react-lazyload

What is react-lazyload?

The react-lazyload package is a React component that provides lazy loading functionality for images and other components. It helps improve performance by deferring the loading of offscreen elements until they are about to enter the viewport.

What are react-lazyload's main functionalities?

Basic Lazy Loading

This feature allows you to lazy load an image. The image will only load when it is about to enter the viewport, improving performance by not loading offscreen images.

import React from 'react';
import LazyLoad from 'react-lazyload';

const App = () => (
  <div>
    <LazyLoad height={200} offset={100}>
      <img src="path/to/image.jpg" alt="Lazy Loaded Image" />
    </LazyLoad>
  </div>
);

export default App;

Placeholder

This feature allows you to display a placeholder image while the actual image is being lazy loaded. This can improve user experience by showing a temporary image until the main image is loaded.

import React from 'react';
import LazyLoad from 'react-lazyload';

const App = () => (
  <div>
    <LazyLoad height={200} placeholder={<img src="path/to/placeholder.jpg" alt="Placeholder" />}>
      <img src="path/to/image.jpg" alt="Lazy Loaded Image" />
    </LazyLoad>
  </div>
);

export default App;

Debounce and Throttle

This feature allows you to control the rate at which the lazy loading function is called. Debounce delays the function call until after a specified delay, while throttle ensures the function is called at most once in a specified time period.

import React from 'react';
import LazyLoad from 'react-lazyload';

const App = () => (
  <div>
    <LazyLoad height={200} debounce={300}>
      <img src="path/to/image.jpg" alt="Lazy Loaded Image" />
    </LazyLoad>
    <LazyLoad height={200} throttle={200}>
      <img src="path/to/image2.jpg" alt="Lazy Loaded Image" />
    </LazyLoad>
  </div>
);

export default App;

Other packages similar to react-lazyload

react-intersection-observer

react-intersection-observer is a React implementation of the Intersection Observer API. It provides a way to observe changes in the intersection of a target element with an ancestor element or with a top-level document's viewport. It is more flexible and can be used for a variety of use cases beyond lazy loading.

react-lazy-load

react-lazy-load is another React component for lazy loading content. It is simple to use and provides basic lazy loading functionality. It is less feature-rich compared to react-lazyload but can be a good choice for simpler use cases.

README

react-lazyload

Lazyload your Component, Image or anything matters the performance.