PostHog JS
Automatic event capture and product analytics SDK for JavaScript applications.
Logging, monitoring and analytics npm (Apache-2.0 AND MIT)
Used in agent projects
74
0.6% of 12,697 public repos built with AI coding agents
Rank in logging, monitoring and analytics
#13 of 29
by use in those projects
Downloads
16M
npm, last 7 days, posthog-js
GitHub stars
633
last push Oct 10, 2026
How PostHog JS is used
PostHog JS is a dependency in 74 of the 12,697 public GitHub projects set up for AI coding agents that we scanned (0.6%), #13 of 29 in logging, monitoring and analytics. The most used alternative there is Vercel Analytics. Projects that use it most often also use clsx (74.3%), Tailwind Merge (70.3%), Class Variance Authority (60.8%).
Often used with PostHog JS
| clsx | 74.3% of PostHog JS projects · 4.2× more than average |
|---|---|
| Tailwind Merge | 70.3% of PostHog JS projects · 4.2× more than average |
| Class Variance Authority | 60.8% of PostHog JS projects · 4.3× more than average |
| Lucide React | 68.9% of PostHog JS projects · 3.5× more than average |
| Zod | 63.5% of PostHog JS projects · 3.7× more than average |
| Tailwind CSS | 89.2% of PostHog JS projects · 2.6× more than average |
| Vitest | 51.4% of PostHog JS projects · 4.2× more than average |
| Testing Library | 50.0% of PostHog JS projects · 6.9× more than average |
By coding agent
| Claude Code | 1.2% of projects set up for it |
|---|---|
| Cursor | 1.3% of projects set up for it |
| GitHub Copilot | 0.8% of projects set up for it |
| OpenAI Codex | 1.8% of projects set up for it |
Share of public repos configured for each agent that list PostHog JS as a dependency.
Install
| Package | npm install posthog-js |
|---|---|
| Main stacks | Next.js (42), TypeScript / JavaScript (29), PHP (2), Python (1) |
| Example projects | trypostit/trypost, blockscout/frontend, Asvarox/allkaraoke, ask-the-hive/the-hive, stephenasuncionDEV/nfthost |
Alternatives to PostHog JS
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| Vercel Analytics npm Real-time web analytics SDK for tracking traffic and user behavior. |
422 (3.3%) | 8.3M | 517 | MIT |
| pino-pretty npm Pretty-printer for Pino JSON logs to make terminal output human-readable. |
223 (1.8%) | 24.6M | 1,706 | MIT |
| Web Vitals npm Measure Core Web Vitals and other key performance metrics in JavaScript. |
222 (1.7%) | 48.7M | 8,640 | Apache-2.0 |
| Vercel Speed Insights npm Measure web performance metrics and get recommendations for improvement. |
167 (1.3%) | 5.6M | 116 | Apache-2.0 |
| psutil pypi Cross-platform library for retrieving process and system monitoring information. |
144 (1.1%) | 74.7M | 11.3K | BSD-3-Clause |
| Pino npm Ultra-fast JSON logger for Node.js with minimal overhead. |
129 (1.0%) | 53.3M | 18.2K | MIT |
| Sentry for Next.js npm Official Sentry SDK for error tracking and performance monitoring in Next.js apps. |
119 (0.9%) | 11.7M | 8,756 | MIT |
| Loguru pypi Simplified Python logging library with intuitive API and structured logging. |
108 (0.9%) | 16.4M | 24.1K | — |