SerpNap is a suite of free SEO tools that helps you audit, analyze, and optimize your website for search engines. It includes an SEO checker with 50+ audit checks, a meta tag generator, schema markup generator, sitemap validator, keyword density checker, headline analyzer, and more.

Is SerpNap really free?

Yes, all SEO tools on SerpNap are completely free to use with no signup required. You can run unlimited SEO audits, generate meta tags, create schema markup, and use all tools at no cost.

How does the SEO Checker work?

The SerpNap SEO Checker performs 50+ comprehensive checks on any URL. It analyzes meta tags, heading structure, image optimization, internal and external links, page speed, mobile-friendliness, structured data, accessibility, and E-E-A-T signals. You get an overall SEO score with prioritized, actionable recommendations.

What SEO tools does SerpNap offer?

SerpNap offers 11 free SEO tools: SEO Checker (50+ audit checks), Technical Audit, Neural Audit (AI-powered), Meta Tag Generator, Schema Generator, Sitemap Validator, Headline Analyzer, Keyword Density Checker, Page Speed Estimator, Redirect Checker, and Robots.txt Generator.

What does the SEO Checker analyze?

It runs a comprehensive audit across 8 categories: technical SEO & performance, meta tags, content quality, structured data, accessibility, E-E-A-T trust signals, mobile optimization, and international SEO. You get a letter grade (A+ to F) with actionable fixes for every issue.

Is this SEO checker free?

Yes, completely free with no signup required. Get instant results with a detailed PDF report.

What is the SEO grade based on?

Your grade is calculated from a weighted score across all 8 categories. Scores 95+ earn an A+, while scores below 45 receive an F. Most websites score between 50-75 (C to B range).

Does this tool estimate Lighthouse scores?

Yes, we estimate Performance, Accessibility, Best Practices, and SEO scores using heuristic analysis of your HTML. Each category includes a confidence level (low/medium/high) since some metrics like Core Web Vitals require browser rendering. For exact scores, run Google Lighthouse directly.

Best Free SEO Audit Tool | 2026SEOChecker.

Uncover hidden technical errors, boost ranking factors, and spy on competitors.

TechnicalMetaContentSchemaA11yE-E-A-TMobileIntlComprehensive analysis · 8 categories · 100% free