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
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
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
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
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
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
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
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
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
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
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
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.
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.
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.
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 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.
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.
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.
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.
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