# H1 Tag

##### Summary

This glossary contains definitions of technical and marketing terms referenced across DAO.AD documentation.

##### Definition

<span style="color: rgb(86, 86, 106); background-color: rgb(255, 255, 255);">A H1 tag is the main heading tag on a webpage, often the title, and is considered the most important tag. It is followed by a H2 tag for a subheading, a H3 tag for a smaller heading and so on.</span>

##### Used in

- [Statistics API](https://wiki.dao.ad/books/api-docs/page/statistics-api "Statistics API")
- [Campaign Management API](https://wiki.dao.ad/books/api-docs/page/campaign-management-api "Campaign Management API")

##### Last Updated

2026-07-05 · Owner: wiki@dao.ad