head to head · open source
claude-seo vs ua-parser-js
claude-seo has 25,931 GitHub stars, 3,395 forks, 19 open issues and last shipped 2 days ago. ua-parser-js has 10,213 stars, 1,211 forks, 14 open issues and last shipped 1 months ago. claude-seo leads on adoption by 154% (25,931 vs 10,213 stars). claude-seo is written in Python under MIT; ua-parser-js is written in JavaScript under AGPL-3.0. claude-seo has attracted 13% as many forks as stars, ua-parser-js 12%. claude-seo was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| claude-seo | ua-parser-js | |
|---|---|---|
| GitHub stars | ★ 26K | ★ 10K |
| License | MIT | AGPL-3.0 |
| Written in | Python | JavaScript |
| Last push | 2026-11-01 | 2026-09-29 |
| Forks | ⑂ 3.4K | ⑂ 1.2K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick claude-seo if
- You weight community size — 26K stars and counting
- You want the MIT license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick ua-parser-js if
- You want the ua-parser-js feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches JavaScript
- You evaluated both and ua-parser-js fits your workflow better
About claude-seo
Claude SEO: SEO Skill for Claude Code Claude SEO is an open source SEO analysis plugin for Claude Code. It runs 25 sub skills and 18 specialist agents in parallel across technical SEO, content quality (E E A T), Schema.org markup, AI search optimization (GEO), local SEO, e commerce, and international SEO. Every audit produces a prioritized action plan with testable recommendations grounded in primary source guidance from Google. Two versions of this skill. 🌐 Public open source → AgriciDaniel/claude seo : MIT, public releases, no membership. Use this if you want stable + downloadable. 🔒 Community private mirror…
read the full claude-seo overview →
About ua-parser-js
UAParser.js Powerful User Agent detection in a compact, ES5 friendly, dependency free JavaScript library. ✅ Comprehensive detection : Identify various kind of browsers, OS, devices, bots, apps, AI crawlers, and more ✅ Battle tested at scale : Backed by an actively maintained, extensive detection database, trusted by leading tech companies ✅ Runs everywhere : Use seamlessly in browsers, Node.js, and modern JavaScript runtimes Demo Live demo: Documentation version 1.x : version 2.x : Before upgrading from v0.7 / v1.0 , please read CHANGELOG to see what's new & breaking. Package Options Open Source Editions PRO /…
read the full ua-parser-js overview →
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Frequently asked questions
Is claude-seo or ua-parser-js more popular?
claude-seo has 25,931 GitHub stars and ua-parser-js has 10,213. claude-seo has the larger community by that measure.
Are claude-seo and ua-parser-js free?
Both are open source. claude-seo is licensed under MIT and ua-parser-js under AGPL-3.0. Neither carries a licence fee.
What is the difference between claude-seo and ua-parser-js?
claude-seo is written in Python and ua-parser-js in JavaScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, claude-seo or ua-parser-js?
Choose claude-seo if you want the larger community (25,931 stars) or its MIT licence terms. Choose ua-parser-js if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.