OpenGraph and Twitter Cards are two metadata sets that allow to describe web pages and make it more understandable for Facebook and Twitter respectively.
OpenGraph and Twitter Cards are two metadata sets that allow to describe web pages and make it more understandable for Facebook and Twitter respectively.
https://schema.org is a markup system that allows to embed structured data on their web pages for use by search engines and other applications. Let's see how to add Schema.org to our pages on Yii2 based websites using JSON-LD.