🆚 Polyfill vs. SheetJS
- 📈 Polyfill is much more popular than SheetJS.
- 🌍 Polyfill is more popular in all countries.
Statistics based on 3.5M+ analyzed websites. About this data
PolyfillType
JavaScript library
JavaScript library
About
Polyfill.io is an open-source 
JavaScript library that provides modern web API features to older browsers that do not natively support them.
After a supply chain attack in 2024 involving its cdn.polyfill.io domain, the service was discontinued and is now safely mirrored and maintained by 
Cloudflare under independent management.
SheetJS is a JavaScript library for reading and writing data from spreadsheets.
Headquarters
Rutherford, New Jersey, United States
Pricing
Free ✔️Open source
Free version ✔️Community edition, requires attribution, open source
SheetJS ProOn request
Categories
JavaScript Libraries › Rank #4
JavaScript Libraries › Rank #221
Popularity
Determined by the number of sites using each technology.
The Polyfill JavaScript library is 318 times more popular than SheetJS.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Polyfill is more popular than SheetJS in all countries.
United States
United Kingdom
Russia
Japan
Spain
Germany
Italy
France
Australia
Netherlands
Awards
- 🥈 Second most popular in Russia in the JavaScript Libraries category.
- 🥈 Second most popular in Belarus in the JavaScript Libraries category.
- 🥈 Second most popular in Jamaica in the JavaScript Libraries category.
- 🥈 Second most popular in Curacao in the JavaScript Libraries category.
- 🥈 Second most popular in the Turks and Caicos Islands in the JavaScript Libraries category.
- ⬆️ 97th most popular in Korea in the JavaScript Libraries category.
- ⬆️ 137th most popular in Vietnam in the JavaScript Libraries category.
- ⬆️ 157th most popular in China in the JavaScript Libraries category.
- ⬆️ 158th most popular in the Netherlands in the JavaScript Libraries category.
- ⬆️ 187th most popular in Russia in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
Polyfill is more popular than SheetJS in all market segments.
Business
Marketing/Merchandising
Online Shopping
Education/Reference
Blogs/Wiki
Internet Services
Travel
Health
Entertainment
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
Regenerator
Core-js
Fastly Polyfill
Babel
PDF.js
Raphael
SheetJS
Handsontable🗃️ 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 3,531,690 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.