Software Alternatives, Accelerators & Startups

ExpressJS VS SplitPea.co

Compare ExpressJS VS SplitPea.co and see what are their differences

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ExpressJS logo ExpressJS

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple

SplitPea.co logo SplitPea.co

SplitPea helps founders, agencies, and small teams run clean A/B tests and website experiments without a heavy analytics stack.
  • ExpressJS Landing page
    Landing page //
    2021-10-14
  • SplitPea.co SplitPea Dashboard
    SplitPea Dashboard //
    2026-05-04
  • SplitPea.co SplitPea Experiments
    SplitPea Experiments //
    2026-05-04

SplitPea is an A/B testing tool for the rest of us. Paste one snippet, set up an experiment with the visual editor, and get a plain answer: Ship A, Ship B, or wait. Every decision gets logged with a date, a person, and a note.

Works with Webflow, Framer, Shopify, WordPress, Next.js, Astro, or plain HTML. The snippet is under 18KB, loads async, and respects Do Not Track. Start free, no card required.

ExpressJS

Pricing URL
-
$ Details
Platforms
-
Release Date
-
Startup details
Country
United States

SplitPea.co

$ Details
freemium $29.0 / Monthly (Growth: 3 websites, 5 experiments, 5k visitors)
Platforms
Browser Firefox Google Chrome Edge Safari
Release Date
2026 April
Startup details
Country
Australia
State
VIC
City
Melbourne
Founder(s)
Joseph Saba
Employees
1 - 9

ExpressJS features and specs

  • Fast Setup
    ExpressJS provides a minimal and flexible framework that allows rapid setup and development of web and mobile applications.
  • Middleware Support
    ExpressJS has a robust middleware system, allowing developers to add reusable functions to the request-handling pipeline.
  • Extensibility
    ExpressJS is highly extensible through third-party libraries and built-in functionality, catering to the needs of various applications.
  • Performance
    Due to its minimalist core, ExpressJS provides efficient performance and is capable of handling a high number of requests per second.
  • Community and Ecosystem
    A large and active community provides extensive documentation, support, and a wide array of open-source packages to extend functionality.
  • Flexibility
    Compared to full-stack frameworks, ExpressJS gives developers the freedom to structure their applications as they see fit.
  • Compatibility
    ExpressJS works seamlessly with various template engines, databases, and other frameworks, making it versatile for different project requirements.

Possible disadvantages of ExpressJS

  • Minimalist Core
    The minimalist nature of ExpressJS may require additional time and effort to integrate required plugins and libraries for specific features.
  • Learning Curve
    While ExpressJS is straightforward, mastering the middleware pattern and effective usage can have a learning curve for new developers.
  • Callback Hell
    Developers can encounter 'callback hell' due to nested callback functions, though this can be mitigated using Promises and async/await in modern JavaScript.
  • Lack of Convention
    Unlike opinionated frameworks, ExpressJS lacks conventions, which can lead to inconsistent code structure and maintenance challenges across different projects.
  • Security
    ExpressJS does not have built-in security features and relies on third-party solutions, requiring developers to be vigilant about applying best security practices.
  • Scalability
    While ExpressJS can handle high traffic, building and maintaining a highly scalable application might require significant additional effort, particularly in terms of codebase organization and resource management.

SplitPea.co features and specs

  • A/B Testing
    Visual editor and split URL testing for any website
  • Tracking Snippet
    Lightweight client-side snippet, under 18KB
  • Dashboard
    Real-time experiment results with Bayesian statistics
  • Visual Editor
    Click-to-edit changes without writing code
  • Platform Support
    Works with static sites, WordPress, Squarespace, Shopify
  • Pricing
    Affordable plans for small businesses and freelancers

Analysis of ExpressJS

Overall verdict

  • ExpressJS is a highly recommended option for building web applications with Node.js. Its simplicity, extensive middleware options, and strong community support make it a solid choice for both beginners and experienced developers. However, it might not be the best fit for highly complex applications that require more opinionated frameworks with more built-in features.

Why this product is good

  • ExpressJS is a minimalist and flexible web application framework for Node.js. It provides a robust set of features for building web and mobile applications, making it a popular choice among developers.
  • It offers a thin layer of fundamental web application features, without obscuring Node.js features that developers use regularly.
  • ExpressJS has a large ecosystem of middleware to handle various tasks such as security, session management, and file uploads, which simplifies the development process.
  • It's known for its fast learning curve, which makes it particularly advantageous for developers who are new to backend web development but familiar with JavaScript.

Recommended for

  • Developers looking for a lightweight and flexible web framework for Node.js.
  • Projects where quick setup and ease of development are priorities.
  • Applications that require a custom architecture and a high degree of flexibility.
  • Teams who prefer to build their technology stack from the ground up and have control over the specific components used.

Category Popularity

0-100% (relative to ExpressJS and SplitPea.co)
JavaScript Framework
100 100%
0% 0
Testing
0 0%
100% 100
Developer Tools
100 100%
0% 0
Web Analytics
0 0%
100% 100

Questions & Answers

As answered by people managing ExpressJS and SplitPea.co.

Which are the primary technologies used for building your product?

SplitPea.co's answer:

โ€ข Python (FastAPI) โ€ข PostgreSQL โ€ข HTMX โ€ข Bayesian statistical engine for experiment analysis โ€ข Lightweight client-side JavaScript snippet (~18KB)

What makes your product unique?

SplitPea.co's answer:

Most A/B testing tools either start at $200/month or want you to talk to a sales team. They're built for companies with dedicated growth departments. SplitPea is built for everyone else. You get one snippet under 18KB, a visual editor, plain results, and a decision log. It works on static sites, Webflow, Shopify, WordPress - basically anything that takes a script tag.

Why should a person choose your product over its competitors?

SplitPea.co's answer:

Price and simplicity. The big platforms (VWO, Optimizely, AB Tasty) are powerful, but they're designed for teams with a testing budget and a stats background. SplitPea gives you the core workflow - set up a test, split traffic, get a clear answer - without the complexity or enterprise price tag. You get a straightforward recommendation (Ship A, Ship B, or wait), and every decision is logged with a date and note.

How would you describe the primary audience of your product?

SplitPea.co's answer:

Founders, freelancers, small agencies, and marketers who run their own websites and want to test changes without adopting a heavy analytics stack. People who are close to the work. They're making the calls on the homepage, the pricing page, the email..They don't have a growth team. They just want to know if a change helped move the dial.

What's the story behind your product?

SplitPea.co's answer:

When Google Optimize shut down in 2023, the cheapest A/B testing alternatives started around $200 a month. If you're a freelancer or a small team just trying to figure out whether a different headline would get more clicks, that's a hard number to justify. SplitPea started because that gap seemed wrong. Small websites deserve a way to test changes without an enterprise budget or a statistics degree.

Who are some of the biggest customers of your product?

SplitPea.co's answer:

SplitPea is in beta right now, so we don't have big-name logos to drop. We're built for small teams, freelancers, and founders, not enterprise accounts, and the people using SplitPea are running their own sites and testing changes themselves. That's the audience we care about.

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare ExpressJS and SplitPea.co

ExpressJS Reviews

Top JavaScript Frameworks in 2025
Express.JS is used to create Restful APIs, which is useful for accepting requests from the front end and sending the appropriate response. Express.JS supports Node.js, which is one of the best reasons developers choose to use it. Moreover, debugging becomes faster and helps in finding errors in less time.
Source: solguruz.com
The 20 Best Laravel Alternatives for Web Development
Express.js โ€” or Express for the cool cats โ€” is Node.jsโ€™s minimalist wingman. Itโ€™s the train tracks for your web app, setting the path, defining the stops, but letting you drive the engine.
Top 9 best Frameworks for web development
The best frameworks for web development include React, Angular, Vue.js, Django, Spring, Laravel, Ruby on Rails, Flask and Express.js. Each of these frameworks has its own advantages and distinctive features, so it is important to choose the framework that best suits the needs of your project.
Source: www.kiwop.com
9 Best JavaScript Frameworks to Use in 2023
Additionally, Express.js v4 now comes with built-in middleware for handling AJAX requests from the client side, making it even easier to get started without having to worry about 3rd party libraries. Express.js is a great tool for quickly building out web applications and APIs in Node.js.
Source: ninetailed.io
JavaScript: What Are The Most Used Frameworks For This Language?
Express.JS is a popular open-source web application framework for Node.JS, which is a server-side JavaScript runtime environment. Express.JS provides a simple, flexible and scalable way to build web applications and APIs using Node.JS. It is known for its minimalist and unimposing approach, which means it provides a basic set of features and tools but allows developers to...
Source: www.bocasay.com

SplitPea.co Reviews

We have no reviews of SplitPea.co yet.
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Social recommendations and mentions

Based on our record, ExpressJS seems to be more popular. It has been mentiond 493 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

ExpressJS mentions (493)

  • Building LoreKeeper: An Immersive 3D Library to Bridge EPUBs and AI
    Backend: Node.js & Express for file handling and metadata extraction. - Source: dev.to / about 2 months ago
  • How to Write Authorization Middleware for Express.js Applications
    Casbin provides an external policy engine if your permission model grows complex enough that a centralized JS function becomes hard to maintain. Open Policy Agent serves the same purpose for multi-service architectures. Node.js and Express.js documentation cover the middleware pattern in detail. - Source: dev.to / 2 months ago
  • GraphQL vs REST: 18 Claims Fact-Checked with Primary Sources (2026)
    Many REST frameworks also ship with limited security controls enabled by default. Express.js , a minimal web framework, does not include rate limiting or input validation out of the box and relies on middleware for these concerns. Django REST Framework includes throttling features, but they are not enabled by default. - Source: dev.to / 3 months ago
  • 5 Architecture Patterns Every Web Application Developer Should Understand
    Nearly every server-side web framework uses some version of MVC. Django calls it MTV (Model-Template-View), Rails follows classic MVC, and Express.js gives you the building blocks to implement your own version. - Source: dev.to / 3 months ago
  • Adding Authentication and Remote Support to a Local MCP Server
    For this guide, you will use the authentication proxy approach with Express. This gives you full control over authentication logic and RBAC. It also integrates well with the Descope MCP Express SDK, which is designed to allow you to easily add MCP specification-compliant authorization to your MCP server. The authentication proxy sits between clients and the MCP server, and validates every request before forwarding... - Source: dev.to / 3 months ago
View more

SplitPea.co mentions (0)

We have not tracked any mentions of SplitPea.co yet. Tracking of SplitPea.co recommendations started around May 2026.

What are some alternatives?

When comparing ExpressJS and SplitPea.co, you can also consider the following products

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Optimizely - A/B testing you'll actually use.

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Split.io - In a world where product development teams are pressured to do more with less, Splitโ€™s Feature Data Platformโ„ข gives you the confidence to move fast without breaking things.