🆚 css-vars-ponyfill vs. Fingerprint
- 📈 css-vars-ponyfill is much more popular than Fingerprint.
- 🌎 css-vars-ponyfill is more popular in the United States, the United Kingdom, and Japan.
- 🌍 Fingerprint is more popular in China, Estonia, and Ghana.
Statistics based on 3.5M+ analyzed websites. About this data
FingerprintType
JavaScript library
JavaScript library
About
Client-side support for 
CSS custom properties (aka "CSS variables") in legacy and modern browsers.
Fingerprint is a commercial browser fingerprinting solution that queries browser attributes and computes a hashed visitor identifier from them.
Headquarters
Chicago, Illinois, United States
Pricing
Free ✔️Open source
Free version ✔️Before the version 4.0, open source
Pro$99+/month
Categories
Popularity
Determined by the number of sites using each technology.
The css-vars-ponyfill JavaScript library is 8 times more popular than Fingerprint.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
css-vars-ponyfill is more popular in the United States, the United Kingdom, and Japan, while Fingerprint is more popular in China, Estonia, and Ghana.
United States
United Kingdom
Japan
Germany
Canada
Australia
India
France
Austria
Netherlands
Awards
- ⬆️ 76th most popular in Austria in the JavaScript Libraries category.
- ⬆️ 87th most popular in New Zealand in the JavaScript Libraries category.
- ⬆️ 95th most popular in Finland in the JavaScript Libraries category.
- ⬆️ 101st most popular in Denmark in the JavaScript Libraries category.
- ⬆️ 103rd most popular in Canada in the JavaScript Libraries category.
- 🥈 Second most popular in China in the Identity Resolution category.
- 🔥 12nd most popular in the United Kingdom in the Identity Resolution category.
- ⬆️ 144th most popular in China in the JavaScript Libraries category.
- ⬆️ 208th most popular in the United Kingdom in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
css-vars-ponyfill is more popular among sites focused on online shopping, business, and marketing and merchandising, while Fingerprint is more commonly used on pornography sites.
Online Shopping
Business
Marketing/Merchandising
General News
Fashion/Beauty
Travel
Education/Reference
Entertainment
Real Estate
Health
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Emotion
Animsition
StyleX
UAParser.js🗃️ About This Data
- We evaluate the popularity of technologies based on the number of websites where we detect their usage.
- Technologies without a detectable web footprint, and those we do not track, are not reflected in the calculated market share.
- This report is based on the analysis of 3,531,795 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.