dubhunter

WordPress’s themes are absolutly amazing, except you are not able to theme the login pages very well. 
DBD Login Style is a light weight plugin that will allow you full theme control over the login pages. 
It also offers additional DIV tag creation for custom messages.
Some Features:
<ul>
<li>Specify CSS style sheet for login pages.</li>
<li>Change the URL and TITLE of the header link.</li>
<li>Add specific messages to the different login pages (Login, Registration, Forgot Password)</li>
<li>Change various error messages on login and registration pages.</li>
</ul>

DBD Login Style

Add style to your login page!! This plugin enables you to specify a style sheet to be used on the login page.

nigro.simone

This small plugin (10 Kb) enables browser caching in your Apache web server and help browser to cache a local copy of static files and improve page load times.
Configurations are not required! You just have to install it and after the plugin does it all, none further action it’s required.

Speed Up – Browser Caching

Help browser to cache a local copy of static files and improve page load times.

DBD Login Style vs Speed Up – Browser Caching