Open-source repos for site audit
22 repos tagged Site audit, sorted by GitHub stars. Add filters from the other category types to narrow the list.
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ChromeDevTools/chrome-devtools-mcp
Google's MCP server that gives coding agents Chrome DevTools for debugging and performance checks.
54.7k starsApache-2.0Updated 3 Nov 2026
GoogleChrome/lighthouse
Google's auditing tool that scores pages for SEO, performance, accessibility and best practices.
31k starsApache-2.0Updated 3 Nov 2026
every-app/open-seo
Self-hosted SEO suite for keyword research, rank checks and site audits, pitched as a free Semrush-style tool.
SEO research, Rank tracking, Google Search, Docker, Marketing, Agencies, Self hosters
26.2k starsMITUpdated 31 Oct 2026
AgriciDaniel/claude-seo
Claude Code skill pack that runs multi-agent SEO audits covering technical, schema, content and GEO checks.
SEO research, AI agents, Anthropic, Web, Marketing, Agencies
26.1k starsMITUpdated 1 Nov 2026
AgriciDaniel/claude-ads
Claude Code skill that audits paid media accounts across Google, Meta and other ad platforms.
10.7k starsMITUpdated 2 Nov 2026
garmeeh/next-seo
Next.js plugin for managing meta tags, Open Graph data and JSON-LD on each page.
8.5k starsMITUpdated 30 Jul 2026
goenning/google-indexing-script
Script that submits your site's URLs to Google's Indexing API to request faster crawling.
SEO research, Google Search, Marketing, Engineering, SaaS, Indie hackers
7.7k starsMITUpdated 11 Oct 2024
GoogleChrome/lighthouse-ci
Runs Lighthouse in CI so SEO and performance regressions are caught before deploy.
7.1k starsApache-2.0Updated 31 Oct 2026
harlan-zw/unlighthouse
Crawls a whole site and runs Lighthouse on every page, showing SEO and performance issues in one dashboard.
4.9k starsMITUpdated 27 Oct 2026
lycheeverse/lychee
Fast link checker for websites, Markdown and HTML that finds broken links, usable in CI.
4.1k starsApache-2.0Updated 3 Nov 2026
iamvishnusankar/next-sitemap
Generates sitemap.xml and robots.txt for Next.js sites at build time.
3.8k starsMITUpdated 13 May 2026
AminForou/mcp-gsc
MCP server that lets an AI assistant query your Google Search Console data and inspect URLs.
Keyword tracking, AI agents, Google Search, Anthropic, Marketing, Agencies
2.1k starsMITUpdated 15 Sept 2026
Yoast/wordpress-seo
Source of the Yoast SEO WordPress plugin for meta tags, sitemaps, schema and readability checks.
CMS, Content writing, WordPress, Marketing, Media and publishing, Local business
2k starsOtherUpdated 1 Nov 2026
eliasdabbas/advertools
Python library for SEO and ads work: crawling, sitemaps, robots.txt, SERP pulls, keyword generation and log analysis.
SEO research, Web scraping, Google Search, Google Ads, Marketing, Data and analytics, Agencies
1.5k starsMITUpdated 30 Jun 2026
sethblack/python-seo-analyzer
Crawler that checks a site's pages for word counts, titles, meta, headings and other on-page SEO issues.
1.5k starsOtherUpdated 26 Oct 2026
harlan-zw/nuxt-seo
Nuxt module bundle that handles sitemaps, robots, OG images, schema and meta tags for Nuxt sites.
1.5k starsMITUpdated 24 Oct 2026
JustinBeckwith/linkinator
Crawls a site or local files and reports broken links and images.
1.3k starsMITUpdated 29 Oct 2026
google/schema-dts
TypeScript types for Schema.org so you can write valid JSON-LD structured data for rich results.
1.3k starsApache-2.0Updated 2 Nov 2026
PhialsBasement/LibreCrawl
Self-hosted SEO crawler, a free alternative to Screaming Frog, with issue detection and CSV/JSON export.
Web scraping, Web, Docker, Marketing, Agencies, Self hosters
1.1k starsMITUpdated 2 Nov 2026
StJudeWasHere/seonaut
Self-hosted Go app that crawls your site and reports technical SEO issues like broken links and duplicate tags.
851 starsMITUpdated 8 Oct 2026
sybrew/the-seo-framework
Lightweight WordPress SEO plugin that sets titles, meta, canonical tags and structured data automatically.
491 starsGPL-3.0Updated 15 Oct 2026
searchsolved/search-solved-public-seo
Collection of Python scripts and Streamlit apps for everyday SEO tasks like clustering, redirects and SERP checks.
421 starsOtherUpdated 21 Sept 2026