Market Share by Top Websites

1 PerimeterX is leading in Top 10K Sites and The Entire Web.

2 ShieldSquare is leading in Top 100K Sites and Top 1M Sites.

Websites Categories

1 ShieldSquare has better usage coverage in more websites categories. Including Vehicles, Jobs & Career, E-commerce & Shopping, Business & Consumer Services and 9 other categories.

2 PerimeterX is leading in Arts & Entertainment, Games, Adult, Computers Electronics & Technology and 6 other categories.


1 ShieldSquare is leading in most countries, including United States, United Kingdom, Canada, France and 44 other countries.

2 PerimeterX is leading in Brazil, Japan, China, Ireland and 22 other countries.