Open Graph metadata

og:image:alt

Describes what appears in the preceding og:image. It is a description, not a caption.

Code examples

<meta property="og:image:alt" content="Team collaborating on a web development project">

States the visible subject and action.

<meta property="og:image:alt" content="Line chart showing monthly signups rising from 200 to 850">

Includes the chart’s useful information, not just its format.

<meta property="og:image:alt" content="image1.jpg">

A filename does not tell the reader what the image contains.

<meta property="og:image:alt" content="">

Open Graph says an og:image should have a corresponding og:image:alt description.

01
Describe This Image
Write useful replacement text for the specific image URL immediately before this property.
02
Avoid Redundancy
Skip phrases such as “image of” when the description reads clearly without them.

property

Provides the URL of an audio file that accompanies the Open Graph object.

<meta property="og:audio" content="https://example.com/birdsong.mp3">

An absolute, public URL to the audio file.

property

Provides an alternate HTTPS URL for the audio declared by the preceding og:audio property.

<meta property="og:audio:secure_url" content="https://example.com/music/song.mp3">

A valid HTTPS alternate for the audio resource.

property

Provides the MIME type of the audio resource declared by the preceding og:audio property.

<meta property="og:audio:type" content="audio/mpeg">

The registered media type for MP3 audio.

property

An alias of og:audio. It provides the URL of an audio file that accompanies the object.

<meta property="og:audio:url" content="https://example.com/audio.mp3">

An absolute URL to the audio file.

property

Provides a one or two sentence description of the Open Graph object.

<meta property="og:description" content="A practical guide to choosing and caring for indoor plants in low-light rooms.">

Explains the subject in one specific sentence.