Jetpack is a free WordPress plugin that allows you to focus on what you do best. Create and publish great content. We’ll take care of the rest.
Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.
Polyfill.io is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
Despite its recent growth, Jetpack is still behind Polyfill.io in all market share segments.
Polyfill.io has better usage coverage in more websites categories. Including Computers Electronics & Technology, Lifestyle, Food & Drink, Science & Education and 19 other categories.
Jetpack is leading in News & Media.
Polyfill.io is leading in most countries, including United States, United Kingdom, Canada, Japan and 157 other countries.
Jetpack is leading in Somalia and Seychelles.