Wix
518,922 websites

Wix is free to use

http://www.wix.com/

Wix.com is a cloud-based web development platform that allows users to create professional HTML5 websites and mobile sites, through the use of their online drag and drop tools.

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Zendesk Knowledge Base
19,041 websites

Zendesk Knowledge Base costs money

https://www.zendesk.com/guide/features/knowledge-base-software/

Zendesk Knowledge Base allows you to create, organize, and share content easily with agents, select customers, or the public and measure what performs best.

Market Share by Top Websites

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

2 In terms of market share, Zendesk Knowledge Base is clearly lagging behind, losing to Wix in all segments.

Websites Categories

1 Wix has better usage coverage in more websites categories. Including Food & Drink, Arts & Entertainment, Science & Education, Games and 18 other categories.

2 Zendesk Knowledge Base is leading in Computers Electronics & Technology and Finance.

Geography

1 Wix is leading in most countries, including United States, United Kingdom, Canada, France and 160 other countries.

2 Zendesk Knowledge Base hasn't got a lead over Wix in any country.