After six years of working with Express.js, what stands out most is how minimal and unopinionated it is, giving full control over structuring routes, middleware, and application architecture without being forced into a rigid pattern. It integrates cleanly with virtually anything in the Node.js ecosystem, from database drivers like MongoDB and MySQL clients to authentication libraries and third-party APIs, which makes it flexible across very different types of projects. Performance is solid for typical REST API workloads, especially with proper middleware ordering and async handling. Being free and open-source, the ROI is excellent since there's no licensing cost regardless of project scale, and the massive community means documentation gaps are almost always filled by tutorials, Stack Overflow, or open-source examples, so onboarding new developers rarely takes long once they understand the middleware pattern. Review collected by and hosted on G2.com.

Because it's so minimal, a lot of decisions around project structure, error handling conventions, and validation are left entirely up to the developer, which means consistency across a team depends heavily on established internal conventions rather than anything enforced by the framework itself. Debugging middleware chains can get confusing in larger applications if ordering isn't carefully managed, and error handling for async routes still requires deliberate wrapping to avoid unhandled promise rejections. There's no built-in intelligence or AI-assisted tooling, so structuring things well relies entirely on developer experience and discipline rather than framework guidance. Review collected by and hosted on G2.com.

What I love most about Express is that it has been thoroughly tested in real-world scenarios, and there is a wealth of documentation available for learning how to use it. Review collected by and hosted on G2.com.

As with many aspects of JavaScript, using Express requires assembling various components yourself, and achieving a solid structure is entirely up to the developer. Review collected by and hosted on G2.com.

Express has a lot of flexibility and an effortless learning curve. Once you understand the basics, you can quickly implement and maintain any folder structure. The best part is the availability of middleware for express and those that come inbuilt, for instance, the express.json middleware, which has replaced the body parser. Review collected by and hosted on G2.com.

The very thing that is its benefit is also what becomes something I have a problem with. There are so many ways to implement the same thing; it becomes a little confusing as to what standards and conventions to follow. Also, the additions of libraries get challenging to manage once the API scales. Review collected by and hosted on G2.com.

Learning curve!!! I've been using Express for almost a decade now, it's super simple to use, middleware takes care of all the cross-cutting concerns and makes my code more readable and scalable. I can build my ideas in a jiffy. Review collected by and hosted on G2.com.

Baked-in or default logging could have been better Review collected by and hosted on G2.com.

Express.js is one of the best web app frameworks which helps in creating web applications with literally less headache by providing simpler tools and functionalities. As a developer, handling middleware is a kind of important task. However, Express allows us to set up the middleware in a very convenient way which makes it easy to add features like authentication, logging, or error handling in a clean, modular way. Additionally, for JavaScript devs, Express.js makes it easy to implement its features. Being Express.js a lightweight framework, we can structure the project the way we want which gives us full control over the project including routing separations, middleware, etc. Review collected by and hosted on G2.com.

The only disadvantage of Express.js is that it does not provide strong typing or compile-time checks, which is really the worst for large apps as identifying the bugs due to compilation errors after running an application adds a time constraint. Overall, Express.js is fantastic. Review collected by and hosted on G2.com.

It allows to develop modern apps irrespective of backend architecture design for developer. It has vast ecosystem to easily integrate and implement node modules for developing secured and highly scalable apps. Review collected by and hosted on G2.com.

It doesn't perform well for high cpu intesive tasks. Due to reliability on open source node modules there is risk of security vulnerabilities. Review collected by and hosted on G2.com.

It has provided opinion free backend REST api development with ease of use and implementation for large scale, high performance application. It consumes less memory and cpu of server resulting in cost effective solution. Review collected by and hosted on G2.com.

It misses in utilizing all the CPU cores as it is single threaded. It depends on 3rd party node modules for basic authentication features. Review collected by and hosted on G2.com.

- Lightweight

- no batteries, but easily customizable with plugins

- easy to use and setup

- scaffolding projects available to setup a new project easily

- vast and strong community support

- easy to grok and understand if coming from Python or Ruby etc.

It's a framework I code in daily, have been for the last 5 years.

Can be integrated very easily with a lot of other npm libs and external APIs etc. I mean it's basically code interacting with other code via APIs so that's not a big deal. Review collected by and hosted on G2.com.

Being lightweight also means that you have to do a lot of things manually yourself. You have to setup those things as they're not automatically taken care of by some simple to use setting that you can just turn on or off, like in Django or Ruby on Rails for example.

But that can be fixed by template projects - of which there are many on Github available for free. They have almost everything you might need already baked in and you can control which features you want extra. Review collected by and hosted on G2.com.

Express.js is a tool that helps create web applications. It lets you connect web addresses (URLs) to specific actions, like showing a message when someone goes to a certain page. It also lets you use functions before or after handling requests, which can be handy for doing special things. When building web pages that change based on data, Express.js supports different tools for making those pages. Some cool things about Express.js are that its instructions are easy to understand, people in its community are helpful, and it's always getting better with updates. Review collected by and hosted on G2.com.

Express.js keeps it simple, but that means fewer built-in features compared to some frameworks. It's great for beginners, but experienced devs might feel limited. Review collected by and hosted on G2.com.

When I use the express js framework to code easy to approach node js Review collected by and hosted on G2.com.

While Node.js itself is designed for asynchronous programming, handling asynchronous operations in Express.js can sometimes lead to callback hell or complex promise chaining. Developers need to be comfortable with asynchronous programming paradigms to effectively work with Express.js. Review collected by and hosted on G2.com.