The Open Graph Protocol makes each page social object. This becomes by describing things on the Internet. You can set the type, title, description, address, contact information, even a specific location.
At present, in cyberspace has many semantic web technologies - microdata, microformats, RDFa, ... However, none of them provides a complete data description on the Internet.
Facebook established Open Graph Protocol to improve the representing of things in the social network. The main goal of people who have developed a protocol is that it be maximally simplified. This facilitates integration into web pages, and any Internet object or web page becomes part of the social graph.
By using the protocol that you provide accurate information that search engines need. This can raise the rank of your pages. This can relocate your website to higher positions in search engines like Google, because Google detects Open Graph meta tags.
Initially, you can set your type of site. This will be:
Then you can specify descriptive information about your pages with contacts. This is useful for your business site. The types are:
You can also describe films, audio or some other known object from the real world:
If you have a Facebook profile you can put your ID. Thus the social networking will identify you as an administrator of the site.
01 Add these two namespace schemes in the html tag on your site. It might look like this:
02 Add next four tags listed below. They are not mandatory but it is recommended to put them into your web page.
That is all you need to do. You can find more information and a list of all Facebook Share tags here.
Facebook provides a tool for testing Open Graph Protocol. You can use it to check how the information will be presented.
In conclusion, I would say that the use of Open Graph Protocol is a new beginning in the presentation of data on the Internet. Links to your site that are shared in Facebook will be displayed properly. Information will be presented as you wish. And search engines will thank you for the assistance, which lend.
A few days ago I published an extension for Joomla! which adds Open Graph data into the site content. If your site is based on Joomla! you can download ITPMeta and use it absolutely free.