Drupal 8
38,905 websites

Drupal 8 is free to use

https://www.drupal.org/8

Version 8 of Drupal.

VS

Hubspot COS
35,785 websites

Hubspot COS offers both free and paid options

https://www.hubspot.com/products/marketing/content-optimization-system

Build a powerful website that’s optimized for every device, personalized for every visitor, and integrated with all your marketing tools – right out of the box.

Market Share by Top Websites

1 Drupal 8 is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Hubspot COS is clearly lagging behind, losing to Drupal 8 in all segments.

Websites Categories

1 Hubspot COS has better usage coverage in more websites categories. Including Computers Electronics & Technology, Business & Consumer Services, Arts & Entertainment, Finance and 9 other categories.

2 Drupal 8 is leading in Science & Education, Law & Government, Health, Travel & Tourism and 7 other categories.

Geography

1 Drupal 8 is leading in most countries, including France, Russia, Belgium, Spain and 106 other countries.

2 Hubspot COS is leading in United States, United Kingdom, Germany, India and 44 other countries.