Why is ReactJS so bad?

Why has ReactJS earned a reputation for being lackluster among web developers? Does it fail to live up to the hype, or are there legitimate drawbacks to using it as an option for developing websites? What solutions are available for optimizing ReactJS performance?

The inefficiency of ReactJS has been widely discussed in the web development community. Issues range from JavaScript startup performance and longer load times to bigger memory footprints and unoptimized CPU usage. Many experts have identified these issues as the underlying source of ReactJS’s bad reputation. For example, the Smashing Magazine in their article “Improving React Performance” suggests using memoization and smart rendering of components to optimize performance. Additionally, according to the State Of JS 2018 survey, only 6.2% of ReactJS users said they were “very satisfied” while 23.8% answered that they were “dissatisfied” with the library.

In this article you will learn about the main pitfalls that contribute to the poor reputation of ReactJS and how they may be addressed. We will also discuss best practices for minimizing the associated performance and usability issues. Possible solutions to these issues include improving component render performance, optimizing code structure, and leveraging JavaScript advanced features.

Finally, we’ll compare ReactJS with its competitors and discuss how opting for alternatives can help improve website performance, as well as providing valuable facts for decision-making in website development. Ultimately, this article hopes to provide insight into how to produce efficient, reliable websites using ReactJS.


ReactJS is a JavaScript library created by Facebook for developing user interfaces. It is a component-based library that helps developers build interactive UI components, which can be used both for web and mobile applications. ReactJS is considered to be one of the most popular JavaScript libraries, as it offers great performance, scalability and user experience. Despite these advantages, ReactJS has its drawbacks that make it unpopular among developers.
Performance: ReactJS is known to be one of the most performant JavaScript libraries, and it is used for creating large-scale applications. However, some developers argue that its component-based approach makes it slow and difficult to debug.
Development Complexity: ReactJS requires a certain level of knowledge of HTML, CSS and JavaScript to be used effectively. Thus, it is quite complex for those who are not familiar with programming concepts.
Rendering: ReactJS uses a virtual DOM, meaning that it renders all components in the memory first before sending them to the browser. This can be problematic in cases when there are a lot of components that need to be rendered.
Syntax: ReactJS uses a JSX syntax, which is quite difficult to grasp for beginners and can take some time getting used to.
Error Handling: Error handling in ReactJS is complex, as it is not built-in to the library. Thus, developers have to find their own ways to manage errors.
Despite the fact that ReactJS can be quite complex and time-consuming for developers, it still remains one of the most popular JavaScript libraries among them. ReactJS offers great performance, scalability and user experience, so it is still widely used for developing high-performance web and mobile applications.

ReactJS Development Software

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React Documentation

ReactJS Tutorial

Getting Started with React

ReactJS: Dispelling the Myth

ReactJS is a popular JavaScript library for developing user interfaces. It is often used to create single-page applications, interactive user interfaces, as well as large scale web applications. Despite its popularity, however, ReactJS has come under a fair amount of negative scrutiny. Let’s take a look at some of the misconceptions surrounding this technology and dispel the myth of ReactJS.

False Allegations of ReactJS

There have been numerous claims levied against ReactJS, with some of the most common being:

  • It is difficult to learn and use, making it impractical for most developers
  • The licenses for ReactJS are expensive, making it undesirable for broke developers
  • ReactJS is unreliable and often fails when deployed to production.

Most of these accusations, however, are unfounded. ReactJS is no more difficult to learn than any other programming language. In most cases, learning ReactJS from both tutorial and research efforts takes just a few days. Furthermore, most of the libraries associated with ReactJS are open source and free to use. The majority of the libraries are backed with continuous updates from the open source developers to ensure that the code remains secure and robust.

Benefits of ReactJS

Despite the unwarranted criticism, ReactJS still boasts a number of advantages over other programming languages. For one, ReactJS is extremely flexible, allowing developers to use it for a wide range of applications. Additionally, unlike some of its competitors, ReactJS was designed to be used across multiple platforms such as web, mobile, and desktop. This flexibility and scalability make it ideal for developers who are looking to develop features for multiple mediums.
Moreover, while ReactJS does require basic knowledge of HTML and JavaScript, ReactJS utilizes its own specific syntax code. As such, it requires minimal code to accomplish some of the more complex tasks, which helps developers quickly and easily write efficient code. Lastly, ReactJS is relatively fast, both in terms of loading as well as running applications.
The bottom line is that ReactJS is a useful, reliable, and efficient web development technology that is useful for a broad range of applications. This makes it a great choice for developers and companies looking to create dynamic, performant, and scalable web applications.

A Critical Look at Common Complaints about ReactJS

The Benefits of ReactJS

ReactJS has quickly become one of the most popular front-end frameworks, as developers have fallen in love with its clever approach to design. It encourages component-based development, concise and clean code, easy-to-read and simple-to-setup setup documentation, and some of the highest performing web applications and sites online. But what about the other side of ReactJS — what does it lack or leave out to cause such disdain among the development community?

Where React Falls Short

Oftentimes, developers are left frustrated by ReactJS’s limited learning curve and poor documentation when it comes to large-scale applications. While its abundant tutorials are readily available across the web, these tutorials are often too verbose and complex to understand, leaving developers feeling stuck trying to configure complex projects. Additionally, ReactJS’s component-based architecture can slow performance with large numbers of components leading to a decrease in user experience.
For those experienced with ReactJS, it becomes apparent that the best way to use the framework as intended is to plan your components in advance and be mindful of nesting. These practices include testing for all possible routes and avoiding nesting components. It can be tricky to design with React, as creating modular components can be tough and requires a lot of trial and error. Moreover, scalability can be a problem, as applications built with React can often expand far beyond the original plan with thousands of components leading to complexity in the codebase. To satisfy performance concerns, developers need to use proper code optimization techniques, such as writing more efficient code, as well as using tools like webpack or parcel to bundle the code.
Finally, when developing with ReactJS, developers need to ensure their code is quality and bug-free. Otherwise, using component-based architecture can introduce bugs in the application when a component is reused — the same criteria should be used for all components, whether it’s for the header or footer of a page. A lack of consistency in components can also lead to unexpected behavior when a component is reused or updated. To circumvent such problems, developers should aim to avoid contamination of components, meaning that each receive their own update and don’t interfere with each another. Additionally, developers should pay close attention to code design patterns like unidirectional data flow, server-side rendering, and statically-typed code to prevent any code-related issues.
Ultimately, ReactJS can provide developers with a powerful platform for developing applications — but only if used properly. With the right know-how, developers can create applications that maximize user experience and performance, while limiting the number of bugs and complexity of their code. Understanding React’s best practices and pitfalls is essential for effective use of the framework and successful development of applications.

Understanding the True Value of ReactJS

The world of web development is continuously changing, and developers must stay on top of new technologies to stay competitive and produce high-quality applications. ReactJS is one of the most popular tools used for web development today, but why should developers consider using ReactJS when there are many alternatives? Understanding the true value of ReactJS can help developers make the best decision for their project.

The Advantages of ReactJS

One of the major advantages of using ReactJS is the time it saves developers. ReactJS reduces the amount of time needed to create components and build user-interfaces, as it allows developers to build components that can be reused with modifications to suit different needs. Additionally, ReactJS supports the development of straightforward features and simplifies the process of going back to the basics. It doesn’t hide complex interactions unless the developer tries to, which makes for an easier debugging process.

Effortless Testing

Developers who spend much of their time on testing their code can benefit significantly by using ReactJS. ReactJS is built with the “testability” feature in mind, which makes it easier and faster to test applications. Furthermore, the data structure is built in such a way that errors are easy to detect and trace. Instead of spending time on manually building tests, you can rely on the automated ReactJS test utilities, which run and compares components in the virtual DOM using snapshots, which is an invaluable feature for developers who have numerous tests to run.
When developing large-scale applications, ReactJS stands out as it makes it easier to scale the app. Tools such as the +JSX compiler, React-router, and Flux all make ReactJS an environment in which you can rapidly prototype and deploy an application for multiple platforms with ease. In addition, due to React’s component-based structure and the universal application data flow, there is no need to write complex code when swapping different components into an existing concept. As a result, developers can create components that are optimized for dynamic changes, making it easier to upgrade applications faster and with less effort.
ReactJS is an essential tool for modern web development, as it provides developers with many advantages. It makes web development easy and allows developers to build scalable applications in a short space of time. ReactJS’s flexibility and testability features make it easier for developers to debug applications, create component-based structures, and switch between different components. Understanding the true value of ReactJS can help developers make the best decision for their project.


Are the criticisms of ReactJS justified? This is an age-old question many people in the tech community have been debating for years, and it’s one that still hasn’t been answered definitively. Some argue that React provides great development speed, scalability and easy-to-learn syntax. Others maintain that it is not efficient, unstable and that developers encounter a lot of bugs and not enough support.
It is clear that ReactJS is a powerful tool that has already revolutionized the way web applications are created and deployed. But with the rapidly evolving landscape of web development, it can be hard to separate opinion from fact and determine the truth behind the claims. For those interested in staying up-to-date on ReactJS technology, the best thing to do is to follow blog releases and remain patient for the discoveries that come with it.
It is true that React faces significant challenges. But with Google’s continued investment and cooperation from the community, React will no doubt become even better in the not-so-distant future. It has already come so far in offering developers the speed, scalability, and ease of use that many seek. Given the competitive landscape we live in, one has to wonder if React could indeed be the go-to choice for web development. If you’d like to join the debate or explore this further, be sure to subscribe to our blog for more releases.


1. What are the cons of ReactJS?
Answer: The main disadvantage of ReactJS is the difficulty of writing code without a specialized tool. It can also be difficult to debug one’s code and the steep learning curve in terms of coding conventions and architecture. Additionally, ReactJS does not offer a complete solution to build a scalable application, which requires the use of additional libraries.
2. What are the benefits of ReactJS?
Answer: ReactJS offers the flexibility to develop an application quickly and easily. It has a set of tools that help to manage user interfaces, allowing web developers to rapidly deploy and maintain complex front-end applications. Performance is also a big benefit of using ReactJS – the code within ReactJS runs much faster than the traditional JavaScript and DOM.
3. How long does it take to learn ReactJS?
Answer: ReactJS can be learned relatively quickly, depending on the level of previous JavaScript experience. For those without significant programming background, it may take 3-4 weeks to become familiar with the basics, while experienced developers usually get up and running much faster.
4. What can I do with ReactJS?
Answer: ReactJS is a JavaScript library mainly used to build user interfaces (UI). It is often used for building single-page applications or complex, interactive web and mobile applications. With ReactJS, you can create dynamic user interfaces, build mobile applications, and create real-time data applications.
5. What do I need to get started with ReactJS?
Answer: To get started with ReactJS, you need a text editor such as Sublime or Visual Studio Code and a development environment. You should also have some basic knowledge of HTML, CSS, JavaScript, and the web architecture. Additionally, a good understanding of React development patterns and conventions is important for effective development.