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Best SEO crawler comparison

Looking for the best SEO crawler? This SEO crawler comparison puts the five tools SEO teams shortlist most — Crawl Cove, Screaming Frog, Sitebulb, Semrush and Ahrefs — side by side on what actually decides it: price, crawl limits, integrations and how much each one explains.

Windows only desktop app for Windows 10 and 11 — no Mac or Linux version

Side-by-side comparison of Crawl Cove, Screaming Frog, Sitebulb, Semrush Site Audit and Ahrefs Site Audit.
Where it runs Crawl Cove Desktop, local Screaming Frog Desktop, local Sitebulb Desktop & cloud Semrush Site Audit Cloud Ahrefs Site Audit Cloud
Plain-English fix per issue Crawl Cove Yes, built in Screaming Frog No (raw data) Sitebulb Yes (hints) Semrush Site Audit Issue guidance Ahrefs Site Audit Issue docs
Google Search Console + Bing Crawl Cove Free, built in Screaming Frog Setup + API keys Sitebulb Per-project connect Semrush Site Audit GSC; suite tools Ahrefs Site Audit GSC integration
Core Web Vitals included Crawl Cove Free, every audit Screaming Frog PageSpeed API key Sitebulb Via integration Semrush Site Audit In site audit Ahrefs Site Audit In site audit
URL / crawl limits Crawl Cove No caps Screaming Frog 500 URLs free Sitebulb Plan limits Semrush Site Audit Plan page limits Ahrefs Site Audit Crawl credits
Multi-client projects Crawl Cove Native Screaming Frog One crawl at a time Sitebulb Project-based Semrush Site Audit In suite Ahrefs Site Audit In suite
Versioned audit history Crawl Cove Built in Screaming Frog Manual exports Sitebulb Audit history Semrush Site Audit In suite Ahrefs Site Audit In suite
Pricing model Crawl Cove Per-seat subscription Screaming Frog Annual licence Sitebulb Tiered by usage Semrush Site Audit Full suite subscription Ahrefs Site Audit Full suite subscription
Platforms Crawl Cove Windows Screaming Frog Mac, Windows, Linux Sitebulb Mac & Windows Semrush Site Audit Browser Ahrefs Site Audit Browser

Compiled from each tool's public positioning; capabilities and pricing models change — check the latest before deciding.

Prefer a direct head-to-head? See Screaming Frog vs Semrush, Screaming Frog vs Ahrefs, SE Ranking vs Screaming Frog or Screaming Frog vs Sitebulb.

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No card required · Windows · Then from £14.99/mo · Cancel any time

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No card required · Windows · 14-day refund policy on paid plans