Sailthru Horizon
316 websites

Sailthru Horizon is free to use

http://getstarted.sailthru.com/

Third, enter your full Horizon subdomain, i.e. horizon.yourdomain.com, under the "Horizon Subdomain" field in your Sailthru account settings.

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UberTags
59 websites

UberTags offers both free and paid options

http://UberTags.com

UberTags built the easiest way to manage website tagging. Websites increasingly use code snippets called tags to make their websites runtags are used for integrating analytics, marketing conversion tracking (pixels), surveys, video, widg...

Market Share by Top Websites

2 Sailthru Horizon is leading in Top 10K Sites, Top 100K Sites and Top 1M Sites.

Websites Categories

1 Sailthru Horizon has better usage coverage in more websites categories. Including News & Media, Food & Drink, Arts & Entertainment, Travel & Tourism and 17 other categories.

2 UberTags is leading in Law & Government and Computers Electronics & Technology.

Geography

1 Sailthru Horizon is leading in most countries, including United States, United Kingdom, Canada, Hungary and 24 other countries.

2 UberTags is leading in Malaysia, South Africa, Algeria, Azerbaijan and one other country.