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AI Search14 min read11 September 2026

Best AI Readiness Checkers 2026: Which One Do You Need

A dozen free AI readiness checkers all give you a score out of 100. Here is how they really differ, and how to pick the one that fits your next step.

By AI Schema Gen Team

Search "AI readiness checker" and you get a wall of tools that look identical. Paste a URL, wait a few seconds, get a score out of 100, see a short list of things to fix. Most are free. Most want your email. Most have a name that is some arrangement of the words AI, readiness, check and score.

They are not the same tool. Underneath the matching layout they differ in two ways that decide whether one is any use to you, and neither shows up in a feature list. The first is what the checker can actually see from where it stands. The second is what it lets you do once it has told you the score.

We make one of these. It is the last one on the list below, and this piece sends you to other tools for at least half of the situations covered, because for a lot of them another tool is the better answer. Here is how the field actually breaks down.

A score is not a checker

Every tool here produces a number. Producing the number is the easy part. You point a crawler at a site, check for a sitemap, look for schema markup, read the headings, note whether the page needs JavaScript to show anything, add it up, and print a percentage. The checks are well understood and the tools mostly agree on what they are.

So the score is close to a commodity. Two things are not.

Where the checker is standing. A tool that reads one page in your browser sees a different picture from one that crawls your whole site, and both see a different picture from one that also asks a real AI model what it thinks your business does. A score of 82 from a single-page extension and a score of 82 from a full-site crawl are not the same claim, even though they look the same on screen.

What happens after the number. Some tools hand you the score and a checklist and stop. Some add monitoring, so you find out when the number moves. A few connect the findings to something that changes your site. The gap between "here is what is wrong" and "here is the wrong thing, now fixed" is the entire distance between a diagnostic and a tool you keep using.

Sort the field by those two things and the dozen near-identical results become three clearly different kinds of product.

What an outside checker can and cannot see

Almost every tool in this category is an outside observer. You give it a URL, it fetches your pages the way a crawler would, and it reports on what came back. That vantage point catches a lot:

  • whether a crawler can reach your pages at all, and whether robots.txt or a noindex tag is blocking them
  • whether your sitemap exists and resolves
  • whether the page shows its content in the raw HTML or only after JavaScript runs
  • whether schema markup is present, and whether it is valid on its own
  • headings, page titles, meta descriptions, image alt text
  • whether an llms.txt file exists

That list is genuinely worth having, and if you have never checked any of it, a free scan will probably find something.

Here is what an outside checker, by its nature, cannot see:

  • Whether your business identity holds together across the whole site. A single page can have clean Organization markup while three other pages disagree about your name, your address or who runs the company. Catching that needs the tool to read every page and compare them, and most stop at a sample.
  • Whether an AI model actually gets your business right. The only way to know is to ask one. A checker that never sends a question to ChatGPT or Gemini is guessing at the outcome from the inputs.
  • Whether a fix worked. A checker that ran once in your browser has no idea what you changed afterwards, or whether it published, or whether your next deploy quietly removed it.

None of that makes the outside view useless. It makes it a starting point rather than the whole job, and it means the tools that only ever take the outside view are answering a narrower question than their score implies. The difference between a technical pass and an AI actually understanding you is exactly what a readiness score can miss, and it is worth knowing which side of that line a given checker sits on.

The three kinds of AI readiness checker

Kind one: the score, and nothing else

These are the tools that fill the search results. A form, a scan, a number, a checklist, and that is the product. They are usually free, sometimes ask for an email to show the full report, and often exist as a lead magnet for an agency or a bigger platform.

Worth knowing by name:

  • aireadinesschecker.com scans for llms.txt, agents.json, robots.txt rules and schema markup, and shows three free scans a day in exchange for an email. It is run by an agency called HeyTony. Short, fast, and it stops at the report.
  • Pixelmojo's AI Readiness Score is free with no email and splits the result into five weighted categories: bot discoverability, structured data, LLM communication, content accessibility and cross-signal readiness. It gives you a prioritised list of what to change and leaves the changing to you.
  • Glippy's checker runs entirely in your browser, no signup, and reports 240-plus factors across 16 categories with a letter grade. It also ships a desktop app and an MCP server that can run the same audit across a whole sitemap, which is unusual at this end of the market. Still diagnostic only.
  • Browser-extension checkers in general belong here. They are convenient because they score the page you are looking at, including staging sites and pages behind a login, but they see one page at a time and a per-page score is not a site score.

What this kind is good for: a fast gut check. If you have never looked at any of this, thirty seconds with one of these tells you whether you have a problem worth taking seriously. Run two or three of them, ignore the exact numbers, and look at what they agree on.

Where it stops: it hands you a to-do list and wishes you luck. If you already know your site has gaps, another scan confirming it is not progress.

Kind two: the score, plus a watch

The next group adds monitoring. You still get the audit, but the product you are paying for is the tool checking again on a schedule and telling you when something changed, or tracking whether AI engines are actually citing you.

  • Rank Prompt offers a free no-signup readiness checker as the front door to a platform that tracks brand mentions across six AI engines, runs citation outreach, and produces scheduled reports.
  • Geoptie gives a free six-part GEO audit, then sells continuous monitoring, a rank tracker and a content checker.
  • LucidRank pairs an eight-factor readiness audit with rank tracking across ChatGPT, Gemini and Claude, and a competitive view of how those models describe you versus rivals.
  • Siteline focuses tightly on whether AI agents and crawlers can reach your site, then sells agent analytics and visibility tracking on top.

What this kind is good for: you have done the work, or you are actively doing it, and you need to know whether it is moving the needle. Monitoring answers "has it changed since last week," which is a real question once there is something to watch.

Where it stops: monitoring is pointed at the outcome, not at your site. It tells you the number dropped. It does not fix the reason. And much of what these tools track is AI visibility rather than readiness, which is a different measurement with a different purpose. If what you want is the weekly citation number, compare these against dedicated visibility trackers before you decide.

Kind three: the score, plus the work

The smallest group connects the findings to something that changes your site.

  • Frase is a content platform first. Its free agent-readiness checker scores a page, and inside the paid product (from about $39 a month billed yearly on its pricing page, a seven-day trial with no permanent free tier) an agent drafts content fixes in your voice and publishes them to your CMS. The fixes are content, not structured data.
  • Citation Rocket audits, then hands over a ZIP of ready-to-install files: llms.txt, schema snippets and more. Its plans run from a free tier with one audit a month, a fix playbook and the file pack, to paid plans from $49 a month that add domains and monitoring. You still deploy the files yourself, and generated files are only as good as the information that went into them, so check them before they go live.
  • Schema-focused plugins such as Schema Pilot AI and Schema Monster generate and apply structured data directly, usually inside WordPress. They cover the Understand side well and do not attempt the crawlability or answer-quality side.
  • AI Schema Gen, ours, runs the full four-part check, then connects each finding to a fix: it generates missing markup across the site, asks you once for the facts it needs and writes them into every page, and after a fix it re-reads the affected pages to confirm the change actually landed. Then it re-checks weekly so a regression shows up on its own. This is the full readiness loop rather than a single scan.

What this kind is good for: you know there are gaps and you want them closed, not just listed.

Where it stops: each tool here is strong on one part of the job. Frase on content, Citation Rocket on files, the schema plugins and ours on structured data and entity consistency. None of them, ours included, can promise that any of this results in an AI citing you.

The scorecard

ToolKindWhat it checksWhat you do nextFree tier
aireadinesschecker.comScore onlyDiscovery files, schemaRead the checklistYes, 3/day, email
Pixelmojo AI Readiness ScoreScore only5 weighted categoriesFollow the roadmapYes, no email
GlippyScore only240+ factors, 16 categories, sitemap via MCPFollow recommendationsYes, no signup
AEO Tester and similarScore onlyOn-page AEO signalsRead the reportYes
Browser-extension checkersScore onlyOne page at a timeRead the reportUsually
Rank PromptScore + watchRobots, schema, meta, then citation trackingMonitor and outreachFree checker
GeoptieScore + watch6-part GEO audit, then monitoringWatch the scoreFree audit
LucidRankScore + watch8 factors, then rank trackingWatch and compareFree audit
SitelineScore + watchAgent and crawler access, then analyticsWatch agent trafficFree check
FraseScore + workPage readiness, then contentAgent drafts and publishes contentTrial only
Citation RocketScore + workAudit, then generated filesDeploy the file packFree, 1 audit/mo
AI Schema GenScore + workFull 4-part checkFix, verify, monitor the loopFree check, 30 fixes/mo

Prices and tiers in this category change often. Confirm current terms on each tool's own site before deciding.

How to choose, in one question

Ask yourself: do I already know what is wrong, or do I need to find out and then fix it?

You have never checked and just want to know where you stand. Any kind-one tool. Run two or three free scans, look at what they agree on, and do not pay for anything yet. The score itself is not worth money.

You know roughly what is wrong and want to track whether your work is helping. A kind-two tool, or a dedicated AI visibility tracker if what you care about is citations specifically. Do not buy monitoring before you have started the work, because the number will sit still and you will have paid for a flat line.

You know there are gaps and you want them closed. A kind-three tool, matched to the kind of gap. Content thin or missing: Frase. No developer and you want files handed to you: Citation Rocket. Structured data and business-identity gaps across a lot of pages: a schema tool or ours. Gaps across all four areas and you want one place to work through them: that is the case we would make for ours.

You are not on WordPress and your site is a custom or headless build. Most of the plugins do not apply. The check still works on any public URL; the fixing is a developer job, and our guides to schema on Next.js and other frameworks cover that side.

What no AI readiness checker can tell you

Whether you will get cited. No tool in any of the three kinds can promise that a model will mention you, and any that attaches a percentage to it is quoting a number nobody has established. Fixing what a check finds removes the reasons an AI gets you wrong. Whether it then picks you up depends on things no tool controls. We went through what the evidence supports for structured data specifically, and the honest answer is narrower than the marketing.

Whether your content is worth citing. A checker reads structure, not substance. A page can pass every technical check and still say nothing an AI would want to repeat.

Whether the number is good. There is no industry benchmark. A 71 from one tool and a 71 from another are not the same grade, because they weigh different things. Watch one tool's number move over time; do not compare across tools.

Common mistakes

Trusting a score whose working you cannot see. If a tool gives you a number and will not show which checks produced it and what each one found, you cannot act on it and neither can the tool's support team. Prefer the checkers that show their evidence.

Picking the tool with the most checks. One checker advertises 240-plus factors, another 80-plus, another 21. The number correlates with nothing. Fifty checks that matter beat two hundred that do not.

Reading a browser extension's page score as a site score. An extension scores the page in front of you. Your homepage scoring 90 tells you very little about the 200 other pages, and the entity-consistency problems that hurt most only show up when a tool compares pages against each other.

Assuming "no issues found" means an AI understands you. It means the technical checks passed. Whether a model asked about your business by name gets the answer right is a separate test, and most checkers never run it.

Frequently Asked Questions


Once a checker has shown you the gaps, the next step is closing them. Run a free AI readiness check to see the four-part breakdown, the evidence behind each finding, and which gaps can be fixed in a click.

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