Frontmatter is a common authoring convention, originally popularized by Jekyll that lets you add metadata to a page. It consists of a block of key-value pairs placed at the top of a Markdown file.
Elements supports the following frontmatter
- title
- date
- image
- tags
Generally used for a post or page title.
title: "Hello World"
In the following format, year-month-day.
date: "2025-03-17"