SEO Audit API — On-Page + Core Web Vitals, Bulk & Scored

Bulk Lighthouse & Core Web Vitals Audit — Page Speed

runlayer/website-performance-audit

Measure real performance in a live browser: Core Web Vitals (LCP, CLS, FCP, TTFB), page weight and request breakdown by type, third-party load, DOM size, and prioritized speed opportunities with fixes. Returns a 0–100 score. Charged per page — no startup fee.

Website Screenshot API — Full-Page PNG, JPEG, PDF, WebP

runlayer/web-screenshot-pro

Screenshot any URL as PNG, JPEG, WebP or PDF. Full-page shots that work: sticky headers un-stuck, cookie banners and ads removed, lazy content settled. Device presets, dark mode, retina, authenticated pages, PDF controls, proxy. Charged only per successful screenshot — no startup fee.

PDF & DOCX to Markdown — Document Extractor for LLM/RAG

runlayer/document-to-markdown

Convert PDF and Word (DOCX) documents into clean Markdown, text, or JSON. Smart PDF paragraph reflow, page markers for RAG citations, full DOCX structure (headings, lists, tables), custom auth headers. No browser — parses in seconds. Charged per page processed — no startup fee.

Website to Markdown for LLMs & RAG — Content Extractor

runlayer/website-to-markdown

Turn any URL or whole site into clean, LLM-ready Markdown, text, or JSON. Strips nav/ads/boilerplate; keeps headings, links, tables, code. Sitemap-aware concurrent crawl, URL filters, robots.txt respected, rich metadata. Charged only per page extracted — no startup fee.

Google PageSpeed Insights

seemuapps/google-pagespeed-insights

Run a list of URLs through Google PageSpeed Insights and get Lighthouse scores plus Core Web Vitals for each one.

Website SEO Scorecard & Grader - Instant Audit

santhej/seo-scorecard

Instant SEO scorecard for any URL: a graded 0-100 score, prioritized issues, wins, and Core Web Vitals (LCP, CLS, FID). A shareable website grader for agencies and audits. Bulk URLs, no API key.

Google Lighthouse Checker

hi_world/google-lighthouse-checker

SEO-focused Lighthouse audits with beautiful HTML reports. Get indexability checks, Core Web Vitals pass/fail, prioritized issues, and ready-to-use Jira tickets. Perfect for agencies auditing 100+ sites. $0.10/audit. Client-ready reports in 60 seconds.

Website SEO Audit - On-Page Analyzer, Meta, Speed & Issues

santhej/website-seo-audit

Instant on-page SEO audit for any list of URLs: title & meta tags, H1s, word count, internal/external links, load time, on-page score & a prioritized list of SEO issues. Bulk-check pages. Clean JSON/CSV for audits & reports. No API keys.

SEOReport.dev - Free AI SEO Performance & Security Audit

seoreport.dev/seoreport-dev---free-ai-seo-performance-security-audit

Official free actor from SEOReport.dev. Get instant 0-100 SEO, Security & Performance scores for any website. Built for agents, scheduling & bulk audits.

Website Speed Checker

onescales/website-speed-checker

Easily get Website Speed Data with Google Lighthouse performance metrics & Core Web Vitals Tool (Performance Score, FCP, LCP, TBT, CLS, Speed Index) from any webpage/URL, whether you're analyzing or testing a single URL or thousands in bulk. Run scraper in seconds for one time, on schedule, or API.