What Is Lazy Loading?
Lazy loading is a notion where the Loading object’s loading is delayed until the point where it is required. This allows the user to interact with the page as and when it’s needed. Instead of providing the user with the bulk content of a webpage in one go, lazy loading provides the user with images and information in sections.
Usually, when someone visits a website or opens a webpage, the entire content of that page starts to load, regardless of whether the user will view the full content. The preloading process may allow the user to browse through the webpage without any glitches, but there is no guarantee that they will go through it. However, many people are against the idea of lazy loading, but it is a good scheme to implement on a website.
For example, the user might be looking for the trademark for Guru Web Developers. So, here the entire webpage is loaded. However, if the user is satisfied with the first few images, they will leave the site without browsing through it, leaving the rest of the images loaded, unseen. They are thus resulting in the wastage of memory and the resources used in Loading that page. The solution to this problem is Lazy Loading.
Lazy Loading Execution:
Lazy loading is simple and uncomplicated. To implement lazy loading, something called the scroll listener is used. Here the developer writes a code that allows the computer to listen for page scrolls, which in turn alerts the computer to load new content. Earlier writing code for lazy loading used to have extra steps like handling resizing and orientation change, but now it’s no longer required. The built-in IntersectionObserver is inbred with these steps, so the developer doesn’t need to waste time in taking care of these minor details.
The visual element is an important part of a webpage. In fact, it is important everywhere. Paragraphs and paragraphs of text do not attract attention to the way graphic visuals do. Attractive images on a webpage can hold the user’s attention rather than plain text. But optical content is heavier than text. It requires more resources to load, hence reducing efficiency and increasing the load time on the page. That is why so many businesses and organizations have started using lazy loading on their websites.
Benefits Of Lazy Loading:
There are many benefits of implementing lazy loading on one�s website, instead of having the page load all the content in one go.
Fast content connectivity for the users. Only part of the website downloads when the user visits the site.
As the content is displayed as and when the user needs it, businesses have lower costs.
There is higher consumer retention as the images and text are fed to the user in steps as and when they scroll.
Time consumption is reduced by a long shot.
There is no unnecessary code implementation.
Saves a lot of data and bandwidth for mobile users.
Contrary to what is said, lazy loading is actually a good practice for Search Engine Optimization (SEO). Even though there are a few downfalls, lazy loading allows the content of a page to be efficient, simple, and cost-effective.
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