ABOUT THIS BOOK
xv
Roadmap
Part 1 “Defining performance” teaches you the valuable skills you need to understand in
order to begin improving the performance of your website. It explains the importance of
focusing on the front-end code in order to achieve the biggest and most scalable gains.
Chapter 1 explains the value and benefits that optimizing your websites will bring.
It also shows you the steps you’ll need to take in order to optimize your websites by
using the Performance Cycle.
Chapter 2 focuses on the basics of
HTTP
so you understand the processes that take
place under the hood. The chapter then shows you the essential tips and tools you’ll
need in order to interpret performance charts when you’re profiling your website. You’ll
then look at the different profiling tools that you’ll be using throughout this book.
Part 2 “General performance best practices” is where the real work begins. You’ll
start to investigate and apply individual techniques to improve the performance of
your web applications.
Chapter 3 covers compression and why you should use it. After going through the
different types of compression, you’ll look at the Surf Store application used through-
out this book. You’ll then apply compression to the sample application and compare
the difference in page sizes.
Chapter 4 looks at
HTTP
caching and shows how you can use it to improve the per-
formance of your web applications. The chapter also shows you how to apply output
caching to your
ASP
.
NET
projects.
Chapter 5 explains the new bundling and minifying features built into
ASP
.
NET
4.5. You’ll then run through examples and apply them to the Surf Store application.
Chapter 6 dives a little deeper into web performance and offers
HTML
optimiza-
tion tips and techniques you can apply to your web pages. It also explains the perfor-
mance benefits
HTML5
can bring, as well as ways to integrate these
HTML5
techniques
into your web pages.
Chapter 7 discusses the importance of image optimization and how it can signifi-
cantly reduce the weight of your web pages. This chapter looks at the different image
optimization tools available and shows you how to use them. The chapter discusses the
benefits data
URI
s can bring and walks you through an end-to-end example that dem-
onstrates how you can apply data
URI
s to an
ASP
.
NET
application.
Chapter 8 discusses
ET
ags and explains their usage on the web today. It explores
whether you should or shouldn’t be using them in your web application and runs
through an example that demonstrates how to remove
ET
ags from your application.
Chapter 9 focuses on Content Delivery Networks (
CDN
s) and the benefits they can
bring in terms of speed and performance. It teaches you how to build a simple
HTML
helper that you can use in your
ASP
.
NET
development when dealing with
CDN
s. This
technique can help you save money and bandwidth expenses when dealing with
CDN
s
in a development environment.
Part 3 “
ASP
.
NET
-specific techniques” starts to shift focus slightly and looks at
ASP
.
NET
optimization techniques that are based on server-side code.
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