Market Share by Top Websites

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

2 In terms of market share, AdOpt is clearly lagging behind, losing to Digicert in all segments.

Websites Categories

1 Digicert has better usage coverage in more websites categories. Including Computers Electronics & Technology, Finance, Lifestyle, E-commerce & Shopping and 18 other categories.

2 AdOpt is leading in Law & Government and News & Media.


1 Digicert is leading in most countries, including United States, Japan, United Kingdom, Germany and 110 other countries.

2 AdOpt is leading in Brazil, Portugal, Angola and Cape Verde.