Google Tag Manager makes it easy for marketers to add and update website tags including analytics, remarketing, and more.
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.
Google Tag Manager is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.
In terms of market share, Polyfill.io is clearly lagging behind, losing to Google Tag Manager in all segments.
Google Tag Manager has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Arts & Entertainment, Food & Drink and 20 other categories.
Polyfill.io hasn't got a lead over Google Tag Manager in any websites category.
Google Tag Manager is leading in most countries, including United States, Japan, United Kingdom, Russia and 162 other countries.
Polyfill.io hasn't got a lead over Google Tag Manager in any country.