seo-checker

Website SEO Checker — Use Website SEO Checker free on ToolAdda — quick, accurate, and browser-based. Free on ToolAdda.online.

Open-source AI GEO (Generative Engine Optimization) auditor — production-ready Next.js SaaS that checks how well landing pages are cited by AI search engines like ChatGPT, Perplexity, and Gemini. Free SEMrush & Surfer SEO alternative with Stripe, credits, NextAuth, Prisma.

Free, AI-friendly SEO auditor. 106 checks across 22 categories. Runs as a Claude Code skill, a CLI, or in your CI. Generates a polished 8-page PDF report. MIT-licensed.

SEO checker skill for Claude Code — pre-commit SEO audit: /seo-check reviews your git diff for regressions (noindex, robots.txt, canonicals, redirects, JSON-LD) and crawls the affected routes like Googlebot

SEO audit tool — analyze any webpage's indexing and semantic signals with score, built with NestJS and PostgreSQL

Free open-source website scanner — 150+ automated checks for security vulnerabilities, SEO issues, performance, privacy compliance, and accessibility. No signup required.

QAstro.js is a modular library for automatic accessibility and security linting of web pages. Easily extensible with new rules

FeedPulse organization profile

Pre-publish SEO, JSON-LD schema, hreflang/canonical, semantic diff, and GEO content checks for HTML, Markdown, and WordPress.

Mini product tour + install snippets for FeedPulse — 19 free embeddable widgets and 10 free SEO checkers. One-line HTML embed, no signup, no paid tier. Lighthouse 100/100/100/100.

Free open-source SEO checker -- audit any website instantly and get a pass/fail checklist with score

🔍 GitHub Action that checks your site for SEO meta tags, OG images, headings structure, and lighthouse basics — all in CI