1
Isotope is leading in Top 1M Sites and The Entire Web.
2
Polyfill.io is leading in Top 10K Sites and Top 100K Sites.
1
Isotope has better usage coverage in more websites categories. Including Computers Electronics & Technology, Science & Education, Health, Arts & Entertainment and 17 other categories.
2
Polyfill.io is leading in Jobs & Career, Games and Gambling.
1
Isotope is leading in most countries, including Italy, Germany, France, India and 155 other countries.
2
Polyfill.io is leading in United States, Japan, Saudi Arabia, Bahamas and 3 other countries.