Polyfill IO

Category - JavaScript Libraries

Polyfill.io is a service which makes web development less frustrating by selectively polyfilling just what the browser needs. Polyfill.io reads the User-Agent header of each request and returns polyfills that are suitable for the requesting browser



We have discovered 8,820,124 live websites that are using Polyfill IO.

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Technology usage statistics

Websites using Polyfill IO 8,820,124 websites
Most popular in the country United States of America
Market position in JavaScript Libraries #4
Market penetration in JavaScript Libraries 19.04%

Technology adoption

Recent changes in Polyfill IO usage. (See Polyfill IO Usage Changes report)
Websites that added Polyfill IO +973,158
Websites that dropped Polyfill IO -710,526

Distribution by websites popularity

Polyfill IO detection in the top websites by popularity
Top 10k sites 1,013 websites
Top 100k sites 10,382 websites
Top 1m sites 116,868 websites

Websites utilizing Polyfill IO

Top websites that use Polyfill IO

Domain Country Rank Contacts
twitter.com United States of America 7
code.jquery.com United States of America 23
www.cloudflare.com United States of America 27
polyfill.io United States of America 39
vimeo.com United States of America 67
cloud.google.com United States of America 71
See full domain list
Flat price per the report, subscription is not required.

Geographical Distribution

Technology usage distribution by websites across the globe.