Elementor is the more common of the two in our index: it runs on 923 websites against 841 for Notion, and 17 sites use both. Counts come from real scans, not vendor claims.
Elementor is a website builder platform for professionals on WordPress.
Notion is a collaboration platform with modified Markdown support that integrates kanban boards, tasks, wikis, and database.
17 sites run both Elementor and Notion. That is 2% of the sites using Notion, the smaller of the two.
Want to know which one a particular site uses? Look it up and see its whole stack, or compare two sites side by side.