jbtronics/CrookedStyleSheets
Webpage tracking only using CSS (and no JS) observed · 2026-08-28
Health v2 · maintenance only
32/100
- Activity 0
- Release rhythm 35
- Longevity 100
Flags: no_releases
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-03. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 3160
- days_rel: n/a
- days_push: 1513
- n_releases_24m: 0
Adoption not part of the score
3270 stars · 132 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
A proof-of-concept demonstrating website tracking and analytics using only CSS, without any JavaScript. It detects browser type, screen resolution, font installation, link clicks, and hover behavior by triggering server-side requests via CSS properties.
Use cases
- track website visitors without javascript
- detect installed fonts via css
- demonstrate css-based privacy risks
- fingerprint browsers using css media queries
- log user link clicks and hovers server-side
- study tracking techniques for privacy research
When to choose
- researching or demonstrating CSS-based tracking and privacy threats
- building educational material on browser fingerprinting
- testing privacy tools against non-JavaScript tracking
When to avoid
- production analytics for real applications
- comprehensive visitor tracking with reliable metrics
- projects requiring active maintenance or support
Facets
library · maturity maintenance
security analytics css-framework security privacy web-development analytics browser php css-tracking proof-of-concept user-privacy no-javascript browser-fingerprinting web-server
1 source
- readme: https://github.com/jbtronics/CrookedStyleSheets · fetched 2026-08-28 · 5fd50f5644ee
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| jbtronics/CrookedStyleSheets | main | 32 |
For agents
markdown · JSON · MCP: product_card(name="jbtronics/CrookedStyleSheets")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem