In this article we are going to show you Difference Between Class Component and Functional Component in React Class Components: Class components are JavaScript classes that extend the React.Component class or its subclass, and define a render() method to return the component’s JSX (JavaScript XML) markup. They have a state object and lifecycle methods, such […]

Serve images in next-gen formats, also known as modern image formats, are designed to provide better compression and quality than older image formats such as JPEG and PNG. The most popular next-gen image formats are WebP, AVIF, and JPEG-XL. You can follow these steps: Convert your images to next-gen formats: Use image processing software such […]

Unused CSS can negatively impact website performance by increasing page load times, so it’s important to reduce it as much as possible. Here are some ways to do that: Use a tool to identify unused CSS: There are several tools available, such as PurifyCSS and UnCSS, that can analyze your website and identify CSS that […]

Reducing unused JavaScript is an important optimization technique to improve the performance of a website or application. Here are some tips to reduce unused JavaScript: Use a build tool: Use a build tool like webpack or gulp to bundle and minify your JavaScript files. This will help to reduce the size of your code and […]

In this acrticle we will discuss Properly size images Properly sizing images refers to the very simple way of compress images to be sure that images are in the good size on a website page without lost image quality or page loading speed. When your website images are not properly sized, they can cause several […]

Eliminate render-blocking resources refers to the process of reducing or removing resources that delay the rendering of a webpage. These resources, which include CSS and JavaScript files, can prevent a page from loading quickly and smoothly, causing a slower user experience. To eliminate render-blocking resources, web developers typically employ techniques such as: Minimizing the number […]

In this article we will discuss What is the purpose of using the try-catch block in JavaScript? The ‘try-catch’ block is used in JavaScript for error handling. It allows you to write code that can gracefully handle errors, and it prevents your program from crashing when an error occurs. The ‘try-catch’ block works by enclosing […]

In this article you will know that What is a callback function in JavaScript? Using a callback function is with the ‘setTimeout()’ function. The ‘setTimeout()’ function takes two arguments: a function to execute, and a time delay in milliseconds. The function that is passed as the first argument is executed after the specified delay has […]

In this article we will see Difference between sync and async code execution In JavaScript, synchronous code is executed sequentially, one line of code at a time. Each line of code must be completed before moving on to the next line. Asynchronous code, on the other hand, allows multiple tasks to be executed simultaneously. Asynchronous […]

In this article we will see What is the use of the “this” keyword in JavaScript? In JavaScript, the ‘this’ keyword is a reference to the object that owns the code that is currently being executed. It allows you to refer to properties and methods of the current object within its scope. The value of […]