Crawlie vs Screaming Frog SEO Log File Analyser

Crawlie is a technical SEO and GEO crawler that audits websites and offers guidance on addressing issues. It checks broken links, redirects, missing metadata, and more than 40 SEO and generative-engine issues. Each crawl returns distinct Health, GEO, and Accessibility scores, with output available in the terminal or as JSON, CSV, and shareable HTML reports. JavaScript rendering and structured data audits are supported. The open-source crawler includes an MCP server; the hosted service includes a hosted MCP server and REST API on every plan. Local options include an npm-installed CLI and MCP server, plus a signed macOS DMG for the desktop app. Hosted deploy-triggered crawls are documented for Vercel, alongside GitHub, Netlify, and custom CI hooks. The Free plan is free and includes 200 credits per month, three sites, one seat, and up to 1,000 pages per crawl. Pro is $29 a month; Business is $149 a month. Spronta Ltd makes Crawlie in London, United Kingdom.

Screaming Frog SEO Log File Analyser is a desktop application for examining access logs and understanding search engine and AI bot activity. It installs locally and keeps log event data in a local database. It accepts Apache, W3C Extended, and Amazon Elastic Load Balancing logs, and can verify supported bots to identify spoofed requests. Reports cover crawled URLs, crawl frequency, response errors, redirects, bytes downloaded, and response times. Users can match imported data containing a URLs column against log activity, including crawls, directives, or external link data. Log files can be added by drag and drop, with analysis exported to CSV or Excel. The software can process millions of events, though capacity depends on hard drive space. It runs on Linux, macOS, and Windows. The free plan allows 1,000 log event lines and one project. The paid licence costs $139 per year and includes unlimited events and projects, subject to storage capacity. Free technical support is listed for both versions.