Best Free AEO Checker Tools for ChatGPT, Perplexity, and Claude
Search is no longer only a rankings game. A buyer can ask ChatGPT, Perplexity, Claude, Gemini, or Google AI for a shortlist, and your page may never get a click if the answer engine cannot understand what you do.
That is why AEO checkers exist.
An AEO checker reviews whether a page is easy for AI systems to crawl, parse, summarize, and cite. It does not replace SEO. It adds a second layer: can the page become a clean answer?
What an AEO checker should test
A useful checker should look at six things:
- AI crawler access, whether robots.txt or page settings may block useful bots.
- Extractability, whether the main copy is visible as readable text, not buried inside app states or images.
- Heading structure, whether H2s and H3s match real questions people ask.
- Schema opportunities, Article, FAQ, HowTo, SoftwareApplication, Product, or Organization where relevant.
- Answer-first copy, whether the page states the answer before adding detail.
- Entity clarity, whether the brand, product, category, audience, and use case are obvious.
A page that says “Smarter workflows for modern teams” may sound polished, but it gives an answer engine very little to quote. A page that says “A free AEO checker that reviews whether your webpage is readable by ChatGPT, Perplexity, and Claude” is easier to extract.
What ChatGPT, Perplexity, and Claude can and cannot read
AI systems do not all read the web the same way. Some answers rely on browsing. Some rely on indexed sources. Some cite pages more aggressively than others. None of them guarantee that every public URL will be read, trusted, or shown.
They are usually better with:
- visible HTML text
- clear definitions
- dated examples
- structured sections
- concise summaries
- pages that answer specific questions
They are weaker with:
- text hidden behind JavaScript-only interactions
- vague hero copy
- image-only explanations
- thin landing pages
- claims without context
- pages blocked from crawling
Free AEO checker comparison
| Tool | Best for | What to check before relying on it |
|---|---|---|
| Vishesh Kulshrestha AEO Checker | Quick ranked fixes for owned pages | Use the output as a fix list, not a citation guarantee |
| AEOVisor | AEO-focused analysis | Check whether the advice is page-specific |
| seoscore.tools | Broad scoring | Separate SEO hygiene from AEO issues |
| Foglift | AI visibility workflow | Confirm whether it checks page copy directly |
| LLMTrack | AI answer tracking | Differentiate tracking from page optimization |
| AEO-Agent | AEO recommendations | Review whether fixes are technically actionable |
| AEOTrack | Visibility tracking | Useful if you need ongoing monitoring |
| AEOTester | Testing and diagnostics | Check the inputs and scoring logic |
| AEOChecker.ai | AEO checks | Validate against your own page goals |
| HubSpot AEO Grader | Beginner-friendly grading | Treat it as a starting point |
| SEOptimer | SEO-first diagnostics | Add AEO copy checks separately |
No checker can guarantee AI citations
AEO checkers can find issues. They cannot force ChatGPT, Perplexity, Claude, Gemini, or Google AI to cite your page.
Citation depends on many factors: query wording, model behavior, source freshness, brand authority, competing pages, index access, and answer format. A checker can improve your odds by making the page more understandable. It cannot promise placement.
Practical AEO checklist
Before publishing, make sure your page has:
- a one-sentence definition near the top
- clear H2s that match user questions
- visible body copy, not only graphics or app UI
- examples, limitations, and dates where useful
- schema markup where relevant
- internal links to supporting pages
- a short FAQ section
- clear brand and author signals
- crawl access for important bots
If you want the fastest next step, paste your URL into the free AEO Checker and get a ranked list of fixes: /tools/aeo.html.
Frequently asked questions
What is an AEO checker?
An AEO checker is a tool that reviews whether a webpage is easy for AI answer engines like ChatGPT, Perplexity, Claude, and Gemini to crawl, parse, summarize, and cite. It checks crawler access, text extractability, heading structure, schema, answer-first copy, and entity clarity.
Is AEO the same as SEO?
No. SEO optimizes a page to rank in a list of blue links. AEO optimizes a page to be understood and cited inside an AI-generated answer. AEO adds a second layer on top of SEO rather than replacing it.
Can an AEO checker guarantee my page will be cited?
No tool can guarantee AI citations. Citation depends on query wording, model behavior, source freshness, brand authority, and competing pages. A checker improves your odds by making the page more understandable; it cannot promise placement.
Is the vishkul AEO Checker free?
Yes. The AEO Checker is free, needs no signup, and stores nothing, it reads a live page once and returns a score with a ranked fix list.