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SEOWebChecker

The #1 Free SEO Checker — Run 50+ SEO Checks: Technical SEO, On-Page Validation, Core Web Vitals & More·seowebchecker.com

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SEOWebChecker is a web-based SEO audit tool that runs 50+ automated checks across 25 categories covering technical SEO, on-page factors, Core Web Vitals, security headers, mobile optimization, schema markup and backlink profile. It produces a scored, downloadable PDF report with actionable recommendations. Beyond the free audit, the platform also offers paid plans with AI-powered keyword research, competitor analysis, backlink monitoring and rank tracking, alongside a large collection of additional free SEO, security and developer tools.

What it's for

Running a full SEO audit of a websiteChecking technical SEO health (crawlability, robots.txt, sitemaps)Validating on-page SEO factors (meta tags, headings, alt text)Assessing Core Web Vitals performanceChecking mobile-friendlinessAnalyzing competitors' SEO strategiesTracking keyword rankingsMonitoring backlink profilesGenerating content optimization recommendations

Features 19

50+ automated SEO checks across 25 categories
AI-powered keyword research
API access (Enterprise)
Backlink monitoring
Competitor analysis
Content optimization suggestions
Core Web Vitals assessment (LCP, FID/INP, CLS)
Custom reporting dashboard (Enterprise)
Dedicated account manager (Enterprise)
Mobile optimization check
No registration required for the free audit
On-page SEO validation (meta tags, headings, alt text, canonical tags)
PDF export of the audit report
Rank tracking
Schema markup / structured data validation
Security headers analysis
Technical SEO analysis (crawlability, indexing, robots.txt, sitemaps)
Weekly performance reports
White-label reports (Enterprise)

At a glance

free tierfree trialAPI

TypeWeb app

DeploymentCloud

PlatformsWeb

LanguagesEnglish, French, Spanish, German

Forwebsite owners, digital marketers, SEO professionals, small and medium businesses

Integrations

Google Search Console

Pricing

Enterprise plan pricing is custom and only available by contacting sales. A 7-day free trial is offered for the Premium plan.

FreeFree

Website SEO Audit (5 sites), Basic Keyword Research (50 keywords), Site Speed Analysis, Mobile-Friendliness Check, Basic Competitor Analysis (1 competitor), Email Support

Website SEO Audit limited to 5 sites; Basic Keyword Research limited to 50 keywords; Basic Competitor Analysis limited to 1 competitor

Premium$29/mo

Marked 'Most Popular'; 7-day free trial available per FAQ.

Advanced SEO Audit limited to 100 sites; Competitor Analysis limited to 10 competitors; Rank Tracking limited to 500 keywords

EnterpriseQuote

Custom pricing; contact sales.

Unlimited audits and unlimited competitor analysis