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SPECIFICTION
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LogWerk

abbottis.github.io

Web
Visit abbottis.github.io
Spec score 7.1 #22 of 27 in SEO Log File Analysis Tools

Spec sheet

What it does
LogWerk is an offline-first server log analyzer that runs in a web browser.Read 8 Oct 2026 · github.com
Purpose
LogWerk is an offline-first server log analyzer that runs in a web browser.Read 8 Oct 2026 · github.com
Intended users
It is built for developers, sysadmins, and site operators who want to understand traffic without setting up a full log analytics stack.Read 8 Oct 2026 · github.com
Audience
It is built for developers, sysadmins, and site operators.Read 8 Oct 2026 · github.com
Privacy
The maker says logs are parsed in the browser and never uploaded; no account is needed.Read 8 Oct 2026 · github.com
License
The project is licensed under MIT, which permits use, copying, modification, distribution, sublicensing, and sale subject to its stated conditions.Read 8 Oct 2026 · github.com
Browser storage
The most recently loaded log is cached in IndexedDB and restored after a page refresh.Read 8 Oct 2026 · github.com
Compressed logs
It can load gzip-compressed and plain rotated log files in the browser.Read 8 Oct 2026 · github.com
Crawler analysis
It classifies more than 70 known bots and crawlers by provider and purpose, including AI crawlers.Read 8 Oct 2026 · github.com
Export
Users can export the currently filtered results as CSV.Read 8 Oct 2026 · github.com
Export and persistence
It exports filtered results as CSV and caches the last loaded log in browser IndexedDB for restoration after refresh.Read 8 Oct 2026 · github.com
Integrations and dependencies
The project loads Tailwind CSS, Chart.js, and Google Fonts from CDNs.Read 8 Oct 2026 · github.com
Languages
Its interface supports English, German, French, Spanish, Italian, and Ukrainian.Read 8 Oct 2026 · github.com
Log formats
It detects Nginx and Apache log formats automatically and also supports manual presets and custom regular expressions.Read 8 Oct 2026 · github.com
Offline use
The maker says the interface loads resources from CDNs and recommends vendoring them locally for a fully offline build.Read 8 Oct 2026 · github.com
Security analysis
Its Security tab detects listed attack patterns and reports suspicious IPs, 404 paths, and failed logins.Read 8 Oct 2026 · github.com
Security features
Its Security tab detects listed attack patterns and reports suspicious IPs, 404 paths, and failed logins.Read 8 Oct 2026 · github.com
Session analysis
It groups requests by IP address and user agent into chronological session timelines.Read 8 Oct 2026 · github.com
Session journeys
It groups requests by IP and user agent into chronological session timelines.Read 8 Oct 2026 · github.com
Setup limit
The README says modern browsers restrict local JavaScript modules over file:// and recommends serving the folder from a local server; it also describes a Safari workaround.Read 8 Oct 2026 · github.com
Traffic analysis
Its dashboard reports traffic over time, HTTP statuses, paths, client IPs, browsers, operating systems, referrers, and other traffic insights.Read 8 Oct 2026 · github.com

Where Specifiction places it

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