Open Graph

All Open Graph meta tags are generated automatically just like meta title and meta description.

Actually, it inherits from these meta tags. The og:title is the meta title, og:description is the meta description.

Slim SEO supports the following Open Graph tags:

Tag	Description
og:title	Title: inherits from meta title.
og:type	Type: article if on a singular pages/posts, website on other pages.
og:image	Image: URL of the featured image. Only available for singular pages/posts.
og:image:width	Image width: width of the featured image.
og:image:height	Image height: width of the featured image.
og:image:alt	Image alt text: alt text of the featured image.
og:description	Description: inherits from meta description.
og:url	URL: permalink of the singular posts/pages.
og:locale	Locale: get from WordPress's settings.
og:site_name	Site name: get from WordPress's settings.
article:published_time	Article published time: get from post's published time. Only available for singular pages/posts.
article:modified_time	Article modified time: get from post's modified time. Only available for singular pages/posts.
og:updated_time	Article updated time: same as article modified time.
article:section	Article section: post category (the first one).
article:tag	Article tags: post tags.

See list of all available Open Graph tags supported by Facebook.

Please note that if you set your homepage as a static page, then the plugin treats it like a normal page.