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On-page SEO

Meta Tags AnalyzerSERP Snippet PreviewHeading Structure CheckerImage Alt Text CheckerOpen Graph & Social Preview CheckerStructured Data ValidatorCanonical Tag CheckerLink AnalyzerHreflang Checker

Technical SEO

Full Site Audit (Crawler)Robots.txt TesterXML Sitemap CheckerRedirect CheckerBulk HTTP Status CheckerHTTP Headers CheckerBroken Link CheckerIndexability CheckerMobile-Friendly CheckerJavaScript SEO Checker

Speed & performance

Page Speed TestCore Web Vitals CheckerServer Response Time (TTFB) TestPage Size CheckerGzip & Brotli Compression TestHTTP/2 & HTTP/3 CheckerCSS MinifierJavaScript Minifier

Content & keywords

Keyword Density CheckerKeyword Suggestion ToolWord CounterReadability CheckerText to HTML Ratio CheckerURL Slug GeneratorCase Converter

Generators

Meta Tag GeneratorRobots.txt GeneratorSchema Markup GeneratorOpen Graph GeneratorXML Sitemap GeneratorRedirect Generator (.htaccess & Nginx)Hreflang Tag GeneratorUTM Campaign URL Builderllms.txt Generator

Domain & security

SSL Certificate CheckerSecurity Headers CheckerDNS LookupWHOIS / Domain LookupDomain Age CheckerMixed Content CheckerWebsite IP & Hosting LookupWebsite Technology Checker

AI search & AI writing

AI Search Readiness CheckerAI Title & Meta Description GeneratorAI FAQ & Schema GeneratorAI Content Brief GeneratorAI Content OptimizerAI SEO Page ReviewerAI Search Intent & Page MatchAI Competitor Content Gap

Technical SEO

robots.txt

Critical blocker when it fails hard fix high confidence Weight 4

Why it matters

robots.txt controls which parts of a site crawlers may visit. A wrong Disallow rule can block important pages from Google; a missing file is fine but wastes the chance to list your sitemap.

How to fix it

  1. Make sure no Disallow rule blocks pages that should rank.
  2. Add a “Sitemap:” line pointing to your XML sitemap.
  3. Test changes before publishing them.

Check it with

  • Robots.txt Tester – Fetch and validate robots.txt, and test whether any URL is blocked for Googlebot or AI bots.
  • Robots.txt Generator – Build a robots.txt file with sitemap, blocked folders and AI crawler controls.

Scoring: a passed check earns its full weight, a warning half and an error none. How the SEO score works

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