Mayank Patel
Aug 16, 2022
5 min read
Last updated Apr 18, 2024
Are you the one who is always confused with the selection of framework? Today we are going to discuss the performance of Express Vs. NestJS so that one could have an idea of their concepts individually.
Web application development is the need of time and in order to meet the requirement of the project, developers must use an appropriate framework. Express JS and Node JS are two such solid web application development frameworks that are being used at a large scale.
The ultimate aim of any web application framework is to satisfy the client’s requirement by maintaining the quality of the project. The framework should be fast, responsive, reliable, and supportive.
Moreover, we are an experienced software development company in usa, and using our working experience we will explain NestJS vs. Express. Our blog revolves around the concrete comparison between NestJS and ExpressJS along with their features.
Before directly jumping to the comparison, we must understand the features of NestJS and ExpressJS. Being a reliable NodeJS company in India, we believe in strengthening the basic knowledge hence we always give priority to the fundamentals.
Basically, NestJS is used for the development of Node.JS applications and is also a server-side framework. Javascript has been used here along with TypeScript and we all know JavaScript is the subset of TypeScript.
Moreover, TypeScript supports static typing as a result of which scope for type errors and references are avoided.
Do you know what is the major feature of NestJS? It follows the concept of the Angular front-end framework. Because of this reason, the structure of the server-side framework is the same as its front-end counterpart.
Being an experienced NestJS company, we always emphasize more on the type of resource. The quality of the end product depends on your resources a lot hence always hire the best NestJS developers in India and make your project goal driven.
Other features of Nest.JS include its components, services, and modules. Apart from that, the server setting process is a little bit challenging and not everybody’s cup of tea. But it is not too complicated.
As we already stated earlier, we are a well-known NodeJS company and if you are looking to hire NodeJS developers in India, we are your reliable service partner.
We have executed so many projects based on the framework and hence we have the expertise to meet your expectations.
As our blog revolves around NestJS Vs ExpressJS performance, we must understand the features of ExpressJS as we did for NestJS. If we talk about the basic concept, Node JS is a quick JS runtime environment that facilitates server-side applications.
But here we have certain limitations like it cannot handle requests and HTTP methods and hence we need to implement the concept of ExpressJS. It is a Node JS-based framework that is used for the creation of APIs for web and cross-platform applications.
Further, Express JS is a kind of topmost layer of Node.js framework because it helps to manage routes and a server.
Now we will discuss the features that make the concept assertive, demanding, and result-oriented.
With Express JS, developers have the flexibility to create designs for various types of web pages including single-page, multi-page, and cross-platform web-based applications.
The concept is useful for the management and configuration of middleware in order to respond to requests sent by HTTP. Further, it also shares a routing table that contains different actions depending on the HTTP method and URL.
So, as a whole, Express JS is one of the important frameworks of Node JS that is dedicatedly used to build APIs. As far as our services are concerned.
We are also working in technology and you can hire Express JS developers in India, at your terms exclusively from Linearloop.
As we have individually understood the features of both the framework and both have their own advantages. Now, depending upon various parameters, we will compare the performance and behavior of NestJS & ExpressJS.
The architecture of Nest JS contains Controllers, Providers, and Modules based on which it offers ready-to-use applications. Also, because of this, developers and testers can develop, test, and maintain the entire system effortlessly.
If we talk about the architecture of Express JS, there is no defined structure through which flexibility can be facilitated. And because of this complexities and issues can come to the system when we deal with large-scale projects.
Unit Testing is another factor on which we are comparing both concepts. When it comes to Unit Testing, Nest JS is preferred. Why? Because Nest CLI has an in-built Jest-based default testing environment that creates a “spec file”.
This file has an auto-generated testing bed code because of which developers are not required to write the code for unit testing separately. Here, effort, time, and cost are saved and because of this reason, developers prefer it.
Now, if we integrate Unit Testing with Express JS, developers need to write distinct codes for the execution of Unit Testing. It may take more time and also reduce the speed of the application.
Nest JS is considered Opinionated because it has defined rules and concrete principles for development. Because of set rules, the framework reduces the scope of errors that may occur at the time of development.
Further, Nest JS follows the concept of Angular, which further makes the application more reliable and less erroneous.
On the contrary, Express JS is Unopinionated because it does not have defined methods or rules to follow. Thus, developers have the flexibility and freedom to work as per their choice and integrate codes depending on the possibilities and assumptions.
Conclusion
Being in the technology industry for more than a decade, we believe, that none of the technology is useless. There are always two sides to any technology. We have compared Nest JS and Express JS but it does not mean one is superior to the other.
Although, there are factors or environments where their performance varies. Also, using our experience we always recommend selecting the technology depending upon the requirement of the project.
Further, we believe a good developer always gives priority to the project’s requirements, client expectations, and deadline. So considering these factors, whichever technology you find better, go with that.
Linearloop is well versed with all the frameworks of Node JS whether it is Express JS or Nest JS. So, you can hire Node JS developers from our panel as well. Also, we are always available to assist you. So get in touch and smash all your doubts.
How Server side rendering (SSR) useful to improve lighthouse score?
Server-Side Rendering i.e. SSR is a process through which the server transfers data to the browsers in order to draw a layout. With the help of SSR, an application opens a web-page directly on the server rather than rendering it on browser of the system.
Without the implementation of SSR, an application will have a group of static files that slows down the loading speed of the application.
Here, we will explain the worth of rendering and how it plays an important role to improve the lighthouse score. Apart from that, SSR enhances the SEO score for a website, and hence it becomes more significant.
Basically, the search engines like Google, Yahoo, and Bing crawl a website in order to validate its authenticity. Also, while crawling they depend on the data that comes from the server. And also, they rely on the data that is appearing after the first 8 seconds.
The crawlers of the search engines run Javascript in order to get the data, and if it takes more time in fetching, the crawler ignores the data. Thus it compromises the performance of your web page or application.
Hence those who want excellent SEO performance should always render the website or application directly from the server.
Also, we all know, the present time is too competitive and people are expecting you to be smart enough. Hence, in order to win the race, you must go smart and make your online presence vibrant and solid.
Generally, server-side rendering generates a quick FP (First Paint) & FCP (First Contentful Paint). Because of the rendering on the server, there is no need to send lots of Javascript code to the client.
As a result, we get fast TTI (Time to Interactive). Moreover, the techniques become more useful where we have to incorporate a wide range of devices and network conditions.
So, we can say that, in response to the navigation, SSR generates the full HTML for a page. Also, the activity saves time by avoiding multiple round-trips in order to fetch data on the client-side.
If we talk about the internal process of SSR, here it goes. Based on the command of the user, the server generates a fully loaded page in which the application is rendered as raw CSS & HTML.
Afterward, the parsing of the application starts, and meanwhile rendering of DOM initializes. Once all these activities complete, users get a view in order to interact with the required interface.
Moreover, the most extraordinary concept of SSR is that it doesn’t allow the users to wait for the Javascript in order to load the entire content as the server executes it already.
Are you aware of the benefits of SSR? If not, we are here to explore the same. We have noticed people try to incorporate SSR but, they are not aware of its advantages. So here you go:
With the implementation of SSR, the productivity of the application or website increases. It loads the requested content on the server-side.
Also, it quickly opens the requested web page and thus offers a better user experience. As we all know, when a web page takes time to open, users become annoyed. And it is not the case here.
In spite of having low internet connectivity, SSR helps in loading the
requested page quickly. Moreover, despite having the older device, it offers proper assistance to load the requested page.
As we have mentioned earlier, SSR loads application or web pages even more quickly, and thus it helps in improvising the position of the page on various search engines.
It happens because search engines like Google give preference to the online product that opens quickly.
As we know, the era is technology-driven, and we all know that each device has its own configuration and worth. If we talk about client-side rendering, there is a lot of dependency on the capability of the device.
Also, we have experienced lots of cases where the devices were not capable to render the entire application in the given time. As a result, the quality of the application compromises.
Also, the bounce rate and loading time are directly proportional to each other that ultimately decreases the performance of the site.
However, SSR works differently because it allows the loading of data on the server-side that does not depend on the configuration of the hardware or devices.
Hence, server-side rendering is capable of delivering a consistent result that further brings more clients’ engagement on the page. As a result, the performance of the site increases.
Lighthouse: Before going into the deeper discussion, let’s understand what is Lighthouse? As per the definition of Google, the lighthouse is an open-source, automated tool that helps in improving the quality of your web pages.
Also, Lighthouse runs tests and share its audits that helps developer to make a website even more user-friendly.
Furthermore, Lighthouse plays an important role in examining the important elements of a website. If we focus on its result, and make required improvisation, the overall performance of a website improves.
With the help of Lighthouse, we can analyze our web pages on various parameters, and those are
The report of Lighthouse offers recommendations to optimize the web page on the required parameter.
For example: Suppose texts are not properly visible when Webfont loads. In such a case, Lighthouse will diagnose the problem and ask the user to take the required action to resolve the issue.
If you are browsing to know about the technologies that help you to set up SSR, this section is for you.
Here we are elaborating the two important leading technologies that will surely help in setting the SSR for your web pages and applications. Let have a quick look.
You must be aware that Next.Js is a framework that helps in creating SSR React applications. Moreover, the framework is also very useful to create a full backend of the applications because of being server-side.
Basically, the Next.Js is divided into 2 sections in which the former is “SSR” (Server-Side Rendering), and the latter is “The Backend Server”.
Being a server-side, the framework generates HTML and sends it to the client while, as a backend server it supports APIs.
Also, Next.Js has two modes to fetch data i.e. getServerSideProps and getInitialProp
The server-side rendering (pre-rendering)
There are two ways through which Next.Js renders the web pages. These are
As the name states, one can generate HTML only once on the server at run time. Also, the same HTML will be reused upon each coming request.
We recommend this approach where we need better performance and cache. Obviously, the method has some limitations because one can use it only at run time.
Under this process, the formation of HTML takes place on the server corresponding to each request of the client.
Here, the generated HTML will be dynamic in nature and relies on the data. Every time, it generates the new HTML by considering the data fetched.
Do you know, why should we prefer Nuxt.Js? If not, check out the reasons now. Nuxt.Js has certain capabilities that make it advantageous, and these are:
Using Vue with Nuxt.Js makes SSR implementation even more advantageous. Also, at the same time, we would suggest deciding the technology for SSR at the very beginning of the project otherwise things will become messy.
As we are dealing with technology so, we always are proactive and make plans prior to moving into the development
So, here we have mentioned the concept of SSR and how it helps in improving the Lighthouse score. We certainly hope that you have got an idea about the concept.
As the time is changing, we all should also use the best method in order to sustain our product in the market.
Linearloop is one of the progressive IT software development companies across the globe, and we always encourage people to follow the best practices of the technology. Feel free to write us if any query hits your mind.
Mayank Patel
Sep 15, 20237 min read
Node.js vs Python: Which Backend Technology to choose in 2021?
Developers cannot decide on any backend technology depending on their choice because it must be as per the demand of the project. While planning for web app development, it may be possible that you find Node.JS beneficial for the project.
On the other hand, there are many other web development services that demand Python. Hence depending on the project demand, developers choose the required backend and front technology.
The ultimate aim is to execute the project on time by meeting the complete requirement.
In this blog, we will compare Node.JS Vs. Python for backend technology on various parameters. As a result, you will get to know which one is better and when. See, nothing can always be good or bad.
The same applies to these technical aspects as well. So let’s analyze Node.JS Vs. Python and see which is better.
Architecture is one of the important parameters that is always considered while choosing any backend technology. Hence, Architecture is our first parameter based on which we will compare Node.JS vs. Python.
If we focus on Architecture, here Node.JS will be preferred over Python.
Now we will compare the technologies based on their libraries and dev tools.
Hence based on libraries and development tools, Node.JS becomes the choice.
Node.JS Vs Python performance has been analyzed here and a final conclusion is drawn for better performance. Hence if you are planning for web app development, keep this parameter in mind.
Based on the performance, Node.JS wins here. It is fine, Python is simple to understand but speed is the concern here. So if performance is the parameter, the web application development services should go with Node.JS.
Now the comparison of Python and Node.JS is done on the basis of their scalability. So let’s have a look.
When scalability comes, Node.JS should be given preference for web app development.
As we have stated earlier, the selection of any technology or programming language is completely dependent upon the requirement of the project and the expectation of the client.
Being leading software development company, Linearloop always recommends analyzing the requirement properly. Afterward, you should select the best-suited backend technology that can either be Python or Node.JS. Let us know if you are looking to know more.
Mayank Patel
Sep 15, 20233 min read
