🆚 ImagesLoaded vs. Polyfill
- 📈 Polyfill is slightly more popular than ImagesLoaded.
- 🌍 Polyfill is more popular in the United Kingdom, Spain, and France.
- 🌎 ImagesLoaded is more popular in the United States, Germany, and Italy.
Statistics based on 3.4M+ analyzed websites. About this data
ImagesLoaded
PolyfillType
JavaScript library
JavaScript library
About
A 
JavaScript library that detects when images have been loaded.
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.
Headquarters
Alexandria, Virginia, United States
Pricing
Free ✔️Open source
Free ✔️Open source
Categories
JavaScript Libraries › Rank #5
JavaScript Libraries › Rank #4
Popularity
Determined by the number of sites using each technology.
The Polyfill JavaScript library is 1.1 times more popular than ImagesLoaded.
Total websites
Market share
JavaScript Libraries
Popularity by country
Determined by the number of sites detected from each country.
Polyfill is more popular in the United Kingdom, Spain, and France, while ImagesLoaded is more popular in the United States, Germany, and Italy.
United States
United Kingdom
Germany
Spain
Italy
France
Japan
Australia
Russia
Netherlands
Awards
- 🥈 Second most popular in Samoa in the JavaScript Libraries category.
- 🥈 Second most popular in Guinea in the JavaScript Libraries category.
- 🥉 Third most popular in Germany in the JavaScript Libraries category.
- 🥉 Third most popular in South Africa in the JavaScript Libraries category.
- 🥉 Third most popular in Austria in the JavaScript Libraries category.
- 🥈 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.
Popularity by domain category
Determined by the number of sites in each category.
Polyfill is more popular among sites focused on business, marketing and merchandising, and online shopping, while ImagesLoaded is more commonly used on blogs and wiki, education and reference, and non-profit, advocacy and NGO sites.
Business
Marketing/Merchandising
Online Shopping
Blogs/Wiki
Education/Reference
Internet Services
Travel
Entertainment
Health
Non-Profit/Advocacy/NGO
Top sites
Top-ranked sites that use these technologies.
Compare alternatives
Technologies with similar characteristics.
jQuery
jQuery UI Touch Punch
Regenerator
Fastly Polyfill
Babel🗃️ 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 3,431,368 websites.
- Statistics were last calculated on .
- For more details, see our methodology and disclaimer.