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Why does MERN stack use server-side rendering? This is an intriguing question that has been explored by web developers and technology enthusiasts alike. Beyond the technical aspects of the stack’s implementation, it’s important to understand the implications of why server-side rendering is preferred to the other methods of rendering webpages. What advantages does this method have compared to other approaches? What pitfalls must be avoided when updating a server-side rendered website? And, in what cases should server-wide rendering be employed instead of client-side?
The evolution of web development has seen a major shift towards the utilization of dynamic web applications, which are powered by relational databases and content management systems. This has resulted in the need for efficient and effective methods of delivering rich content to the user’s browser. Client-side rendering can quickly become inefficient and cumbersome, especially when dealing with increasing amounts of web traffic. To avoid this, many developers have opted for an approach that utilizes server-side rendering.
Server-side rendering uses code that runs on the server, instead of within the user’s browser. This approach eliminates the need to spend resources on client-side processing, and instead consolidates the functionality within the server-side application. By using a server-side templating language, developers can create webpages that are much easier to maintain and update. Additionally, server-side rendering can improve the speed of the page load by speeding up the process for loading the pages before the user can access them. This comes with the trade-off of increased resource utilization for the server, but the benefits of faster page load times make this a worthwhile compromise.
In this article you will learn the advantages and disadvantages of server-side rendering. Additionally, you will be presented with some of the best practices for implementing this approach in a web application. Other topics covered include an in-depth examination of the differences between server-side and client-side rendering, as well as how to utilize server-side rendering while still taking advantage of clientside features like JavaScript libraries. Finally, the article will focus on some of the best tools and technologies available for implementing a successful server-side rendering approach.


MERN Stack: MERN Stack is a combination of MongoDB, Express.js, React and Node.js technologies used to power web applications. It is an open-source web application stack designed to help developers quickly build modern web applications using JavaScript.
Server-side Rendering: Server-side rendering (SSR) is the process of generating HTML on the server rather than in the browser. It eliminates the need for users to download and execute arbitrary JavaScript code, resulting in faster page loads and improved SEO performance.
Why use Server-Side Rendering: Server-side rendering is advantageous for MERN Stack applications because it allows for faster page loads and enables the application to be served directly from the server, bypassing the need to invoke complex JavaScript. This improved performance and usability makes it desirable for businesses and developers alike. Furthermore, SSR helps to improve user experience, as the page renders much more quickly with a server-side pre-rendered version. Additionally, search engine crawlers can crawl a pre-rendered page, improving search engine optimization visibility significantly.

1. What is Server-Side Rendering and What Is Its Function?

What is Server-Side Rendering?

Server-side rendering, commonly known as SSR, is the process of rendering user-facing content on the server-side, as opposed to client-side or browser-side. SSR allows web applications to render pages on the server before sending them to the client. As opposed to client-side rendering, the server generates the HTML for the page which can then be sent to the client as a single response. This greatly reduces the amount of work the client’s browser has to do when it receives the page response.

What Does Server-Side Rendering Do?

Server-side rendering has numerous advantages over client-side rendering. By eliminating the need to use client-side code, the server can render the page faster and more accurately. Additionally, server-side rendering makes the initial page load faster as most of the work has already been done before the response is sent to the browser. This allows the user to interact with the page sooner.
Server-side rendering also improves SEO as search engines are better able to index pages built using SSR. As pages are constructed server-side, content, images and other elements can be read by search engine bots without the need for additional third-party services.
Finally, SSR adds an extra layer of security to web applications. By using the same code on the server and the client, the server can act as a filter for malicious or dangerous requests, thereby safeguarding the related application.

Advantages of Server-Side Rendering

  • Reduces work for the client’s browser
  • Improves initial page loading time
  • Improves SEO
  • Increased security

MERN stack uses server-side rendering as its primary approach to rendering web applications. SSR allows application developers to build web interfaces that are faster, better and more secure for the end user. By taking advantage of server-side rendering, MERN stack offers generic, pre-built solutions for many common web development tasks, giving developers a powerful tool for accelerating the development of web applications.

2. Benefits of Adding Server-Side Rendering in the MERN Stack

The MERN stack (MongoDB, Express.js, React.js, and Node.js) is a popular technology stack for web and application development. It offers an efficient and flexible way to develop both web applications and mobile applications. One of the most important elements of this stack is server-side rendering. This is a technique of generating dynamic HTML pages using the server itself instead of relying on the client-side.

What is Server-Side Rendering?

Server-side rendering is a technique of generating dynamic HTML pages using the server itself instead of relying on the client-side. This is a powerful approach that makes applications interactive and more efficient as the website is rendered on the server and rendered directly into the browser. This means that the user receives a ready-to-use page instead of waiting for the application to boot up and assemble it.

Benefits of Server-Side Rendering with MERN Stack

Server-side rendering provide several benefits when working with MERN stack applications. Firstly, server-side rendering is more secure as all of the JavaScript code is executed on the server, reducing the chances of malicious attacks. Additionally, server-side rendering is faster as the page is pre-rendered on the server and sent to the client, providing a faster response time.
Server-side rendering also eliminates the need for the user to load multiple JavaScript files, reducing the file size and providing a better user experience. Finally, server-side rendering also helps in improving SEO as the server sends structured data to search engine crawlers which helps in faster ranking.
Overall, server-side rendering provides massive benefits when used with the MERN stack for web and mobile applications. From improved security to a faster response time and improved SEO, the advantages are numerous.

3. Potential Drawbacks of Server-Side Rendering in the MERN Stack

Server-side rendering (SSR) is a web development technique used for rendering web pages on the server before sending them to the client. It is widely used in web development tools and frameworks such as the MERN stack. Although SSR has many advantages, it also comes with some limitations.

Performance Challenges

Among the shortcomings of server-side rendering is the performance hit that it can take. When webpages are rendered on the server, they take up more resources (such as memory and CPU time). This can lead to longer response times and reduce overall website performance. Furthermore, since SSR is a synchronous process, additional requests are made at the same time, further affecting response times.

Caching Problems

Caching is a key factor when it comes to performance since it allows for faster response times and quicker page loading. However, server-side caching can be difficult to implement as the content of each page is generated on the server. This makes it difficult to take advantage of the benefits of caching.
Finally, one potential issue with SSR is that it can be difficult for search engine bots to crawl and index pages. This is because the HTML on a page is only generated when the request is made, meaning that the content that the bots see is not always the same as the content seen by regular users. Therefore, it can make it difficult to get pages indexed and ranked in search engine results.
Overall, while server-side rendering has many of benefits, it can also bring some drawbacks and concerns. Developers must weigh the pros and cons carefully before making a decision to use SSR in their projects.


and answers in

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Thought-provoking question: Are there any benefits of using server-side rendering in the MERN stack?
The MERN stack is an increasingly popular tool for developing modern websites and web applications. More and more developers are opting to use the MERN stack for its comprehensive solution of development and server-side rendering capabilities. By using the MERN stack, developers have access to a powerful tool for website and application development, able to handle any requirements your project may have.
We at {INSERT BLOG NAME} whole-heartedly recommend that you explore the potential of the MERN stack. We regularly publish informative articles about the anatomy of the MERN stack and how best to use it for any development project. Be sure to keep an eye on our blog and follow us on social media for all the latest updates and releases.
Now that you know more about the potential of the MERN stack, let’s answer some common questions about using server-side rendering.
Why should we use server-side rendering instead of client-side rendering in the MERN stack?
The main advantage of using server-side rendering is to improve the user experience. Server-side rendering allows for the page to be rendered server-side, resulting in faster loading times. This can be a significant benefit for web applications that include complex, and often changing, user data.
How can server-side rendering speed up the development process?
Server-side rendering can significantly decrease the development time required to get an app or website up and running. As it pre-renders the pages at the server-side, developers are able to quickly and easily make changes to the pages as they are being developed. This saves time and resources, allowing the development process to be completed much faster.
What are some of the drawbacks of using server-side rendering in the MERN stack?
Server-side rendering can often take longer to render complex data. This can lead to slower page loading times, resulting in an overall slower website or application. Additionally, for more complex data, developers may need to make use of additional libraries and frameworks to ensure the data is correctly rendered.
Are there any security considerations to be aware of when using server-side rendering?
Yes, server-side rendering can open the door to potential security risks as sensitive data can be exposed to unauthorized individuals. It is therefore essential to take measures to ensure the data is properly secured before deploying the application. This can include making use of authentication techniques, such as session tokens, for example.
What are the advantages of client-side rendering when using the MERN stack?
Client-side rendering can allow users to view the page quickly as they don’t need to wait for a server to render the page. This can be especially beneficial for more static pages, such as blogs, where the content isn’t likely to change often. Additionally, client-side rendering can offer developers greater control over how the content is displayed to users.

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