Market Share by Top Websites

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

2 Despite its recent growth, mod_pagespeed is still behind OpenSSL in all market share segments.

Websites Categories

1 OpenSSL has better usage coverage in more websites categories. Including Science & Education, Computers Electronics & Technology, Law & Government, Health and 20 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, Japan, South Korea, China and 157 other countries.

2 mod_pagespeed is leading in Poland.