Site Speed and Performance

Hi,

Are there any good links or articles on the web that you recommend reading that will help me determine how to improve the performance and site speed of my website?

At the moment, my website is running very low, even though it is a fresh install.

Here are some details about my website:
-WP version 4.2.3
-This is a fresh install, that I put up two days ago

Active Plugins
-Alkismet
-BuddyPress
-K Elements
-Limit Login Attempts
-Memberships2
-MarketPress

Inactive Plugins
-Clef
-Go Daddy Quick Setup

Active Theme
-Blogs MU
Inactive Themes
-Only default themes from 2013-2015

Hosting Provider is GoDaddy.

Jeff