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Lazy Loading

Load media on a web page only when the need be

Table of Contents
  • Difficulty: Beginner
  • Duration: 1 hr 32 mins
  • Units: 1
  • Chapters: 11
  • Quizzes: -
  • Exercises: -
  • Projects: -
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Category: Frameworks / Libraries
Tags:
FrontendJavaScript

Presumed knowledge

  1. HTML

  2. CSS

  3. JavaScript

Course overview

Lazy loading is a technique for loading images on the web only when they are needed to. It uses the idea of an image's appearance into the viewport which drives a procedure to load the image into view. Lazy loading is employed extensively around the web.

Most blogs, image galleries, and websites of other niches, use it to decrease loading times and save their user's device and network resources, such as battery and cellular data. Without lazy loading they will be left to simply eagerly load the images in the HTML which will in turn affect their sites' loading times, and ultimately their user base.

Not only does lazy loading improve the loading times of web pages but also makes sure that they look professional, elegant and leave an impression to the user that the developers of the site have put in at least some effort to design it. Lazy loading is so common out there that if you're about to start up a blog it will show in the suggestions for you to do. So why not start learning it today?

Learning outcomes

In this course you'll learn:

  1. How to incorporate HTML, CSS and JavaScript into building something useful for the web. You'll get to know how to build any application or utility for the web by first laying out its structure in the HTML and CSS, then thinking through how will elements interact with each other and then finally laying out the JavaScript code to blend all it together.
  2. What are responsive images in CSS and how in this modern era of designing developers are required to know these concepts to make their web applications be mobile-friendly.

Table of contents

Frequently asked questions

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Why this course?

  • Free of cost

    No need to buy any subscriptions, make any payments, or create any accounts. All the content is available for free.

  • Well-structured

    Content throughout the course is organized in a chronological fashion, ensuring a clear and intuitive learning experience.

  • Simple to understand

    Everything is explained in plain and concise words, right from the perspective of an absolute beginner.

  • Detailed explanations

    Certain concepts require a pretty deep insight. Fortunately, we provide all that insight in easy words.

*The durations mentioned on this page are merely an estimate; the actual time completing the underlying topic/course would obviously be much greater.

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