Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience our own tag's counts — open to see them
–Visits
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · visits, page views and clicks counted by our own tag, which counts more than our checked analytics; every figure rounded down · how we count

Head-to-head · SEO Log File Analysis Tools

Crawl Lab vs Screaming Frog SEO Log File Analyser

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score Crawl Lab #2 in SEO Log File Analysis Tools 9.3/10 Free plan Free plan✓ 2 of 3 features Visit Crawl Lab
Screaming Frog SEO Log File Analyser #6 in SEO Log File Analysis Tools 8.9/10 Free plan Free plan✓ 0 of 3 features Visit Screaming Frog

Crawl Lab leads on 0 checks, Screaming Frog SEO Log File Analyser 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 scoreCrawl Lab · 9.3/10
  • Free planboth
  • Most featuresCrawl Lab · 2 of 3

Crawl Lab scores higher on our rubric for seo log file analysis tools: 9.3 against 8.9 out of 10; our editors rank them #2 and #6.

Crawl Lab is the better fit for private, free crawler and crawl-waste analysis. Screaming Frog SEO Log File Analyser is the better fit for established teams needing desktop log analysis.

  • Crawl Lab fits best

    Private, free crawler and crawl-waste analysis

  • Screaming Frog SEO Log File Analyser fits best

    Established teams needing desktop log analysis

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Crawl Lab 9.3/10 Visit ↗ Screaming Frog SEO Log File Analyser 8.9/10 Visit ↗
At a glance
Editor score 9.3 8.9
Ranking #2 in SEO Log File Analysis Tools #6 in SEO Log File Analysis Tools
Best for Private, free crawler and crawl-waste analysis Established teams needing desktop log analysis
Pricing model Free Free plan + paid
Starting price Free plan $139/user/yr
Free plan ✓ ✓
Free trial — —
Deployment Cloud Desktop
Platforms Web Windows, macOS, Linux
Support Email Email, Tickets, Docs
Built for Solo, Small business Solo, Small business, Mid-market
Features Crawl Lab 2/3 · Screaming Frog SEO Log File Analyser 0/3
Crawler segmentation ✓ (best) Not checked yet
Crawl waste reports ✓ (best) Not checked yet
Search Console integration Not checked yet Not checked yet
Specs
Log input methods Upload Not checked yet
Log processing limit Not checked yet Not checked yet
Data retention Not checked yet Not checked yet
Our review
Pros
  • Processes logs locally without uploads or storage
  • Detects and verifies Googlebot, Bingbot, and AI crawlers
  • Analyzes compressed archives and reports crawl waste
  • Verifies search-engine bots and identifies spoofed bot IPs
  • Matches logs with URL data to find uncrawled and orphan URLs
  • Supports Windows, macOS and Linux with CSV and Excel exports
Cons
  • Focused on Apache and Nginx access logs
  • Browser-based processing requires uploading files into the tool
  • Does not replace broader technical SEO platforms
  • The Free plan is limited to 1,000 log events in one project
  • The paid plan costs $139 per user per year
  • Analyses imported logs rather than performing website crawls
Our verdict

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 →

Screaming Frog SEO Log File Analyser is a desktop application for SEOs examining server logs and search-engine or AI-bot crawling. It imports Apache, W3C Extended, NGINX, IIS, JSON, CSV, TSV and Amazon Elastic Load Balancing log formats,…

Read the review →
  1. Crawl LabSEO Log File Analysis Tools 9.3Free plan
  2. Screaming Frog SEO Log File AnalyserSEO Log File Analysis Tools 8.9Free plan

Strengths and trade-offs

  • 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

  • Screaming Frog SEO Log File Analyser — where it wins

    • Verifies search-engine bots and identifies spoofed bot IPs
    • Matches logs with URL data to find uncrawled and orphan URLs
    • Supports Windows, macOS and Linux with CSV and Excel exports

    Where it doesn't

    • The Free plan is limited to 1,000 log events in one project
    • The paid plan costs $139 per user per year
    • Analyses imported logs rather than performing website crawls
  • Crawl Lab9.3/10 · Free plan

    A free local browser tool for finding crawler activity, errors, and wasted crawl budget.

    Visit Crawl LabFull verdict →
  • Screaming Frog SEO Log File Analyser8.9/10 · Free plan

    A detailed desktop log analyser with URL matching, bot verification and cross-platform support.

    Visit Screaming FrogFull verdict →

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