Book Image

Implementing NetScaler VPX??? - Second Edition

By : Marius Sandbu
Book Image

Implementing NetScaler VPX??? - Second Edition

By: Marius Sandbu

Overview of this book

With a large demand for responsive websites and availability of services, IT administrators are faced with an ever-rising need for services that are optimized for speed. NetScaler VPX is a software-based virtual appliance that provides users with the comprehensive NetScaler feature set. Implementing apps and cloud-based services is much easier with its increased service performance and integrated security features. This book will give you an insight into all the new features that NetScaler VPX™ has to offer. Starting off with the basics, you will learn how to set NetScaler up and configure it in a virtual environment including the new features available in version 11, such as unified gateway and portal theme customization. Next, the book will cover how to deploy NetScalar on Azure and Amazon, and you will also discover how to integrate it with an existing Citrix infrastructure. Next, you will venture into other topics such as load balancing Microsoft and Citrix solutions, configuring different forms of high availability Global Server Load Balancing (GSLB), and network optimization. You will also learn how to troubleshoot and analyze data using NetScaler's extensive array of features. Finally, you will discover how to protect web services using an application firewall and will get to grips with other features such as HTTP, DOS, and AAA.
Table of Contents (15 chapters)
Implementing NetScaler VPX™ Second Edition
About the Author
About the Reviewer

Frontend optimization

Most websites today consist of a huge piece of CSS that contains style sheets that define how a website should look. Many have JavaScript to make the website more dynamic. Many sites are also media-heavy, meaning that they have a large amount of image and video content. A common problem with these sites that they are not always optimized for mobile users in terms of delivery.

This is where frontend optimization comes in—it allows NetScaler to optimize data before sending it back to the client.

So what can frontend optimization actually do? Here's a list:

  • JavaScript

    • Make inline

    • Minify

  • Image

    • Shrink to attributes

    • Convert GIF to PNG

    • Lazy load

    • Make inline

    • Optimize

    • Convert to WEBP

    • Convert to the JXR format

  • CSS

    • Make inline

    • Combine

    • Convert imports to links

    • Minify

    • Image inline

  • HTML

    • Remove comments from HTML

  • Domain sharding

Some of these are self-explanatory, but some require some more description, for instance, image lazy loading. When loading a website on a mobile device, it is common that the mobile...