Microdata markup is an automatic method in which Javascript adds schema annotation into the head of the page.

Microdata markup is not an automatic method using JavaScript in the head of the page. Instead, it's a way to embed structured data directly within the existing HTML of a webpage using specific HTML attributes (like itemscope, itemtype, and itemprop). This allows search engines to better understand the content. While JavaScript can be used to dynamically add or manipulate structured data (e.g., using JSON-LD), Microdata itself is an HTML-based specification. Therefore, the statement is false because it incorrectly describes Microdata's implementation method and location.