Side by side
AuditLabs SEO Log File Analyzer vs Crawl Lab
Both stand on seo log file analysis tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Free plan Web
Choose AuditLabs SEO Log File Analyzer to examine AI bot activity, LLM referrals, and crawl paths from supported server logs. Supporter may suit regular multi-site use; users who need more than 200 monthly runs or larger uploads exceed the listed plan limits.
Visit AuditLabs SEO Log File Analyzer Free plan Web
Crawl Lab offers local log analysis and crawler identification at no cost. Its output concerns what bots fetched, not indexing or ranking outcomes.
Visit Crawl LabThe facts
| AuditLabs SEO Log File Analyzer | Crawl Lab | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | See the plans | Free or on request |
| Plans published | 2 | 1 |
| Maker | Not published | Not published |
| Website | auditlabs.co | crawl-lab.com |
| On seo log file analysis tools | #1 of 27 | #5 of 27 |
AuditLabs SEO Log File Analyzer: what it does well
- Detects GPTBot, ClaudeBot, and Perplexity traffic.
- Identifies referrals from ChatGPT and Claude.
- Accepts CSV, JSON, Apache/nginx, and Cloudflare logs.
- Previews uploads and supports column mapping.
- Offers priority processing and email support on Supporter.
What to know first
- Free accounts are limited to 20 standard and 2 heavy runs monthly.
- Free uploads are capped at 1.5 GB per file.
- Downloading full results requires a free account.
Crawl Lab: what it does well
- Free to use with no account required.
- Accepts Apache and Nginx logs, including .gz files.
- Verifies crawler authenticity using official IP ranges.
- Log files and IP addresses stay on the user's machine.
- Streaming analysis handles several gigabytes of logs.
What to know first
- Results do not show whether pages were indexed.
- Results do not show how pages rank.
- The llms.txt generator and AI citation audit are coming soon.
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