready for review
AI search crawler simulators
AI Search Crawler Simulator
Choose the AI crawler that fits the public page and search visibility question you are reviewing.
- Input
- Public page URL
- Output
- Rendered text, links, and page signals
- Method
- Choose OpenAI, ChatGPT, Perplexity, or Claude
- Best for
- AI search and content teams
Check What OpenAI's Web Crawler Can Read on Your Page
Paste a public page URL to see whether your important content, internal links, and page signals remain visible after the page fully loads.
- Input
- Public page URL
- Output
- Your OpenAI crawler page report
- Method
- Find the issues a normal page preview can miss
- Best for
- Before publishing a new page
ChatGPT Crawler Simulator: Check Your Public Page
Before you send a URL to customers or include it in a ChatGPT workflow, inspect the final text, link paths, and page signals that remain once loading is done.
- Input
- Public page URL
- Output
- ChatGPT public-page check
- Method
- Confirm that the shared link still leads to a complete page
- Best for
- Sharing a product, help, or campaign URL
PerplexityBot Simulator for Public Content Checks
Check the finished version of an article, guide, or webpage: its visible explanation, source paths, repeated links, and page declarations in one place.
- Input
- Public page URL
- Output
- PerplexityBot content snapshot
- Method
- Trace the explanation and the paths around it
- Best for
- Before publishing an article or resource
Claude Search Bot Simulator: Inspect a Public URL
Inspect the finished version of a help page, article, or documentation URL and see the text, links, and page details that remain after loading.
- Input
- Public page URL
- Output
- Claude Search public-page record
- Method
- Review the page as a reader receives it
- Best for
- A help article or guide is about to be published