🆚 Fastly Polyfill vs. Picturefill

Compare technologies based on real-world usage data *
Fastly Polyfill
Picturefill

Type

JavaScript library
JavaScript library

About

Fastly Polyfill is a service that reads the User-Agent header of each request and returns polyfills appropriate for the requesting browser.

A responsive image polyfill for <picture>, srcset, sizes, and more.

Website

polyfill-fastly.io
scottjehl.github.io/picturefill/

Pricing

Free ✔️Open source
Free ✔️Open source

Categories

JavaScript Libraries › Rank #97
JavaScript Libraries › Rank #70
Legacy › Rank #12

Popularity

Determined by the number of sites using each technology.

The Picturefill JavaScript library is 1.8 times more popular than Fastly Polyfill.
Total websites

Market share

JavaScript Libraries

Popularity by country

Determined by the number of sites detected from each country.

Picturefill is more popular in the United States, Germany, and Japan, while Fastly Polyfill is more popular in India, New Zealand, and Mexico.
United States
Germany
Japan
United Kingdom
Brazil
France
Australia
Italy
Spain
Canada

Awards

Popularity by domain category

Determined by the number of sites in each category.

Picturefill is more popular among sites focused on business, marketing and merchandising, and blogs and wiki, while Fastly Polyfill is more commonly used on online shopping and fashion and beauty sites.
Business
Marketing/Merchandising
Online Shopping
Blogs/Wiki
Education/Reference
Travel
Entertainment
Health
General News
Internet Services

Top sites

Top-ranked sites that use these technologies.

Name
Rank
#182
#514
#544
#587
#1,063
View more ➝
Name
Rank
#88
#484
#635
#1,048
#1,334
View more ➝

See also

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When making your decision, it is better to rely on data that cannot be falsified.
Our service evaluates the popularity of technologies by the number of websites using them.

Statistics were last calculated on .
For details, see our methodology and disclaimer.