When building web applications, developers have two options for rendering the user interface: client-side and server-side rendering. Each approach has its own advantages and disadvantages, and choosing the right one depends on the specific needs of the application.

Client-side rendering is a technique where the web browser renders the UI using JavaScript after the initial HTML page has been loaded. This means that the user can interact with the UI without needing to reload the page, resulting in a faster and more seamless experience. Examples of popular client-side frameworks include React, Vue, and Angular.

Server-side rendering, on the other hand, is a technique where the web server renders the UI as part of the initial HTML page, which is then sent to the browser. This approach is useful when the UI needs to be indexed by search engines, or when the user has a slow or unreliable internet connection. Examples of popular server-side frameworks include Next.js and Nuxt.js.

Let's take a closer look at the advantages and disadvantages of each approach:

Client-side rendering: Advantages:

• Faster and more responsive user experience

• Easy to create dynamic and interactive UIs

• Great for single-page applications

Disadvantages:

• Can result in slower initial load times

• Not optimized for search engines

• May not work well with slow or unreliable internet connections

Example: When a user logs into their email account, they can view their inbox, compose emails, and manage their account settings without needing to refresh the page. This is made possible through client-side rendering, which allows the UI to update in real-time without needing to reload the page.

Server-side rendering: Advantages:

• Better for SEO and accessibility

• Faster initial load times

• Works well with slow or unreliable internet connections

Disadvantages:

• Limited interactivity and dynamic UIs

• Can be more complex to set up and maintain

• May not be suitable for complex web applications

Example: When a user searches for a product on an e-commerce website, the search results page is generated on the server and sent to the browser. This allows search engines to index the page and ensures that the user can view the results even with a slow or unreliable internet connection.

In conclusion, both client-side and server-side rendering have their own strengths and weaknesses, and choosing the right approach depends on the specific needs of the application. By understanding the pros and cons of each technique, developers can make informed decisions about how to build robust and efficient web applications.

Note : image source : https://dzone.com/articles/client-side-vs-server-side-rendering-what-to-choos