Market Share by Top Websites

1 Require JS is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Sizzle is clearly lagging behind, losing to Require JS in all segments.

Websites Categories

1 Require JS has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Internet & Telecom, People & Society and 160 other categories.

2 Sizzle is leading in Shopping, Clothing, Home & Garden, Consumer Electronics and 52 other categories.


1 Require JS is leading in most countries, including United States, Russia, Germany, Brazil and 130 other countries.

2 Sizzle is leading in United Kingdom, France, Netherlands, Italy and 29 other countries.