Run Google Lighthouse on your entire site.

Open source alternative to Semrush and Ahrefs

Web service and CLI tool for SEO site audit: crawl site, lighthouse all pages, view public reports in browser. Also output to console, json, csv, xlsx

A Drupal site auditing tool

Claude SEO Skills — production Claude Agent Skills for the SE Ranking MCP server. Content briefs, AI Search share of voice, audits, backlink gaps, keyword clusters, schema, sitemap, GEO, and more.

Your WordPress debug & discovery co-pilot. Instantly uncover shortcodes, hooks, templates, REST APIs, and logs — with AI-powered code analysis, XLSX export, and smart error fixing. Just ask, and let AI suggest the fix. Built for devs, freelancers & agencies.

The AI-native technical SEO crawler. Open-source MCP server for Claude / Cursor / Codex — 37 tools, 50+ checks, unlimited pages, WAF detection, ephemeral by design. Built on LibreCrawl. MIT.

Audit any website for a client-ready sales brief, or run a targeted improvement loop that diagnoses, recommends, and fixes design issues. Two Claude Code skills built on Impeccable.

Free SEO crawler & website audit tool — a self-hosted, open-source SEO spider that crawls any website for technical SEO issues. Concurrent, CMS-aware (Shopify/WordPress/Webflow), XLSX export. A free alternative to Screaming Frog.

All-In-One Free SEO Tool self-hosted, AI-powered SEO tool. Open-source alternative to Ahrefs & Semrush. 150+ tools — audits, rank tracking, AI content, local SEO, AI-search visibility, white-label reports. Replace ₹25k-65k/month of SEO subscriptions.

Crawl the site, examine all pages, and view the public reports in the browser using the web service and CLI tool for SEO site audit. Also output to Google Drive, JSON, CSV, XLS, and the console.

Your website has problems you can't see. Scry finds them. Crawl your entire website across SEO, security, performance, and accessibility. No browser, no subscription.

Real-time web crawler with live visualization, structured content analysis, and exportable crawl results.

Local-first desktop SEO crawler. Audit your site on your own machine — no cloud, no accounts, no data leaves your computer.

Open-source SEO platform — keyword research, domain overview, backlinks, site audit, AI keyword clustering, LLM mention tracking. Fork of every-app/open-seo. TanStack Start, PostgreSQL, Redis, Groq AI, BullMQ. By TheGEOLab.net

Runnerty module: Check Online Service Executor

A polite, resumable command-line crawler that audits a website for technical SEO issues — broken links, redirects, missing/duplicate titles & meta descriptions, Open Graph, canonicals, and images missing alt text — and writes spreadsheet-ready CSV reports. Sitemap-seeded and robots.txt-aware.

Lightweight BYOK MCP server for GEO site audits — 31 signals across 6 pillars. Returns a readiness score, pillar breakdowns, and an actionable fix prompt for AI citation optimization.

Open-source desktop SEO crawler and auditor built with Rust, Tauri v2, and React. Cross-platform, fast, and privacy-first. Features parallel crawling, 18+ built-in audit rules, structured reporting, and AI-assisted analysis. No subscription, no telemetry.

Automated technical SEO infrastructure validator and LLM-crawling diagnostics engine with real-time browser runtime error tracking.