Learn about how to use meta tags for SEO, including the page title and meta description tags. Best practices, implementation, and more.

However, if you want to include meta tags within your blog, you do need to edit its HTML code. Adding meta tags to your blog allows you to include information that may affect how well it performs ...

By using a TinEye-like tool, the image or derivatives of it can be searched for in the database, which will retrieve the relevant metadata.

Google on How it Handles Extra Meta Descriptions and Title Tags Google's John Mueller's answer provides a glimpse into Google's strategy for handling invalid HTML and mistakes.