Book Image

Mobile Web Performance Optimization

By : S. S. Niranga
Book Image

Mobile Web Performance Optimization

By: S. S. Niranga

Overview of this book

With users increasingly accessing the web on mobile devices, it’s crucial to make sure your website is built to seamlessly fit this radical change in user behavior. Mobile Web Performance Optimization is designed to help you do exactly that – it’s been created to help you build fast, and mobile-user-friendly websites and applications. Featuring guidance through a range of techniques and tools essential to modern mobile development, this accessible guide will make sure you’re delivering a seamless and intuitive experience for your website’s users. Begin by exploring the fundamental components of mobile web design and website optimization, before learning how to put the concepts into practice. Featuring cross-platform solutions, insights on developing lightweight yet robust UI, and insights on how to successfully manage data, this application development book takes you through every stage in the development process – so you can be confident that you’re asking the right questions and using the best tools in the most effective way. By the end, you’ll understand implicitly what it means to ‘build for performance’- you’ll be a more confident developer, capable of building projects that adapt to a changing world.
Table of Contents (14 chapters)
Mobile Web Performance Optimization
Credits
About the Author
About the Reviewer
www.PacktPub.com
Preface
Index

Displaying none in CSS


When we apply display:none rule using CSS we can hide HTML elements. Although you can hide an element from the frontend view using display:none property, this doesn't prevent the object from being downloaded to mobile devices. As a result, these elements will slow down your mobile site or application.

However, if you are going to hide an image from mobile devices and your intention is to remove it completely from mobiles, there is a method that you can use. For example, to hide an image from being displayed, we use the following code:

<div style="display:none;">
<img src="myimage.jpg" alt="" />
</div>

However, this method doesn't prevent it being downloaded to the device. To avoid this, we can use this image as a DIV background and hide it using CSS:

<style>
.imagehide {display: none;}
.mybackground {background: url(myimage.jpg) no-repeat; }
</style>

<div class="mybackground imagehide"> </div>

Using the preceding method, we can...