Description
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.
The Open Graph Protocol Framework WordPress plugin is aimed at automating the process of adding basic and optional metadata to a site’s pages. It is also designed to act as a framework for other plugins or themes and allows to modify and adapt the information provided as needed.
Usage
Install and activate the plugin. It will automatically render the following metadata for posts, pages, etc. :
og:title
: The page’s title is used, this provides the title for posts, pages, archives etc.og:type
: The type will bearticle
in general,website
for the front page andblog
for the blog homepage.og:image
: For post types that support featured images, the URL of the featured image is used. Additional metadataog:image:width
andog:image:height
is added.og:url
: The URL of the current page.og:site_name
: The name of the site.og:description
: Uses the full excerpt if available, otherwise derives it from the content. For author and archive pages, the type of page and title is used.
Filters
This section is for developers. If you’re not a developer, you can safely skip it.
The plugin provides the following filters:
open_graph_protocol_meta
This filter allows to modify the value of the content
attribute for a given meta tag. It is invoked for every supported type of metadata.
Parameters:
string
content
– the current value of thecontent
attributestring
property
– the metadata name, for exampleog:title
Filters must return:
string
the desired value of thecontent
attribute
open_graph_protocol_meta_tag
This filter allows to modify the actual HTML <meta>
tag that is rendered in the <head>
section of pages.
Parameters:
string
HTML<meta>
tagstring
property
– the metadata name, for exampleog:title
string
content
– the value of thecontent
attribute
Filters must return: – string
the desired output for the HTML <meta>
tag
open_graph_protocol_metas
This filter allows to add or remove metadata before it is rendered.
Parameters:
array
of metadata indexed by metadata name
Filters must return: – array
of metadata indexed by metadata name
open_graph_protocol_echo_metas
This filter allows to modify the HTML that renders the plugin’s meta tags in the <head>
section.
Parameters:
string
HTML with<meta>
tags to be rendered
Filters must return: – string
HTML with <meta>
tags to be rendered