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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

On-page SEO

Indexability

Critical blocker when it fails medium fix high confidence Weight 10

Why it matters

A noindex directive in a robots meta tag or X-Robots-Tag header removes the page from search results. It is a common cause of pages disappearing after a site launch or redesign.

How to fix it

  1. Remove “noindex” from pages that should appear in search.
  2. Check both the HTML robots meta tag and the X-Robots-Tag HTTP header.
  3. Keep noindex only for pages you deliberately want out of search (thank-you pages, internal search).

Check it with

  • HTTP Headers Checker – View all HTTP response headers for a URL, with notes on the ones that matter for SEO.
  • Meta Tags Analyzer – Check the title, description, robots, canonical and every other meta tag on a page.

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

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