The Open Graph protocol enables any web page to become a rich object in a social graph. For instance, this is used on Facebook to allow any web page to have the same functionality as any other object on Facebook. - Open Graph Docs
website :These tags are used to increase the shareability of the website and make it appear better when shared on social media platforms. It is important that you fill out each tag according to the content and purposes of the website.
<meta property="title" content="Freelancer Web Developer Tuğrul Yıldırım"/> <meta property="description" content="Tuğrul Yıldırım is a freelance web developer who has been developing websites for over 10 years. He has developed many websites for many companies etc"/>