Side by side
LogWerk vs SEOultra Server Log File Crawl Analyzer
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
LogWerk brings traffic, crawler, security, and session views together in a browser-based analyzer. Its setup and CDN requirements matter for people seeking fully local offline use.
Visit LogWerk
Free plan Web
Choose SEOultra Server Log File Crawl Analyzer if you want a free web tool for segmenting crawler visits and reviewing response codes and crawl waste in server logs. Its analysis is capped by input size, and an impersonation flag is a user-agent mismatch signal rather than proof of IP ownership.
Visit SEOultra Server Log File Crawl AnalyzerThe facts
| LogWerk | SEOultra Server Log File Crawl Analyzer | |
|---|---|---|
| Free plan | Yes | Yes |
| Open source | Not published | Not published |
| Runs on | Web | Web |
| Lowest paid plan | Not published | Free or on request |
| Plans published | None | 1 |
| Maker | Not published | Not published |
| Website | abbottis.github.io | seoultra.id |
| On seo log file analysis tools | #14 of 27 | #18 of 27 |
LogWerk: what it does well
- Reads plain and gzip-compressed rotated logs.
- Recognizes Nginx and Apache formats automatically.
- Classifies more than 70 bots and crawlers.
- Parses logs in-browser without uploading them.
- Exports filtered results as CSV.
What to know first
- Modern browsers restrict local modules over file://.
- A local server is recommended for setup.
- CDN resources must be vendored for fully offline use.
SEOultra Server Log File Crawl Analyzer: what it does well
- Separates log activity by crawler.
- Summarizes 2xx, 3xx, 4xx, and 5xx responses.
- Flags bot visits to low-value URL patterns.
- Recognizes more than 40 crawler signatures.
- Skips and counts unrecognized log lines.
What to know first
- Each analysis is limited to about 8,000 lines or 300,000 characters.
- Likely impersonation flags do not establish IP ownership.
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