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Free SEO Tools

Every tool free. No signup to try.

The checks agencies charge for, in 30 seconds each: technical audits, content grading, schema validation and the new generation of AI visibility tools.

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SEO Audit.

A 0–100 technical SEO score in 30 seconds: crawlability, meta, Core Web Vitals, structured data and fixes for every finding.

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Content Trust Score.

Grade any page the way Google reads it — E-E-A-T, topic coverage, structure and AI citability, with the exact edits that lift it.

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AI Visibility Checker.

Can ChatGPT, Claude and Perplexity see your site? Test 8 AI crawlers, llms.txt and citability — scored 0–100.

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Schema Validator.

Every JSON-LD block on the page: syntax errors, missing required fields and the rich results you could unlock.

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SERP Snippet Preview.

See your title and meta description in Google before publishing — pixel-accurate truncation, desktop and mobile.

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llms.txt Generator.

Generate a spec-compliant llms.txt from your sitemap — the curated map AI agents look for. Copy, download, deploy.

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Competitor Gap Analysis.

Keyword overlap, content gaps and technical health, head-to-head against the sites that outrank you.

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Meta Tag Checker.

Title, description, canonical, robots and social tags — with pixel/character lengths and the fixes that matter.

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Social Share Preview.

See your page as a Facebook, LinkedIn and X card, live — with the Open Graph and Twitter tags to fix.

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Heading Analyzer.

Your full H1–H6 outline, with skipped levels, multiple H1s and empty headings flagged for crawling and AI extraction.

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Image Alt Checker.

Every image with its alt text — missing, empty or over-long — plus images missing dimensions that shift your layout.

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Schema Generator.

Build valid JSON-LD for Organization, Product, Article, FAQ and more — copy or download, ready to paste.

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Robots.txt Tester.

Test any path against Googlebot and 8 AI crawlers, read every group and catch the Disallow that hides your site.

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Hreflang Checker.

Validate every hreflang: invalid codes, missing x-default, duplicates and broken URLs that break international SEO.

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Redirect & Canonical Checker.

Trace the full redirect chain hop by hop: loops, HTTP→HTTPS, chain length and a canonical-tag match.

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Broken Link Checker.

Test every internal and external link on a page — we flag 404s, 5xx errors and timeouts, scored 0–100.

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Sitemap Validator.

Find and validate your XML sitemap: structure, URL count, sitemap-index recursion and the issues search engines choke on.

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Security Header Checker.

Grade your HTTP security headers A–F: HSTS, CSP, X-Frame-Options and more, each with how to add it.

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llms.txt Validator.

Check your existing /llms.txt line by line against the llmstxt.org spec — H1, summary, sections, links, malformed lines.

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Keyword Density Analyzer.

Paste text and see word counts, reading time and top 1–3 word phrase frequency, with over-optimization flags.

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Readability Scorer.

Flesch Reading Ease and grade level for any text, with sentence and syllable stats and a plain-English verdict.

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UTM Campaign Builder.

Assemble correctly-encoded UTM tracking URLs for your campaigns — source, medium, campaign and more. Copy and go.

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Slug Generator.

Turn any title into a clean, SEO-friendly URL slug — diacritics stripped, stop-words optional, ready to copy.

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Coming next

Soon

Website Authority Checker.

Domain authority score for any site — yours or a competitor’s.

Soon

Traffic Checker.

Estimated organic traffic and top pages for any domain.

Soon

Keyword Generator.

Keyword ideas with volume and difficulty from one seed term.

Soon

Backlink Checker.

Top backlinks and referring domains for any URL.

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