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Product
See the full growth workflowFind your next growth opportunityGive every draft brand contextCreate content worth publishingPublish to your CMS with controlLearn what to improve next
Solutions
All SolutionsTraffic Growth SystemSEO AutomationSEO Opportunity IntelligenceContent OperationsCompetitive Growth MonitoringAI Search VisibilityGEOAgent Readiness
Free Tools
All ToolsWebsite SEO Score CheckerOn-Page SEO CheckerBest Tools List DebiaserAI Search Visibility CheckerGEO Score CheckerAgent Readiness ScoreOne-page GEO Citation Audit
Resources
BlogExtensionsDownloadSEO GuidesGEO and AI Search GuidesAEO Guides
Pricing
Product
See the full growth workflowFind your next growth opportunityGive every draft brand contextCreate content worth publishingPublish to your CMS with controlLearn what to improve next
Solutions
All SolutionsTraffic Growth SystemSEO AutomationSEO Opportunity IntelligenceContent OperationsCompetitive Growth MonitoringAI Search VisibilityGEOAgent Readiness
Free Tools
All ToolsWebsite SEO Score CheckerOn-Page SEO CheckerBest Tools List DebiaserAI Search Visibility CheckerGEO Score CheckerAgent Readiness ScoreOne-page GEO Citation Audit
Resources
BlogExtensionsDownloadSEO GuidesGEO and AI Search GuidesAEO Guides
Pricing
Free SEO tools and AI SEO checkers

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

SEO audit

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
Open tool
Page SEO audit

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
Open tool
Landing page audit

Landing Page Audit

Find the audience, value, proof, and conversion gaps that make a landing page harder to act on.

Input
Public landing page URL
Output
Evidence-backed conversion risks and next tests
Method
Mobile-first page review; login required
Best for
Teams improving a landing page before a campaign or rewrite
Open tool
One-page GEO citation audit

One-page GEO citation audit

Audit one article, product page, or public webpage for the identity, sources, user evidence, and claim support that AI search systems can evaluate before quoting it.

Input
Paste a public page URL
Output
Citation readiness report
Method
Login required
Best for
Give your editor or AI the full evidence trail
Open tool
Best Tools List DebiaserAI citation check

Best Tools List Debiaser

Check whether your Best X list helps AI cite competitors while your product is left out.

Input
Best X keyword and product domain
Output
Related article, cited brands, and your citation gap
Method
Bounded live check, account required for the full result
Best for
Teams reviewing a comparison article before investing in a rewrite
Open tool
GEO visibility

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
Open tool
AI citations

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
Open tool
Agent discovery

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
Open tool
Crawler access

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
Open tool
Agent readiness

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
Open tool
GEO audit

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
Open tool
Google Index Freshness CheckerIndex freshness

Google Index Freshness Checker

See whether Google still accepts new pages from a domain before you buy backlinks or worry about a penalty.

Input
Domain
Output
Index state, fresh pages, recent timestamps
Method
Login required
Best for
Vetting backlink opportunities and own-site index health
Open tool
Status checker

HTTP Status Code Checker

Batch-check up to 20 URLs for status codes, redirect chains, response headers, and timing — then export the results to CSV.

Input
Up to 20 URLs
Output
Status, redirect chain, headers & timing
Method
Free live checks as Googlebot; quick challenge before each run
Best for
SEO and website teams
Open tool
Free Googlebot test

Googlebot Test: Check Whether Your Page Is Ready to Be Crawled

Test one public page in a Googlebot Smartphone-style browser and quickly see the page signals worth fixing before you publish or investigate an indexing issue.

Input
Page URL to test
Output
Googlebot test result
Method
A faster way to check crawl-ready page signals
Best for
Start with one public page
Open tool
Free URL redirect checker

URL Redirect Checker: Trace Every Hop Before Your Visitors Do

Check one URL before a migration, campaign launch, or canonical cleanup. See the redirects, response codes, and final destination in a clear chain.

Input
URL to check
Output
Redirect check result
Method
Verify redirects before they become an SEO problem
Best for
See where a URL really goes
Open tool
Free website text extractor

Website Text Extractor: Read the Text Your Rendered Page Exposes

Extract the readable text from one public page after JavaScript loads. Use it to check whether important copy is actually present, complete, and ready to be found.

Input
Website page URL
Output
Extracted website text
Method
Get the text after the page has finished rendering
Best for
Extract the words that make it onto the page
Open tool
Free website link extractor

Website Link Extractor: Find Every Rendered Internal and External Link

Extract the links a rendered page exposes, then filter by destination type and follow signal. It is a fast way to spot link gaps, repeated URLs, and unexpected nofollow attributes.

Input
Website page URL
Output
Extracted website links
Method
Inspect the links that actually appear after rendering
Best for
Inspect links after the page renders
Open tool
Free canonical tag checker

Canonical Tag Checker: Confirm the URL Search Engines Should Prefer

Check one public page before publishing, migrating, or investigating duplicate-content signals. See the rendered canonical tag beside the final page URL.

Input
Public URL to check
Output
Canonical tag report
Method
Choose the right canonical URL with evidence
Best for
Submit one public URL to receive a focused technical SEO report.
Open tool
Free HTTP header checker

HTTP Header Checker: See the Response Signals Behind Your Page

Inspect one public URL without a full site crawl. Check the response headers that affect caching, content handling, and crawler instructions.

Input
Public URL to check
Output
HTTP header report
Method
Turn an opaque server response into an actionable check
Best for
Submit one public URL to receive a focused technical SEO report.
Open tool
Free hreflang checker

Hreflang Checker: Review the Language Versions Your Page Declares

See the alternate-language links present after rendering so you can spot duplicate, missing, or unexpected hreflang declarations before international pages compete with each other.

Input
Public URL to check
Output
Hreflang report
Method
Keep international page signals clear
Best for
Submit one public URL to receive a focused technical SEO report.
Open tool
Free meta tag checker

Meta Tag Checker: Review the Page Summary Searchers Can Read

Check the rendered metadata on one public page when you publish, refresh, or troubleshoot a search result that no longer describes your page clearly.

Input
Public URL to check
Output
Meta tag report
Method
Check the essentials before a page ships
Best for
Submit one public URL to receive a focused technical SEO report.
Open tool
Free social media link preview

Open Graph Checker: Preview Your Link Before You Post

A weak link preview can bury your message. Paste any public page URL to see the title, description, image, and destination people can encounter when you share it.

Input
Public URL to check
Output
Your social share preview
Method
Make a strong first impression every time your link is shared
Best for
See exactly what people can encounter when your link is posted on Facebook, LinkedIn, X, or Discord.
Open tool
Free schema markup checker

Schema Markup Checker: See the Structured Data Your Page Publishes

Find JSON-LD after the page renders, identify its declared Schema.org types, and surface malformed blocks before you hand the page to a richer validation workflow.

Input
Public URL to check
Output
Schema markup report
Method
Make structured data visible before it becomes a mystery
Best for
Submit one public URL to receive a focused technical SEO report.
Open tool
Free website status checker

Website Status Checker: Confirm What Your URL Returns Right Now

Check one URL when a launch, migration, campaign, or indexing issue leaves you wondering what visitors and crawlers actually receive.

Input
Public URL to check
Output
Website status report
Method
Answer the first question in every technical SEO diagnosis
Best for
Submit one public URL to receive a focused technical SEO report.
Open tool
Free XML sitemap checker

XML Sitemap Checker: Check One Sitemap Before You Rely on It

Paste the direct URL of an XML sitemap to inspect its format, top-level entries, duplicate locations, and basic delivery signals. It never crawls the URLs inside.

Input
Public URL to check
Output
XML sitemap report
Method
Validate the file that introduces your important URLs
Best for
Submit one public URL to receive a focused technical SEO report.
Open tool

Search engine crawler simulators + AI search crawler simulators

Crawler simulators

Search engine crawler simulators

Crawler collection

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
Open tool
Free Googlebot link crawl check

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
Open tool
Free Bingbot page check

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
Open tool
Free YandexBot page simulator

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
Open tool
Free Baiduspider content check

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
Open tool

AI search crawler simulators

Crawler collection

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
Open tool
Free OpenAI crawler simulator

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
Open tool
Free ChatGPT website check

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
Open tool
Free PerplexityBot page review

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
Open tool
Free Claude Search page check

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
Open tool
AuspiaAuspia

AI SEO and AI Search growth, from a useful signal to a reviewed next action.

Felo Inc.
10F Shin-Marunouchi Building
1-5-1 Marunouchi, Chiyoda-ku
Tokyo 100-6510, Japan

Product

  • See the full growth workflow
  • Find your next growth opportunity
  • Give every draft brand context
  • Create content worth publishing
  • Publish to your CMS with control
  • Learn what to improve next
  • Pricing

Solutions

  • All Solutions
  • Traffic Growth System
  • SEO Automation
  • SEO Opportunity Intelligence
  • Content Operations
  • Competitive Growth Monitoring
  • AI Search Visibility
  • GEO
  • Agent Readiness

Free Tools

  • All Tools
  • Website SEO Score Checker
  • On-Page SEO Checker
  • Best Tools List Debiaser
  • AI Search Visibility Checker
  • GEO Score Checker
  • Agent Readiness Score
  • One-page GEO Citation Audit

Resources

  • Blog
  • Extensions
  • Download
  • SEO Guides
  • GEO and AI Search Guides
  • AEO Guides

Company

  • About us
  • Partners
  • Contact us
  • Privacy Policy
  • Terms of Service
  • SCTA
Product+
  • See the full growth workflow
  • Find your next growth opportunity
  • Give every draft brand context
  • Create content worth publishing
  • Publish to your CMS with control
  • Learn what to improve next
  • Pricing
Solutions+
  • All Solutions
  • Traffic Growth System
  • SEO Automation
  • SEO Opportunity Intelligence
  • Content Operations
  • Competitive Growth Monitoring
  • AI Search Visibility
  • GEO
  • Agent Readiness
Free Tools+
  • All Tools
  • Website SEO Score Checker
  • On-Page SEO Checker
  • Best Tools List Debiaser
  • AI Search Visibility Checker
  • GEO Score Checker
  • Agent Readiness Score
  • One-page GEO Citation Audit
Resources+
  • Blog
  • Extensions
  • Download
  • SEO Guides
  • GEO and AI Search Guides
  • AEO Guides
Company+
  • About us
  • Partners
  • Contact us
  • Privacy Policy
  • Terms of Service
  • SCTA

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