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Head-to-head · SEO Log File Analysis Tools

LogWerk vs Screaming Frog SEO Log File Analyser

  • Updated Oct 2026
  • Both researched from official sources
  • 3 checks side by side
Higher score LogWerk #4 in SEO Log File Analysis Tools 9.1/10 Free plan Free plan✓ 2 of 3 features Visit LogWerk
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

LogWerk 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 scoreLogWerk · 9.1/10
  • Free planboth
  • Most featuresLogWerk · 2 of 3

LogWerk scores higher on our rubric for seo log file analysis tools: 9.1 against 8.9 out of 10; our editors rank them #4 and #6.

LogWerk is the better fit for self-hosted teams needing broad log intelligence. Screaming Frog SEO Log File Analyser is the better fit for established teams needing desktop log analysis.

  • LogWerk fits best

    Self-hosted teams needing broad log intelligence

  • Screaming Frog SEO Log File Analyser fits best

    Established teams needing desktop log analysis

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Side by side

Feature LogWerk 9.1/10 Visit ↗ Screaming Frog SEO Log File Analyser 8.9/10 Visit ↗
At a glance
Editor score 9.1 8.9
Ranking #4 in SEO Log File Analysis Tools #6 in SEO Log File Analysis Tools
Best for Self-hosted teams needing broad log intelligence Established teams needing desktop log analysis
Pricing model Free Free plan + paid
Starting price Free plan $139/user/yr
Free plan ✓ ✓
Free trial — —
Deployment Self-hosted Desktop
Platforms Web Windows, macOS, Linux
Built for Solo, Small business Solo, Small business, Mid-market
Features LogWerk 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 Not checked yet Not checked yet
Log processing limit Not checked yet Not checked yet
Data retention Not checked yet Not checked yet
Our review
Pros
  • Analyzes Nginx, Apache, custom, compressed, and rotated logs
  • Combines crawler, crawl-budget, session, traffic, and security analysis
  • Runs offline in a browser with filtering, request inspection, and CSV export
  • 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
  • Log analysis uses uploaded files rather than a connected ingestion pipeline
  • Browser-based operation may not suit teams wanting centralized server processing
  • Its broad feature set may exceed the needs of simple traffic reporting
  • 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

LogWerk is an open-source, offline-first server log analyzer for developers, sysadmins, and site operators. It runs in a web browser and lets teams upload Nginx or Apache access logs, including Gzip-compressed and rotated files. The…

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. LogWerkSEO Log File Analysis Tools 9.1Free plan
  2. Screaming Frog SEO Log File AnalyserSEO Log File Analysis Tools 8.9Free plan

Strengths and trade-offs

  • LogWerk — where it wins

    • Analyzes Nginx, Apache, custom, compressed, and rotated logs
    • Combines crawler, crawl-budget, session, traffic, and security analysis
    • Runs offline in a browser with filtering, request inspection, and CSV export

    Where it doesn't

    • Log analysis uses uploaded files rather than a connected ingestion pipeline
    • Browser-based operation may not suit teams wanting centralized server processing
    • Its broad feature set may exceed the needs of simple traffic reporting

  • 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
  • LogWerk9.1/10 · Free plan

    Broad, local log intelligence for teams analyzing crawler behavior without a backend.

    Visit LogWerkFull 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