ChartBeat
18,678 websites

ChartBeat offers both free and paid options

https://chartbeat.com/

Chartbeat is a betaworks company that provides realtime analytics to Websites and blogs. It shows visitors, load times, and referring sites on a minute-by-minute basis. The service also provides alerts the second your Website crashes or s...

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Optimizely
162,903 websites

Optimizely offers both free and paid options

http://www.optimizely.com/

Simple, fast, and powerful. Optimizely is a dramatically easier way for you to improve your website through A/B testing. Create an experiment in minutes with our easy-to-use visual interface with absolutely no coding or engineering required...

Market Share by Top Websites

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

2 ChartBeat is leading in Top 10K Sites.

Websites Categories

1 Optimizely has better usage coverage in more websites categories. Including Games, Arts & Entertainment, Computers Electronics & Technology, Vehicles and 19 other categories.

2 ChartBeat is leading in News & Media.

Geography

1 Optimizely is leading in most countries, including United States, United Kingdom, Canada, Germany and 159 other countries.

2 ChartBeat is leading in Tajikistan and Afghanistan.