Schema.org tags can be included in an HTML page using a number of methods, but the most common way is to add them as attributes to HTML tags. Here are some examples:
It's important to note that the schema.org tags should be added in a way that is consistent with the HTML structure and doesn't interfere with the user experience. Additionally, it's a good practice to validate the schema.org tags using Google's Structured Data Testing Tool or other similar tools.
Schema.org tags can be placed in various sections of an HTML page, depending on the specific data and use case. Here are some common locations:
Remember that the placement of schema.org tags should align with the structure and content of your HTML page. You should also ensure that the tags are valid and correctly specify the data you intend to mark up.