🆚 ES6 Shim vs. Fastly Polyfill
- 📈 Fastly Polyfill is much more popular than ES6 Shim.
- 🌎 Fastly Polyfill is more popular in the United States, the United Kingdom, and Canada.
- 🌍 ES6 Shim is more popular in Vietnam, Estonia, and Bosnia and Herzegovina.
Statistics based on 3.8M+ analyzed websites. About this data
ES6 Shim
Fastly PolyfillType
JavaScript library
JavaScript library
About
Provides compatibility shims so that legacy 
JavaScript engines behave as closely as possible to ECMAScript 6 (Harmony).
Fastly Polyfill is a service that reads the User-Agent header of each request and returns polyfills appropriate for the requesting browser.
Pricing
Free ✔️ Open source
Free ✔️ Open source
Categories
Popularity
Determined by the number of sites using each technology.
The Fastly Polyfill JavaScript library is 17 times more popular than ES6 Shim.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Fastly Polyfill is more popular in the United States, the United Kingdom, and Canada, while ES6 Shim is more popular in Vietnam, Estonia, and Bosnia and Herzegovina.
United States
United Kingdom
Canada
Australia
Germany
Japan
Brazil
India
France
Italy
Awards
- ⬆️ 67th most popular in the United States in the Legacy category.
- ⬆️ 244th most popular in the United States in the JavaScript Libraries category.
- ⬆️ 87th most popular in Canada in the JavaScript Libraries category.
- ⬆️ 91st most popular in Sweden in the JavaScript Libraries category.
- ⬆️ 94th most popular in Australia in the JavaScript Libraries category.
- ⬆️ 96th most popular in Denmark in the JavaScript Libraries category.
- ⬆️ 98th most popular in Ireland in the JavaScript Libraries category.
Popularity by domain category
Determined by the number of sites in each category.
Fastly Polyfill is more popular than ES6 Shim in all market segments.
Online Shopping
Marketing/Merchandising
Business
Fashion/Beauty
Education/Reference
General News
Blogs/Wiki
Entertainment
Health
Sports
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 3,814,833 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.