Change the header/footer of the front- and backend of WordPress Multisite
As of April 2026, Sitewide (Admin) Header/Footer is a WordPress admin plugin with 40 active installations and a 5/5 rating from 2 reviews. It has been downloaded 6.3K+ times in total. Requires WordPress 3.0+ and PHP false+. Available on WordPress.org since 2010. Last updated 14 years ago — may have compatibility concerns. Top alternative: Loginizer.
This plugin allows you to add your code/text to the headers and footers on all the blogs in the blog network and in the backend of all blogs too.
In addition, it is possible to replace the footer bar text in the backend completely.
You can access the settings under Network Admin -> Settings.
| WordPress | 3.0+ requiredTested up to 3.2.1 |
| PHP | false+ required |
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