🆚 MooTools vs. PDF.js
- 📈 PDF.js is noticeably more popular than MooTools.
- 🌎 PDF.js is more popular in the United States, the United Kingdom, and Brazil.
- 🌍 MooTools is more popular in Germany, Italy, and Russia.
Statistics based on 4M+ analyzed websites. About this data
MooTools
PDF.jsType
JavaScript library
JavaScript library
About
MooTools is an open-source 
JavaScript library that simplifies DOM manipulation, event handling, AJAX, animations, and object-oriented application development.
It extends native JavaScript and DOM objects with additional methods, and provides built-in effects and transitions, 
CSS selector support, and utilities for cookies and 
JSON.
PDF.js is a Portable Document Format (PDF) file viewer built with JavaScript and 
HTML5.
Headquarters
Rome, Italy
Mountain View, California, United States
Pricing
Free ✔️ Open source
Free ✔️ Open source
Categories
JavaScript Libraries › Rank #73
JavaScript Libraries › Rank #61
Popularity
Determined by the number of sites using each technology.
The PDF.js JavaScript library is 1.3 times more popular than MooTools.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
PDF.js is more popular in the United States, the United Kingdom, and Brazil, while MooTools is more popular in Germany, Italy, and Russia.
United States
Germany
Italy
Russia
United Kingdom
Brazil
France
Spain
Poland
India
Awards
- ⬆️ 31st most popular in Russia in the JavaScript Libraries category.
- ⬆️ 31st most popular in Belarus in the JavaScript Libraries category.
- ⬆️ 32nd most popular in Kazakhstan in the JavaScript Libraries category.
- ⬆️ 35th most popular in Ukraine in the JavaScript Libraries category.
- ⬆️ 35th most popular in Greece in the JavaScript Libraries category.
- ⬆️ 34th most popular in Brazil in the JavaScript Libraries category.
- ⬆️ 39th most popular in Estonia in the JavaScript Libraries category.
- ⬆️ 40th most popular in Colombia in the JavaScript Libraries category.
- ⬆️ 40th most popular in Ecuador in the JavaScript Libraries category.
- ⬆️ 45th most popular in the Philippines in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
PDF.js is more popular among sites focused on business, marketing and merchandising, and education and reference, while MooTools is more commonly used on travel, sports, and public information sites.
Business
Marketing/Merchandising
Education/Reference
Non-Profit/Advocacy/NGO
Health
Internet Services
Blogs/Wiki
Travel
Online Shopping
General News
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Mozilla company profile🗃️ 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 4,001,723 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.