| WordPress SU | WordPress MU |
| - Supports one blog with multiple users. | - Supports multiple blogs and multiple users. One User can write for multiple blogs. |
| - Just 5 minutes to install it. | - Setup is more lengthy and a bit long. |
| - No Advance service required from hosting server. | - Wildcard DNS support requires to use the sub-domain feature. |
| - Fast installation from Fantastico etc.., tools and many web hosting provider. | - Need to do manually installation. |
| - Each user is assigned a role level (subscriber, contributor, author, editor, administrator). | - We can assign standard WordPress roles, like site admin who can add/edit/delete all blogs and users. |
| - Receives updates first | - MU users must wait for WordPress updates to be applied to WordPress MU. |
| - Administrators can edit themes, plugins, and code files from within WordPress. | - The Theme Editor, Plugin Editor, and Manage Files sections are all disabled for security reasons. |
| - Plugins can be enabled/disabled by the blog administrator. | - The site admin have an option to Plugin disabled altogether (the default setting), or allow blog administrators to enable/disable Plugin that have been uploaded.
Plugins can also be uploaded to a special “mu-plugins” folder, where they will be executed automatically on all blogs. |
| - If multiple blogs running standard WordPress, you’d need to upload plugin updates to each one. | - Plugins for all WordPress MU blogs are stored in one place. Update once and it takes effect on all the site’s blogs. |
| - If multiple blogs running standard WordPress, you’d need to login to each one separately to access the administration. | - Switch between blog admin using a simple drop-down menu. |
| - Allows to use most HTML in your posts, but strips out PHP. | - In addition to removing PHP, WordPress MU is more strict in regards to what post HTML it accepts. For example, it will strip out class/ID attributes, inline styles, <span> tags, etc. |
| - WordPress allows posting via email | - WordPress MU have not this feature. |
| - WordPress lets you customize its list of update services. | - WordPress MU does not specify update services. |
Shane G.
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