100% free
Free SEO Tools
A suite of instant SEO diagnostics — no signup required. The tools open in our French interface, but they work on any website worldwide.
Meta Tags Checker
Inspect title, description, Open Graph and Twitter Card tags on any page.
Open toolCore Web Vitals Tester
Measure LCP, INP and CLS with color-coded thresholds and fixes.
Open toolSpeed Test
Get PageSpeed scores, response time and Core Web Vitals for any URL.
Open toolSchema.org Validator
Detect and validate the JSON-LD structured data on your site.
Open toolBroken Link Scanner
Scan a page and find every broken link — up to 50 checked at once.
Open toolSERP Preview
See how your page will look in Google — desktop and mobile.
Open toolSSL Checker
Check your SSL certificate: validity, expiry, issuer, protocol and HSTS.
Open toolrobots.txt Tester
Verify that your robots.txt file is correctly configured.
Open toolOpen Graph Tester
Preview your OG and Twitter Cards on Facebook, X and LinkedIn.
Open toolHeading Extractor
Analyze your H1–H6 structure: multiple H1s, skipped levels, hierarchy.
Open toolRedirect Tester
Follow the redirect chain: loops, 301/302 codes and overlong chains.
Open toolSitemap Checker
Analyze your XML sitemap: URLs, duplicates, missing dates and 404s.
Open toolE-E-A-T Score
Score your page on Experience, Expertise, Authority and Trust.
Open toolContent Audit
Word count, text/HTML ratio, images, links and keyword density.
Open toolCompetitor Analyzer
Compare two sites side by side: PageSpeed, meta, security, response time.
Open toolSEO ROI Calculator
Estimate the extra revenue better rankings could bring you.
Open toolMeta Tags Generator
Generate SEO-optimized title and description tags with AI.
Open toolLocal Schema Generator
Generate LocalBusiness Schema.org markup for your business.
Open toolSitemap Generator
Create a valid sitemap.xml file in seconds.
Open toolKeyword Density
Measure keyword density and presence in title, H1, meta and alt text.
Open toolCanonical Checker
Compare canonical tags across two URLs. Spot redirects and duplicates.
Open toolMobile vs Desktop Speed
Compare PageSpeed scores on mobile and desktop side by side.
Open toolNeed the full picture?
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