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 16 other categories.
2
Polyfill.io is leading in Lifestyle, Jobs & Career, Games and Gambling.
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Isotope is leading in most countries, including Italy, Germany, India, France and 152 other countries.
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Polyfill.io is leading in United States, Canada, Japan, New Zealand and 6 other countries.