Free SEO Tools

Instantly audit, preview, and optimize your web pages with our massive suite of marketing and technical SEO tools. From basic meta tags to deep Javascript rendering analysis, we have everything you need to boost visibility.

Core SEO Tools

Essential checks for technical and on-page optimization.

Schema Checker

Validate structured data markup.

JS Rendering

See how JS affects your rendered DOM.

Meta Tags Analyzer

Check on-page meta tags for SEO compliance.

Robots.txt Tester

Check rules and accessibility for search engine crawlers.

Sitemap Analyzer

Analyze your XML sitemaps for SEO errors.

Redirect Checker

Trace URL redirect chains and status codes.

HTTP Headers

Inspect HTTP response headers.

Title & Meta Length

Validate the length of titles and descriptions.

Heading Structure

Audit the hierarchy and flow of H1-H6 tags.

Broken Links

Scan for dead links and 404 errors.

SERP Preview

Simulate how your page will appear in Google.

Advanced SEO Analysis

Deep-dive technical audits for mature websites.

Internal Link Audit

Graph and assess your internal link architecture.

Crawl Budget Simulator

Estimate how search engines prioritize crawling.

Indexability Checker

Verify indexation blocks and canonical tags.

Anchor Text Analyzer

Breakdown internal vs external anchor diversity.

Thin Content Detector

Find low-value pages harming panda scores.

Keyword Cannibalization

Detect pages competing for the exact same terms.

Log File Analyzer

Understand real Googlebot crawl behavior.

Lighthouse & Core Web Vitals

Google's official performance and experience metrics.

Mobile Lighthouse

Full mobile performance, SEO, and accessibility audit.

Desktop Lighthouse

Full desktop performance and SEO audit.

Core Web Vitals

Measure CLS, LCP, and INP metrics.

SEO Lighthouse

Google's strict SEO best practices test.

Accessibility Tools

Ensure ADA and WCAG compliance.

Performance Tracker

Compare site speed over time.

Technical Audits

Advanced debugging for complex site architectures.

JS SEO Diff

Compare raw HTML vs Javascript rendered DOM.

Canonical Conflicts

Detect canonical loops and incorrect targets.

Pagination Analyzer

Audit rel=prev/next and parameter URLs.

Duplicate Content

Find exact or near-match duplicate pages.

Schema Coverage

Site-wide rich snippet eligibility check.

Speed Optimization

Granular network and payload analysis.

JS Bundle Analyzer

Evaluate main-thread blocking scripts.

Third-Party Scripts

Identify slow trackers and ad networks.

TTFB Checker

Time to First Byte global latency check.

Diagnostics & History

Forensic analysis of site issues.

Crawl Path Visualizer

Map the shortest path to any URL.

SERP Snippet

Check history of title tag changes.

Orphan Page Finder

Locate unlinked pages in your sitemap.

Index History

Track how pages enter and drop from Google.