Book Image

Responsive Web Design with HTML5 and CSS - Fourth Edition

By : Ben Frain
3.5 (4)
Book Image

Responsive Web Design with HTML5 and CSS - Fourth Edition

3.5 (4)
By: Ben Frain

Overview of this book

Responsive Web Design with HTML5 and CSS, Fourth Edition, is a fully revamped and extended version of one of the most comprehensive and bestselling books on the latest HTML5 and CSS techniques for responsive web design. It emphasizes pragmatic application, teaching you the approaches needed to build most real-life websites, with downloadable examples in every chapter. Written in the author's friendly and easy-to-follow style, this edition covers all the newest developments and improvements in responsive web design, including approaches for better accessibility, variable fonts and font loading, and the latest color manipulation tools making their way to browsers. You can enjoy coverage of bleeding-edge features such as CSS layers, container queries, nesting, and subgrid. The book concludes by exploring some exclusive tips and approaches for front-end development from the author. By the end of the book, you will not only have a comprehensive understanding of responsive web design and what is possible with the latest HTML5 and CSS, but also the knowledge of how to best implement each technique. Read through as a complete guide or dip in as a reference for each topic-focused chapter.
Table of Contents (21 chapters)
Free Chapter
1
Section I: The Fundamentals of Responsive Web Design
7
Section II: Core Skills for Effective Front-End Web Development
16
Section III: Latest Platform Features and Parting Advice
19
Other Books You May Enjoy
20
Index

The loading attribute

If you find yourself adding a lot of images or iframe elements to your page, consider the loading attribute. Setting this attribute to lazy means the browser will only go and fetch the item if the user scrolls it into view. This is really useful for any media you know will certainly not be visible when the page first displays, meaning the cost of loading that item is saved until it is actually needed. It’s literally as simple as adding it like this:

<img src="home-image.png" alt="A rendering of the home page" loading="lazy" />

Or, if you were adding something like a YouTube video embed, you could make the same economy like this:

<iframe
    loading="lazy"
    width="560"
    height="315"
    src="https://www.youtube.com/embed/NkfMBI1tVwY"
    title="YouTube video player"
    frameborder="0"
    allow="accelerometer; autoplay; clipboard-write...