Enej Bajgorić

ctlt-dev

oltdev

An easy way to modify the css globally on your site.
As an admin you are able to edit the css from the front end.

Improved Simpler CSS

Add the ability to add css to your existing style sheet.

sevenspark

The new accessibility javascript in the Appearance > Menus panel in WordPress 3.6 can significantly slow the page load speed when using a large number of menu items (> 50). This plugin defers the accessibility processing to eliminate the scripting bottleneck and allow the Appearance > Menus screen to run much faster and more responsively.
<a href="http://sevenspark.com/wordpress/speeding-up-the-appearance-menus-screen-in-wordpress-3-6" rel="nofollow ugc">Full details</a>
This solution is fairly rough. Hopefully we can develop a robust solution that can eventually become part of the core. Pull requests through GitHub are welcome.

Improved Simpler CSS vs Faster Appearance – Menus