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 223 other categories.

2 ConvertKit is leading in Home Improvement and Interior Decor.


1 Postmark is leading in most countries, including United States, Canada, United Kingdom, Spain and 162 other countries.

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