Market Share by Top Websites

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

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

Websites Categories

1 OpenSSL has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Internet & Telecom, Shopping and 242 other categories.

2 mod_pagespeed hasn't got a lead over OpenSSL in any websites category.


1 OpenSSL is leading in most countries, including United States, Russia, Japan, India and 216 other countries.

2 mod_pagespeed is leading in Guinea-Bissau.