1
Constant Contact is leading in Top 1M Sites and The Entire Web.
2
UniSender is leading in Top 10K Sites and Top 100K Sites.
1
Constant Contact has better usage coverage in more websites categories. Including Science & Education, Community & Society, Law & Government, Health and 12 other categories.
2
UniSender is leading in Computers Electronics & Technology, Lifestyle, Home & Garden, Vehicles and 4 other categories.
1
Constant Contact is leading in most countries, including United States, Canada, India, United Kingdom and 125 other countries.
2
UniSender is leading in Russia, Ukraine, Belarus, Kazakhstan and 16 other countries.