This plugin inserts the fb:app_id meta property to fix the Facebook Sharing Debugger error «The following required properties are missing: fb:app_id»
As of April 2026, Fix missing property app_id is a WordPress head plugin with 100 active installations and a 5/5 rating from 2 reviews. It has been downloaded 1.8K+ times in total. Requires WordPress 5.4+ and PHP 7.0+. Available on WordPress.org since 2021. Last updated 3 years ago — may have compatibility concerns. Top alternative: Header and Footer Scripts.
This plugin is usefull to website owners who share links from their website on Facebook. If you debug your website URL with the Facebook Sharing Debugger you might see a warning with the following message.
Missing Properties: The following required properties are missing: fb:app_id
This plugin inserts the required meta property with the given app_id. You have to create a facebook app to get the app_id!
To create a facebook app, visit Facebook Developers
That is the App ID you need to copy.
On your WordPress Admin:
| WordPress | 5.4+ requiredTested up to 6.1.10 |
| PHP | 7.0+ required |
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