🆚 UAParser.js vs. Underscore.js
- 📈 Underscore.js is much more popular than UAParser.js.
- 🌍 Underscore.js is more popular in all countries.
Statistics based on 3.8M+ analyzed websites. About this data
UAParser.jsType
JavaScript library
JavaScript library
About
A 
JavaScript library to detect the user's browser, engine, OS, CPU, and device type/model.
Underscore.js is a utility library for JavaScript that provides support for functional programming helpers (each, map, reduce, filter) without extending any built-in JavaScript objects.
Headquarters
Boston, Massachusetts, United States
Pricing
Free version ✔️ Open source
PRO Personal $14
PRO Business $29
PRO Enterprise $588
Free ✔️ Open source
Categories
JavaScript Libraries › Rank #169
JavaScript Libraries › Rank #16
Popularity
Determined by the number of sites using each technology.
The Underscore.js JavaScript library is 45 times more popular than UAParser.js.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Underscore.js is more popular than UAParser.js in all countries.
United States
United Kingdom
Germany
Spain
Italy
France
Australia
Canada
India
Netherlands
Awards
- ⬆️ 44th most popular in Korea in the JavaScript Libraries category.
- ⬆️ 49th most popular in New Zealand in the JavaScript Libraries category.
- ⬆️ 83rd most popular in Austria in the JavaScript Libraries category.
- ⬆️ 91st most popular in the United States in the JavaScript Libraries category.
- ⬆️ 167th most popular in Japan in the JavaScript Libraries category.
- ⭐ 8th most popular in Iran in the JavaScript Libraries category.
- ⭐ 8th most popular in Algeria in the JavaScript Libraries category.
- ⭐ 9th most popular in South Africa in the JavaScript Libraries category.
- ⭐ 9th most popular in Afghanistan in the JavaScript Libraries category.
- ⭐ 10th most popular in Norway in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
Underscore.js is more popular among sites focused on business, marketing and merchandising, and online shopping, while UAParser.js is more commonly used on motor vehicles sites.
Business
Marketing/Merchandising
Online Shopping
Education/Reference
Blogs/Wiki
Non-Profit/Advocacy/NGO
Entertainment
Travel
Health
Internet Services
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
🗃️ 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 3,816,780 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.