Market Share by Top Websites

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

2 Despite its recent growth, ConvertKit is still behind Postmark in all market share segments.

Websites Categories

1 Postmark has better usage coverage in more websites categories. Including Internet & Telecom, Business & Industry, People & Society, Computer & Electronics and 225 other categories.

2 ConvertKit hasn't got a lead over Postmark in any websites category.


1 Postmark is leading in most countries, including United States, United Kingdom, Australia, Canada and 154 other countries.

2 ConvertKit is leading in Bermuda.