BigIP
64,825 websites

BigIP costs money

http://www.f5.com/products/big-ip/

The BIG-IP product suite is a system of application delivery services that work together on the same best-in-class hardware platform or software virtual instance. From load balancing and service offloading to acceleration and security, the ...

VS

Citrix NetScaler
43,573 websites

Citrix NetScaler offers both free and paid options

http://www.citrix.com/products/netscaler-application-delivery-controller/overview.html

Citrix NetScaler is an all-in-one web application delivery controller that makes applications run five times better, reduces web application ownership costs, and makes sure that applications are always available. It is deployed in thousand...

Market Share by Top Websites

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

2 In terms of market share, Citrix NetScaler is clearly lagging behind, losing to BigIP in all segments.

Websites Categories

1 BigIP has better usage coverage in more websites categories. Including Science & Education, Finance, Computers Electronics & Technology, Law & Government and 17 other categories.

2 Citrix NetScaler is leading in Arts & Entertainment, Adult and Games.

Geography

1 BigIP is leading in most countries, including United States, China, United Kingdom, France and 82 other countries.

2 Citrix NetScaler is leading in Japan, Turkey, India, Russia and 66 other countries.