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BuiltWith VS React Engine

Compare BuiltWith VS React Engine and see what are their differences

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BuiltWith logo BuiltWith

Find out the technology behind websites

React Engine logo React Engine

A react render engine for Universal (previously Isomorphic) JavaScript apps written with express, by PayPal
  • BuiltWith Landing page
    Landing page //
    2023-04-16
  • React Engine Landing page
    Landing page //
    2023-10-02

BuiltWith features and specs

  • Comprehensive Technology Profiling
    BuiltWith provides detailed information about the technologies that websites are using, including analytics tools, content management systems, e-commerce platforms, and more. This can be incredibly useful for market research and competitive analysis.
  • Market Reports
    The platform offers in-depth market reports that can help businesses understand technology trends across different industries. This data can be crucial for strategic planning and technology adoption decisions.
  • Lead Generation
    BuiltWith can be used to generate leads by identifying websites that use specific technologies. This helps sales teams target potential clients who are already using a competitor's tool or a complementary technology.
  • Customizable Alerts
    Users can set up alerts to get notified whenever a website starts or stops using specific technologies. This feature helps businesses stay updated with market shifts and competitor movements in real-time.
  • Ease of Use
    The interface is relatively user-friendly, making it easy for users to search for websites and technologies without requiring any advanced technical skills.

Possible disadvantages of BuiltWith

  • Pricing
    BuiltWith can be quite expensive, particularly for small businesses and startups. The high cost may make it inaccessible for companies with limited budgets.
  • Data Accuracy
    While generally reliable, the data provided by BuiltWith may not always be 100% accurate or up-to-date. This can sometimes lead to incorrect assumptions or decisions based on outdated information.
  • Limited Free Features
    The free version of BuiltWith offers limited features and capabilities, which may not be sufficient for in-depth research or analysis. Users often need to upgrade to a premium plan to access the full range of functionalities.
  • Complex Data
    The detailed data and extensive lists of technologies can sometimes be overwhelming to sift through without specialized knowledge or a clear strategy, making it less useful for casual users.
  • Dependency on External Data
    BuiltWith relies on external data sources, which means that any limitations or issues with these sources can affect the quality and comprehensiveness of the information provided.

React Engine features and specs

  • Isomorphic rendering
    React Engine enables both server-side and client-side rendering of React components, providing a seamless isomorphic/universal JavaScript experience. This allows for faster initial page loads and better SEO while maintaining rich client-side interactivity.
  • Express.js integration
    React Engine is designed as a view engine for Express.js, making it easy to integrate React into existing Express-based applications with minimal configuration. It follows familiar Express conventions for setting up view engines.
  • Built-in React Router support
    The library comes with built-in support for React Router, enabling developers to easily set up server-side and client-side routing without complex manual configuration.
  • PayPal backing
    React Engine was developed and maintained by PayPal, which provided credibility and ensured it was battle-tested in a large-scale production environment before being open-sourced.
  • Simplified setup
    The library abstracts away much of the complexity involved in setting up server-side rendering with React, reducing boilerplate code and allowing developers to get a universal React application running quickly.

Possible disadvantages of React Engine

  • Abandoned project
    The repository appears to be no longer actively maintained, with no recent commits or updates. This makes it risky to use in production as bugs and security vulnerabilities may go unpatched.
  • Outdated dependencies
    React Engine was built for older versions of React and React Router. It may not be compatible with modern versions of React (16+, 17, 18) or React Router (v5, v6), limiting its usefulness in current projects.
  • Limited ecosystem support
    The library is tightly coupled to Express.js, meaning it cannot be easily used with other Node.js frameworks like Koa, Hapi, or Fastify, reducing its flexibility.
  • Better modern alternatives
    Modern tools like Next.js, Remix, and Vite with SSR plugins provide far more comprehensive and well-maintained solutions for server-side rendering with React, making React Engine largely obsolete.
  • Limited documentation and community
    The project has relatively sparse documentation and a small community, making it difficult for new developers to troubleshoot issues or find examples and best practices for advanced use cases.

Analysis of BuiltWith

Overall verdict

  • Yes, BuiltWith is considered a good resource for analyzing the technology behind websites due to its comprehensive data and ease of use. It is widely used by professionals to gain a competitive edge and to streamline technology-related decisions.

Why this product is good

  • BuiltWith is a valuable tool for web developers, marketers, and businesses as it provides insights into the technology stack of any website. It helps in understanding market trends, gaining competitive intelligence, and making informed decisions for technology adoption.

Recommended for

  • Web developers looking to understand how different sites are built and which technologies are used.
  • Digital marketers aiming to gather competitive insights and trend analysis.
  • Businesses wanting to assess potential technology partners and competitors.
  • Investors conducting due diligence on companies by understanding their technological dependencies.

Analysis of React Engine

Overall verdict

  • Unable to verify a project specifically named 'React Engine' on GitHub with confidence, as this does not correspond to a widely recognized or well-documented open-source project that I have reliable information about. There may be multiple small or niche repositories using this name, and quality would vary significantly between them.

Why this product is good

  • React Engine is not a commonly recognized name in the mainstream React ecosystem
  • No verifiable consensus data on stars, maintenance status, documentation quality, or community adoption is available
  • Could refer to a personal project, a boilerplate, a rendering engine, or a niche tool - without more context, its quality cannot be assessed
  • Names like this are sometimes used for student projects, abandoned repos, or experimental tools that lack production readiness

Recommended for

  • Not recommended without further verification
  • Developers should search GitHub directly, check star count, last commit date, open issues, and documentation before adopting
  • Best suited for evaluation on a case-by-case basis rather than a blanket recommendation
  • If you have a specific repository URL, sharing it would allow for a more accurate assessment

BuiltWith videos

How to Find Competitors Customers | BuiltWith Review | Kas Andz

More videos:

  • Review - Google Page Speed Tool, Comic-Con Website Review, and BuiltWith Anniversary by Matt@mywebbro.com

React Engine videos

No React Engine videos yet. You could help us improve this page by suggesting one.

Add video

Category Popularity

0-100% (relative to BuiltWith and React Engine)
Market Research
100 100%
0% 0
Office & Productivity
0 0%
100% 100
Sales Automation
100 100%
0% 0
eCommerce Tools
0 0%
100% 100

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare BuiltWith and React Engine

BuiltWith Reviews

  1. Eleanor Bennett
    ยท Digital Marketing Specialist at Logit.io ยท
    Great for finding potential contacts

    A great tool to help you discover the technology being used by a variety of websites. I was impressed that upon signing up that I had full access to a free list of leads.


15 Best BuiltWith Alternatives 2022
Sometimes, BuiltWith may not fit your specific business needs. If so, weโ€™ve compiled our list of best BuiltWith alternatives you may want to consider for your profiling.
8 Best SimilarWeb Alternatives (2019 UPDATE): Add These to Your Digital Tool Kit
BuiltWith is a truly comprehensive tool that will mine a ton of information from anyoneโ€™s site and serve it to you in a manner you will be able to crunch and use it. You might take your time since it is a lot of information to inform your decisions, which is a good thing.
Best Similarweb Alternatives in 2019 to Spy on your Competitors
See business insights of your own business as well as get to know what keywords your competitors are using. Analyze your rivalsโ€™ budget and strategies. The top-notch companies tied with BuiltWith are Google, Adobe, Facebook, Amazon,eBay, and Paypal.
Source: affnext.com
The Best Email Marketing, Sales Prospecting, and Email Automation Software
Builtwith is a tool that helps in identifying sites that use specific web technologies. It identifies the technology spend, gathers the location information and vertical, among other option to create lead lists that are solid for websites by taking into account the internet footprint and technology usage.
73 Best SEO tools 2021 โ€“ The Most Epic List You Shouldnโ€™t Miss
BuiltWith offers a database of 7,000+ web technologies and more than 250 million websites to build lists for lead generation.

React Engine Reviews

We have no reviews of React Engine yet.
Be the first one to post

Social recommendations and mentions

Based on our record, BuiltWith seems to be a lot more popular than React Engine. While we know about 162 links to BuiltWith, we've tracked only 1 mention of React Engine. 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.

BuiltWith mentions (162)

  • What Qualities Does It Take to Be the Best Software Developer
    Evan You, creator of Vue.js, is a prime example. Vivek Nair, Co-Founder of BotGauge, notes that You โ€œcreated something that addresses real developer needs with clean logic and thoughtful design.โ€ Vue.js powers over 1.5 million websites in 2025, a testament to its scalability and developer trust, as reported by BuiltWith. Youโ€™s ability to build a framework independently, without corporate backing, underscores his... - Source: dev.to / over 1 year ago
  • Web apps built with Ruby on Rails
    There exist websites like https://builtwith.com so answer to your question is yes. - Source: Hacker News / over 1 year ago
  • Ask HN: Tech Stack Behind the Claude App?
    BuiltWith says the web client is NextJS which is interesting as ChatGPT made a big switch away to Remix IIRC. https://builtwith.com/?https%3a%2f%2fclaude.ai%2fnew. - Source: Hacker News / almost 2 years ago
  • Disney's Robots Use Rockets to Stick the Landing
    Also, wow that is an obsene amount of libraries they use: https://builtwith.com/?https%3a%2f%2fspectrum.ieee.org%2fdisney-robot-2668135204. - Source: Hacker News / over 2 years ago
  • What website frameworks are used to build these websites?
    I would say run both sites through https://builtwith.com/ to get what all they used in the building process. Source: over 2 years ago
View more

React Engine mentions (1)

  • react-engine vs other template engines
    I was wondering to use paypal's React Engine (https://github.com/paypal/react-engine), but I have some doubts:. Source: over 4 years ago

What are some alternatives?

When comparing BuiltWith and React Engine, you can also consider the following products

Wappalyzer - Wappalyzer is a technology profilers and leads data provider. Create lists of websites and contacts that use certain technologies.

WhatRuns - Extension that helps you identify technologies used on any website at the click of a button.

Elucify - A completely free software tool that uses crowdsourced data to find business email addresses

What CMS - WhatCMS.org looks at a variety of factors within a webpage to determine what CMS a website is using.

Similar Tech - SimilarTech offers a Sales Insights platform which helps companies uncover their ideal market by crawling the sourcecode of over 300M sites.

KiteDesk - Use KiteDesk sales prospecting software to generate leads from our premium data marketplace. Then reach prospects and build a sales pipeline with organized Lead Lists. Syncs direct with CRM too!