Open Graph Meta Tags allow for some control over how information goes from a third party to a social media platform. This is done by using Open Graph meta tags in the <head> part of the landing page.
These tags can affect conversion and click-through rates. They don't directly affect the on-page SEO but will help with the links on social media.
Facebook Open Graph Meta Tags
This is the title that shows on the thumbnail. Without this tag, it will use the meta title instead.
eg. <meta property="og:title" content="Your eye-catching title here" />
This allows you to define one page that all the shares will go to when you have more than one URL for the same.
eg. <meta property="og:url" content="http://www.yourdomain.com"/>
This is for describing the kind of object you are sharing (blog post, video, picture, etc.) which is useful as it will determine if your content will appear in a user's interest section of her profile if they 'Like' it.
meta property="og:type" content="website" />
This is where you describe your content, but instead of it showing on a search engine results page, it shows below the link title on Facebook.
Note: This won't affect your SEO.
<meta property="og:description" content="Your entertaining and descriptive copy here, if your meta description is good, use it." />
This is how you ensure that a particular thumbnail will be shown when your page is shared.
eg. <meta property="og:image" content="http://www.yourdomain.com/image-name.jpg"/>
Advanced Open Graph Tags
og:locale - defines the language
og:site_name - if the page (object) you are sharing is part of a larger netw
og:audio or og:video - to add additional audio or video files to your object
fb:app_id - for linking to a Facebook application (e.g., FB Comments) with the object
To share the page's content on LinkedIn, the following tags must exist and in their correct format:
There are also image requirements specific to the LinkedIn sharing module:
Max file size: 5mb
Minimum image dimensions: 1200 (w) x 627 (h) pixels
Recommended ratio: 1.91:1
Twitter Card Tags
Must be set to a value of 'summary'
The Twitter @username the card should be attributed to.
A concise title for the related content.
A description that concisely summarizes the content as appropriate for presentation within a Tweet.
A URL to a unique image representing the content of the page.
A text description of the image conveying the essential nature of an image to users who are visually impaired. Maximum 420 characters.
Using Open Graph Tags and Twitter Cards
The Open Graph tags can be added to your landing pages by going to Advanced Settings and inserting them into the Meta Tags under the SEO.
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