1.
Optimizing your site
Ryan Tvenge

2.
Main Culprits
@imports in CSS
Too many server requests (concatenation)
Image Optimization
Unoptimized images
Unneeded images (web fonts)
Slow jQuery selectors

3.
jQuery Speed
Slower: $("#id.class");
Faster: $("#id");
Slower: $("#id p");
Faster: $("#id").find("p");
Avoid loops (ex: .each(), for())

4.
Tools
Wordpress Caching Plugin
Concatenation/Minification/cache html
W3 Total Cache (> granular)
WP Super Cache (easier setup)
html5 Boilerplate
Gzip/caching/keep-alive already configured

5.
CodeKit
JSHints (JS syntax)
Optimizes images
Handles Preprocessors
OSX Only

6.
Google Page Speed
Tells you why your site sucks