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Head-to-head · SEO Log File Analysis Tools

Patrick Stox Log File Analyzer vs Crawl Lab

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Patrick Stox Log File Analyzer #1 in SEO Log File Analysis Tools 9.4/10 Free plan Free plan✓ 2 of 3 features Visit Log Analyzer
Crawl Lab #2 in SEO Log File Analysis Tools 9.3/10 Free plan Free plan✓ 2 of 3 features Visit Crawl Lab

Patrick Stox Log File Analyzer leads on 0 checks, Crawl Lab on 0, and 3 are even. Who comes out ahead on the 3 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scorePatrick Stox Log File Analyzer · 9.4/10
  • Free planboth

Patrick Stox Log File Analyzer scores higher on our rubric for seo log file analysis tools: 9.4 against 9.3 out of 10; our editors rank them #1 and #2.

Patrick Stox Log File Analyzer is the better fit for SEOs and technical teams analyzing server logs. Crawl Lab is the better fit for private, free crawler and crawl-waste analysis.

  • Patrick Stox Log File Analyzer fits best

    SEOs and technical teams analyzing server logs

  • Crawl Lab fits best

    Private, free crawler and crawl-waste analysis

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Side by side

Feature Patrick Stox Log File Analyzer 9.4/10 Visit ↗ Crawl Lab 9.3/10 Visit ↗
At a glance
Editor score 9.4 9.3
Ranking #1 in SEO Log File Analysis Tools #2 in SEO Log File Analysis Tools
Best for SEOs and technical teams analyzing server logs Private, free crawler and crawl-waste analysis
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Docs, Tickets Email
Built for Solo, Small business Solo, Small business
Features Patrick Stox Log File Analyzer 2/3 · Crawl Lab 2/3
Crawler segmentation ✓ ✓
Crawl waste reports ✓ ✓
Search Console integration Not checked yet Not checked yet
Specs
Log input methods Upload Upload
Log processing limit Not checked yet Not checked yet
Data retention Not checked yet Not checked yet
Our review
Pros
  • Supports nginx, Apache, IIS/W3C, and JSON access logs
  • Reports crawl budget, crawl waste, and crawler activity by site section
  • Separates AI crawlers, verifies likely bots, and exports reports
  • Processes logs locally without uploads or storage
  • Detects and verifies Googlebot, Bingbot, and AI crawlers
  • Analyzes compressed archives and reports crawl waste
Cons
  • Analysis is limited to the web platform
  • Log files must be uploaded for browser-based processing
  • Parsed data is gone when the browser tab is closed
  • Focused on Apache and Nginx access logs
  • Browser-based processing requires uploading files into the tool
  • Does not replace broader technical SEO platforms
Our verdict

Patrick Stox Log File Analyzer is a free, no-signup web tool for SEOs, site owners, and technical teams investigating crawler behavior. It accepts nginx, Apache, IIS/W3C, and JSON access logs, then processes multiple large files in the…

Read the review →

Crawl Lab is a free, browser-based tool for SEO practitioners investigating real crawler activity on websites. It analyzes Apache and Nginx access logs to identify Googlebot, Bingbot, and AI crawlers, show crawled URLs and frequency,…

Read the review →
  1. Patrick Stox Log File AnalyzerSEO Log File Analysis Tools 9.4Free plan
  2. Crawl LabSEO Log File Analysis Tools 9.3Free plan

Strengths and trade-offs

  • Patrick Stox Log File Analyzer — where it wins

    • Supports nginx, Apache, IIS/W3C, and JSON access logs
    • Reports crawl budget, crawl waste, and crawler activity by site section
    • Separates AI crawlers, verifies likely bots, and exports reports

    Where it doesn't

    • Analysis is limited to the web platform
    • Log files must be uploaded for browser-based processing
    • Parsed data is gone when the browser tab is closed

  • Crawl Lab — where it wins

    • Processes logs locally without uploads or storage
    • Detects and verifies Googlebot, Bingbot, and AI crawlers
    • Analyzes compressed archives and reports crawl waste

    Where it doesn't

    • Focused on Apache and Nginx access logs
    • Browser-based processing requires uploading files into the tool
    • Does not replace broader technical SEO platforms

More comparisons

All SEO log file analysis tools comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update