What is the use of lazy loading?

The main uses of lazy loading are to reduce the loading of invalid resources, save bandwidth and resources, speed up page loading, and improve user experience. Detailed introduction: 1. Reduce the loading of invalid resources: When the page has many pictures or videos, users may only view part of the content. Through lazy loading, loading only starts when the user scrolls to the location of these resources, thereby reducing ineffective resource loading and improving page performance; 2. Saving bandwidth and resources: Lazy loading allows the website to only load what the user really needs to view. content, which means bandwidth savings and less server stress, among other things.

Operating system for this tutorial: Windows 10 system, Dell G3 computer.

Lazy loading is a technology that delays loading of resources in web pages that do not need to be displayed immediately. It mainly has the following uses:

1. Reduce the loading of invalid resources: When the page has many pictures or When viewing a video, users may only view part of the content. Through lazy loading, these resources are loaded only when the user scrolls to their location, thereby reducing invalid resource loading and improving page performance.
2. Save bandwidth and resources: Lazy loading allows websites to only load content that users really need to see, which means saving bandwidth and reducing server pressure, which is especially useful for mobile devices and users with slow network connections. it works.
3. Speed ​​up page loading: By deferring the loading of resources until the user needs them, lazy loading avoids wasting bandwidth and resources while the page is loading, thereby speeding up page loading.
4. Improve user experience: Lazy loading can reduce the user’s waiting time, especially when loading a large amount of content. This improves the user experience and makes the website feel faster and smoother.

However, it is important to note that lazy loading may not work for all types of websites or applications. In some cases, it may be more appropriate to load all resources at once, such as in a website or application that needs to display the full page content. Therefore, when deciding whether to use lazy loading, you need to consider the specific needs and circumstances of the website.

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