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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

HTTP status

Critical blocker when it fails hard fix high confidence Weight 10

Why it matters

Only pages that return HTTP 200 can be indexed. Error codes (4xx, 5xx) keep the page out of search and tell visitors something is broken.

How to fix it

  1. Make sure the URL returns 200 OK.
  2. Fix server errors (5xx) in your hosting or application logs.
  3. For moved pages use a 301 redirect; for removed pages a 404 or 410 is correct.

Check it with

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

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