Search icon CANCEL
Subscription
0
Cart icon
Your Cart (0 item)
Close icon
You have no products in your basket yet
Arrow left icon
Explore Products
Best Sellers
New Releases
Books
Videos
Audiobooks
Learning Hub
Free Learning
Arrow right icon
Mobile Web Performance Optimization
Mobile Web Performance Optimization

Mobile Web Performance Optimization: Deliver a better mobile user experience by improving and optimizing your website – follow these practical steps for cutting-edge application development

eBook
€8.99 €19.99
Paperback
€24.99
Subscription
Free Trial
Renews at €18.99p/m

What do you get with Print?

Product feature icon Instant access to your digital eBook copy whilst your Print order is Shipped
Product feature icon Paperback book shipped to your preferred address
Product feature icon Download this book in EPUB and PDF formats
Product feature icon Access this title in our online reader with advanced features
Product feature icon DRM FREE - Read whenever, wherever and however you want
OR
Modal Close icon
Payment Processing...
tick Completed

Shipping Address

Billing Address

Shipping Methods
Table of content icon View table of contents Preview book icon Preview Book

Mobile Web Performance Optimization

Chapter 2. Mobile Web Optimization Essentials

By now you know the limitations of the mobile devices and why Mobile Web Optimization is necessary. In this chapter, I will share with you some of my experiences that I have learned from in the last couple of years. The majority of these techniques are fairly easy to implement, but the outcome that they produce is huge. So, I encourage you to go through each section thoroughly because they hold the key to revealing the secrets of Mobile Web Optimization world.

Also, I assume you at least have a basic knowledge of web design and frontend web development to understand this chapter properly. However, if you are new to the game, don't worry; I can assure you going through the following sections is not going to be a waste of time, and you will get many things out of them that you are going to remember for a long time.

In this chapter, we are going to discuss the following sections:

  • Mobile-only websites versus responsive websites
  • How to...

Mobile-only websites versus responsive websites

A couple of years ago I was given the opportunity to build a website for an insurance company. The website was modern, and it had many features. Even a user was able to customize and purchase an insurance policy by spending a couple of minutes browsing the website. After launching the website, the client realized that he had an excellent opportunity to enter the mobile market because back then, mobile browsing was in its early stages. So, the following month he contacted us and asked us to build a mobile version of the website.

When we read the requirement, we realized that the mobile website had a similar functionality; only the UI was going to be different. So, we used the same codebase that the desktop version had, and we created a new website using the existing code. This was a popular method at that time, and the mobile website had a different URL. Once the user entered the original website using a mobile device, our script detected the...

Image size matters

As mentioned in the previous chapter, mobile networks have many limitations compared to a wired connection. So, reducing the file size as much as possible is really essential in mobile web development. According to the data (https://developer.yahoo.com/performance/rules.html), 70-80 percent of sites' bandwidth is consumed by the images. Therefore, delivering smaller file size images with acceptable quality to the mobile will always provide a better outcome.

When it comes to image optimization, there are two key factors that you need to always keep in mind. They are as follows:

  • Resize your images to correct image resolution
  • Reduce the file size.

Resize your images to correct image resolution

There are two methods to measure the size of an image. You can get the image height and width and calculate the physical image size as well as the number of pixels. Also, you can measure the file size by calculating the byte count.

Images that are not appropriately sized will cause...

Unnecessary contents

Mobile devices have had an exquisite journey so far, but there are still some issues with them, because of their physical limitations. There are different sizes of smartphones and tablets available in the market and to serve those devices, the developer should include flexibility into his design. However, many mobile users still find it a bit difficult to read mobile content because many developers try to add as much information on the mobile screen and most of the time they try to replicate the desktop screen in the mobile.

However, doing this does not only create performance issues for the mobile devices but it will also create some issues in user experience as well. So, when building a mobile website, developers should ask the following questions to themselves:

  • What are my users going to do with my mobile website or application?
  • What are the commonly used cases for my mobile application or website?
  • What is the most important information that I should provide for my user...

Why design and UX are important

UX is not a new concept to the mobile world. Because of the limitations of the mobile devices many designers and developers give their attention to UX but, the question of compromising between performance and UX still seeks a clear answer.

The fundamental of mobile UX is very similar to desktop UX. However, the mobile technology is still evolving at a rapid pace, and the UX best practices are still emerging.

Mobile UX is all about how to keep the balance between, things that you are going to keep on the home page and how are you going to manage the rest of the contents. Also, it is really important that you provide a strong visual element to the user to help, how to navigate the site. As an example, you should clearly define the clickable area in your website or application. Without clearly defined buttons, the user will get confused, and they will spend more time trying to find the website's behavior.

The following are a few points that you can consider...

Summary

In this chapter, we have discussed the importance of reducing HTTP requests and how to do so by using techniques such as CSS sprites and combining files. Also, we talked about the enabling of Gzip on the server and its benefits. We have discussed the importance of image optimization and the tools that we can use to do so. We have also discussed a few free online tools that we can make use of, and found that they are easy to handle. After this, we discussed content management and why it is necessary to remove duplicate contents. Finally, we explored the importance of UX and its effects on a mobile site.

In the next chapter, we will take a look at the techniques that we can use to optimize our mobile website. The chapter will guide you on how to use HTML 5, CSS3, media quarries, and much more.

Left arrow icon Right arrow icon

Key benefits

  • • Optimize your website or application for an improved mobile performance
  • • Learn how to create lightweight, intuitive mobile UI and make sure it's supported by a robust application architecture
  • • Find out how to improve the performance of your applications by asking the right design questions at each stage in the development workflow

Description

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.

Who is this book for?

This book has been created for web developers who want to optimize their website for today’s mobile users. If you understand just how important user experience is, this book is for you – it will help you throughout the entire optimization process.

What you will learn

  • • Learn the three pillars of mobile performance
  • • Find out how to ask – and answer – crucial design questions such as ‘mobile or responsive?'
  • • Learn how to minify CSS and JavaScript for improved performance
  • • Monitor and debug your website with the leading browser testing tools
  • • Explore the impact of caching on performance – and improve it using JavaScript and CSS frameworks
  • • Make third-party plugins your friend – avoid common issues and pitfalls
Estimated delivery fee Deliver to Belgium

Premium delivery 7 - 10 business days

€17.95
(Includes tracking information)

Product Details

Country selected
Publication date, Length, Edition, Language, ISBN-13
Publication date : Dec 28, 2015
Length: 150 pages
Edition : 1st
Language : English
ISBN-13 : 9781785289972
Category :

What do you get with Print?

Product feature icon Instant access to your digital eBook copy whilst your Print order is Shipped
Product feature icon Paperback book shipped to your preferred address
Product feature icon Download this book in EPUB and PDF formats
Product feature icon Access this title in our online reader with advanced features
Product feature icon DRM FREE - Read whenever, wherever and however you want
OR
Modal Close icon
Payment Processing...
tick Completed

Shipping Address

Billing Address

Shipping Methods
Estimated delivery fee Deliver to Belgium

Premium delivery 7 - 10 business days

€17.95
(Includes tracking information)

Product Details

Publication date : Dec 28, 2015
Length: 150 pages
Edition : 1st
Language : English
ISBN-13 : 9781785289972
Category :

Packt Subscriptions

See our plans and pricing
Modal Close icon
€18.99 billed monthly
Feature tick icon Unlimited access to Packt's library of 7,000+ practical books and videos
Feature tick icon Constantly refreshed with 50+ new titles a month
Feature tick icon Exclusive Early access to books as they're written
Feature tick icon Solve problems while you work with advanced search and reference features
Feature tick icon Offline reading on the mobile app
Feature tick icon Simple pricing, no contract
€189.99 billed annually
Feature tick icon Unlimited access to Packt's library of 7,000+ practical books and videos
Feature tick icon Constantly refreshed with 50+ new titles a month
Feature tick icon Exclusive Early access to books as they're written
Feature tick icon Solve problems while you work with advanced search and reference features
Feature tick icon Offline reading on the mobile app
Feature tick icon Choose a DRM-free eBook or Video every month to keep
Feature tick icon PLUS own as many other DRM-free eBooks or Videos as you like for just €5 each
Feature tick icon Exclusive print discounts
€264.99 billed in 18 months
Feature tick icon Unlimited access to Packt's library of 7,000+ practical books and videos
Feature tick icon Constantly refreshed with 50+ new titles a month
Feature tick icon Exclusive Early access to books as they're written
Feature tick icon Solve problems while you work with advanced search and reference features
Feature tick icon Offline reading on the mobile app
Feature tick icon Choose a DRM-free eBook or Video every month to keep
Feature tick icon PLUS own as many other DRM-free eBooks or Videos as you like for just €5 each
Feature tick icon Exclusive print discounts

Frequently bought together


Stars icon
Total 103.97
Mobile Web Performance Optimization
€24.99
Offline First Web Development
€36.99
Responsive Web Design with HTML5 and CSS3, Second Edition
€41.99
Total 103.97 Stars icon
Banner background image

Table of Contents

8 Chapters
1. Pillars of Mobile Web Performance Optimization Chevron down icon Chevron up icon
2. Mobile Web Optimization Essentials Chevron down icon Chevron up icon
3. How to Optimize Your Mobile Website Chevron down icon Chevron up icon
4. Caching and Optimizing Chevron down icon Chevron up icon
5. Monitoring and Debugging Our Website Chevron down icon Chevron up icon
6. Managing Third-Party Components Chevron down icon Chevron up icon
7. Tips and Tricks Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon
Get free access to Packt library with over 7500+ books and video courses for 7 days!
Start Free Trial

FAQs

What is the delivery time and cost of print book? Chevron down icon Chevron up icon

Shipping Details

USA:

'

Economy: Delivery to most addresses in the US within 10-15 business days

Premium: Trackable Delivery to most addresses in the US within 3-8 business days

UK:

Economy: Delivery to most addresses in the U.K. within 7-9 business days.
Shipments are not trackable

Premium: Trackable delivery to most addresses in the U.K. within 3-4 business days!
Add one extra business day for deliveries to Northern Ireland and Scottish Highlands and islands

EU:

Premium: Trackable delivery to most EU destinations within 4-9 business days.

Australia:

Economy: Can deliver to P. O. Boxes and private residences.
Trackable service with delivery to addresses in Australia only.
Delivery time ranges from 7-9 business days for VIC and 8-10 business days for Interstate metro
Delivery time is up to 15 business days for remote areas of WA, NT & QLD.

Premium: Delivery to addresses in Australia only
Trackable delivery to most P. O. Boxes and private residences in Australia within 4-5 days based on the distance to a destination following dispatch.

India:

Premium: Delivery to most Indian addresses within 5-6 business days

Rest of the World:

Premium: Countries in the American continent: Trackable delivery to most countries within 4-7 business days

Asia:

Premium: Delivery to most Asian addresses within 5-9 business days

Disclaimer:
All orders received before 5 PM U.K time would start printing from the next business day. So the estimated delivery times start from the next day as well. Orders received after 5 PM U.K time (in our internal systems) on a business day or anytime on the weekend will begin printing the second to next business day. For example, an order placed at 11 AM today will begin printing tomorrow, whereas an order placed at 9 PM tonight will begin printing the day after tomorrow.


Unfortunately, due to several restrictions, we are unable to ship to the following countries:

  1. Afghanistan
  2. American Samoa
  3. Belarus
  4. Brunei Darussalam
  5. Central African Republic
  6. The Democratic Republic of Congo
  7. Eritrea
  8. Guinea-bissau
  9. Iran
  10. Lebanon
  11. Libiya Arab Jamahriya
  12. Somalia
  13. Sudan
  14. Russian Federation
  15. Syrian Arab Republic
  16. Ukraine
  17. Venezuela
What is custom duty/charge? Chevron down icon Chevron up icon

Customs duty are charges levied on goods when they cross international borders. It is a tax that is imposed on imported goods. These duties are charged by special authorities and bodies created by local governments and are meant to protect local industries, economies, and businesses.

Do I have to pay customs charges for the print book order? Chevron down icon Chevron up icon

The orders shipped to the countries that are listed under EU27 will not bear custom charges. They are paid by Packt as part of the order.

List of EU27 countries: www.gov.uk/eu-eea:

A custom duty or localized taxes may be applicable on the shipment and would be charged by the recipient country outside of the EU27 which should be paid by the customer and these duties are not included in the shipping charges been charged on the order.

How do I know my custom duty charges? Chevron down icon Chevron up icon

The amount of duty payable varies greatly depending on the imported goods, the country of origin and several other factors like the total invoice amount or dimensions like weight, and other such criteria applicable in your country.

For example:

  • If you live in Mexico, and the declared value of your ordered items is over $ 50, for you to receive a package, you will have to pay additional import tax of 19% which will be $ 9.50 to the courier service.
  • Whereas if you live in Turkey, and the declared value of your ordered items is over € 22, for you to receive a package, you will have to pay additional import tax of 18% which will be € 3.96 to the courier service.
How can I cancel my order? Chevron down icon Chevron up icon

Cancellation Policy for Published Printed Books:

You can cancel any order within 1 hour of placing the order. Simply contact customercare@packt.com with your order details or payment transaction id. If your order has already started the shipment process, we will do our best to stop it. However, if it is already on the way to you then when you receive it, you can contact us at customercare@packt.com using the returns and refund process.

Please understand that Packt Publishing cannot provide refunds or cancel any order except for the cases described in our Return Policy (i.e. Packt Publishing agrees to replace your printed book because it arrives damaged or material defect in book), Packt Publishing will not accept returns.

What is your returns and refunds policy? Chevron down icon Chevron up icon

Return Policy:

We want you to be happy with your purchase from Packtpub.com. We will not hassle you with returning print books to us. If the print book you receive from us is incorrect, damaged, doesn't work or is unacceptably late, please contact Customer Relations Team on customercare@packt.com with the order number and issue details as explained below:

  1. If you ordered (eBook, Video or Print Book) incorrectly or accidentally, please contact Customer Relations Team on customercare@packt.com within one hour of placing the order and we will replace/refund you the item cost.
  2. Sadly, if your eBook or Video file is faulty or a fault occurs during the eBook or Video being made available to you, i.e. during download then you should contact Customer Relations Team within 14 days of purchase on customercare@packt.com who will be able to resolve this issue for you.
  3. You will have a choice of replacement or refund of the problem items.(damaged, defective or incorrect)
  4. Once Customer Care Team confirms that you will be refunded, you should receive the refund within 10 to 12 working days.
  5. If you are only requesting a refund of one book from a multiple order, then we will refund you the appropriate single item.
  6. Where the items were shipped under a free shipping offer, there will be no shipping costs to refund.

On the off chance your printed book arrives damaged, with book material defect, contact our Customer Relation Team on customercare@packt.com within 14 days of receipt of the book with appropriate evidence of damage and we will work with you to secure a replacement copy, if necessary. Please note that each printed book you order from us is individually made by Packt's professional book-printing partner which is on a print-on-demand basis.

What tax is charged? Chevron down icon Chevron up icon

Currently, no tax is charged on the purchase of any print book (subject to change based on the laws and regulations). A localized VAT fee is charged only to our European and UK customers on eBooks, Video and subscriptions that they buy. GST is charged to Indian customers for eBooks and video purchases.

What payment methods can I use? Chevron down icon Chevron up icon

You can pay with the following card types:

  1. Visa Debit
  2. Visa Credit
  3. MasterCard
  4. PayPal
What is the delivery time and cost of print books? Chevron down icon Chevron up icon

Shipping Details

USA:

'

Economy: Delivery to most addresses in the US within 10-15 business days

Premium: Trackable Delivery to most addresses in the US within 3-8 business days

UK:

Economy: Delivery to most addresses in the U.K. within 7-9 business days.
Shipments are not trackable

Premium: Trackable delivery to most addresses in the U.K. within 3-4 business days!
Add one extra business day for deliveries to Northern Ireland and Scottish Highlands and islands

EU:

Premium: Trackable delivery to most EU destinations within 4-9 business days.

Australia:

Economy: Can deliver to P. O. Boxes and private residences.
Trackable service with delivery to addresses in Australia only.
Delivery time ranges from 7-9 business days for VIC and 8-10 business days for Interstate metro
Delivery time is up to 15 business days for remote areas of WA, NT & QLD.

Premium: Delivery to addresses in Australia only
Trackable delivery to most P. O. Boxes and private residences in Australia within 4-5 days based on the distance to a destination following dispatch.

India:

Premium: Delivery to most Indian addresses within 5-6 business days

Rest of the World:

Premium: Countries in the American continent: Trackable delivery to most countries within 4-7 business days

Asia:

Premium: Delivery to most Asian addresses within 5-9 business days

Disclaimer:
All orders received before 5 PM U.K time would start printing from the next business day. So the estimated delivery times start from the next day as well. Orders received after 5 PM U.K time (in our internal systems) on a business day or anytime on the weekend will begin printing the second to next business day. For example, an order placed at 11 AM today will begin printing tomorrow, whereas an order placed at 9 PM tonight will begin printing the day after tomorrow.


Unfortunately, due to several restrictions, we are unable to ship to the following countries:

  1. Afghanistan
  2. American Samoa
  3. Belarus
  4. Brunei Darussalam
  5. Central African Republic
  6. The Democratic Republic of Congo
  7. Eritrea
  8. Guinea-bissau
  9. Iran
  10. Lebanon
  11. Libiya Arab Jamahriya
  12. Somalia
  13. Sudan
  14. Russian Federation
  15. Syrian Arab Republic
  16. Ukraine
  17. Venezuela