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Preact.js VS Postgres.js

Compare Preact.js VS Postgres.js and see what are their differences

Preact.js logo Preact.js

Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.

Postgres.js logo Postgres.js

Postgres.js - The Fastest full featured PostgreSQL client for Node.js - porsager/postgres
  • Preact.js Landing page
    Landing page //
    2023-05-11
  • Postgres.js Landing page
    Landing page //
    2023-08-29

Preact.js features and specs

  • Size
    Preact is very small in size (about 3KB gzipped), which makes it easy to load and faster to execute, resulting in improved performance and quicker load times.
  • Compatibility
    Preact is largely compatible with React, allowing developers to switch to Preact with minimal code changes. This makes it easier to adopt for projects already using React.
  • Performance
    Due to its small size and efficient design, Preact offers excellent performance, especially on low-powered devices and in applications with heavy user interactions.
  • Ecosystem
    Preact can work with many tools and libraries that are designed for React, giving developers access to a rich ecosystem of resources.
  • Community
    Preact has an active and growing community that provides support, plugins, and third-party tools, making it easier for developers to find solutions and share knowledge.

Possible disadvantages of Preact.js

  • Feature Set
    While Preact covers most of the core React features, it lacks some of the advanced functionality present in React, which may require additional workarounds or third-party libraries.
  • Learning Curve
    For developers coming from a non-React background, learning Preact might involve a learning curve, particularly because of its similarities and subtle differences with React.
  • Tooling Compatibility
    Although many tools designed for React can work with Preact, some might not be directly compatible, requiring additional configuration or patches.
  • Community Size
    While Preact has a supportive community, it is smaller compared to the massive React community, which can result in fewer available resources and third-party packages.
  • Maturity
    Preact, being newer and less widely adopted than React, might not have the same level of battle-tested reliability for all use cases, especially for large scale applications.

Postgres.js features and specs

  • Performance
    Postgres.js is designed to provide fast queries and optimized performance using native calls to PostgreSQL.
  • Lightweight
    The library is lightweight, with minimal dependencies, which can lead to easier maintenance and deployment.
  • Asynchronous
    It supports asynchronous operations using modern JavaScript Promise-based syntax, improving code readability and maintainability.
  • Support for PostgreSQL Features
    It includes support for a wide range of PostgreSQL features such as transactions, streaming, and logical replication.
  • Community Support
    Being an open-source project, it has community contributions and support, which can help in getting issues resolved and features updated.

Possible disadvantages of Postgres.js

  • Learning Curve
    Developers who are new to this library might face a learning curve as it might differ from other more commonly used PostgreSQL libraries.
  • Maturity
    Compared to older libraries like node-postgres (pg), it might lack the extensive documentation and long-term usage by large projects.
  • Niche Use Case
    May not be the best fit for applications that require a middleware ORM or the abstractions provided by traditional ORMs.
  • Smaller Ecosystem
    While it is growing, the ecosystem of third-party tools and plugins is not as large as those for some established libraries.

Analysis of Preact.js

Overall verdict

  • Preact.js is a strong option for projects where performance and load time are critical, or where a light footprint is necessary. Its compatibility with React makes it a flexible and efficient alternative in scenarios where React may be overkill due to its larger size.

Why this product is good

  • Preact.js is known for its small size and high performance, making it an excellent choice for developers who need a lightweight alternative to React without sacrificing functionality. It offers a familiar API for React developers, ensuring an easy transition, and is highly efficient in terms of rendering performance. Preact also offers excellent compatibility with existing React tools and ecosystems, meaning many React packages work seamlessly with Preact.

Recommended for

    Preact.js is recommended for developers building applications with stringent performance requirements, those needing to optimize for fast loading times in environments with limited bandwidth or resources, or those looking to integrate React-like architecture in smaller projects without introducing the full weight of the React library.

Preact.js videos

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Category Popularity

0-100% (relative to Preact.js and Postgres.js)
Javascript UI Libraries
100 100%
0% 0
Developer Tools
82 82%
18% 18
JavaScript Framework
95 95%
5% 5
Website Builder
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 Preact.js and Postgres.js

Preact.js Reviews

Top JavaScript Frameworks in 2025
PreactJS is a JavaScript library that is said to be the fast 3Kb alternative to ReactJS using the same modern API. It implements the fastest virtual DOM compared to other frameworks in the market. Moreover, it is one of the smallest libraries in terms of size.
Source: solguruz.com
20 Next.js Alternatives Worth Considering
Preact is like Reactโ€™s little sibling, smaller in size but with the same familiar moves. Itโ€™s cutting down the fluff and zipping through tasks with less overhead. When performance budgets are tight, Preact wiggles in perfectly.
20 Best JavaScript Frameworks For 2023
Preact is built with the same core principle of React โ€“ A component-based approach with Virtual DOM while completely compatible with React. It can even use React packages without compromising on speed, performance, and leaner size. In instances where the full potential of React isnโ€™t necessary, most developers even use React during development and switch to Preact for...
Top 15 jQuery Alternatives To Know
ReactJS is a powerful JavaScript library to create user interfaces. Developers can design easy views at each stage in the application and there is regular update and rendering for the actual components whenever there is any data alteration. It is component-driven and creates encapsulated components that manage their own state.
Top 5 JavaScript Frameworks To Learn in 2021
But according to the graph above, we can notice a decrease in interest in Preact. This might result from having many similar frameworks with the same specs, like react-lite, Inferno, etc. However, knowing a framework like Preact will be useful for your development journey.
Source: enlear.academy

Postgres.js Reviews

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Social recommendations and mentions

Based on our record, Preact.js should be more popular than Postgres.js. It has been mentiond 97 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.

Preact.js mentions (97)

  • How to Convert Supplier CSVs to Shopify/Amazon/WooCommerce Without Uploading to a Server
    eBay: 30+ fields (item specifics, variations, shipping) Each schema is a JSON file defining field names, data types, and validation rules. The mapper walks source โ†’ target assignments and applies type coercion (string โ†’ number, date formatting, etc.) before export. The entire app stays under 200 KB gzipped by avoiding heavy UI libraries. It's built with Preact + htm (no JSX build step) and styled with Tailwind CSS... - Source: dev.to / about 2 months ago
  • Can Claude Code migrate VanillaJS/HTML/CSS to Preact/Tailwind?
    First of all, I was concerned that React would add a lot of overhead for a Chrome Extension, which should be pretty light and quick. So I decided to use Preact, which, as its homepage states, is a "fast 3kB alternative to React with the same modern API.". - Source: dev.to / 3 months ago
  • Shopify App: October 2025 Updates
    And because of this change Shopify have also moved to Preact as the main framework for building UI extensions. Preact if you haven't heard of it is a smaller and faster alternative to React but is compatible with React. - Source: dev.to / 10 months ago
  • Spin up Bun + Preact full-stack app in minutes ๐Ÿš€
    Bun makes full-stack TypeScript feel almost too easy - a fast runtime, a dev server with HMR, and a bundler. In this post weโ€™ll spin up a minimal app that serves an HTML page, mounts a Preact component, and exposes a tiny API. - Source: dev.to / 10 months ago
  • Progressive frustration
    How do I retro-fit nextjs instructions on the Flagsmith website to fit Deno's fresh over preact? - Source: dev.to / over 1 year ago
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Postgres.js mentions (24)

  • Why Node.js needs a virtual file system
    Bun provides native MySQL, SQlite, and Postgres drivers. I'm not saying Node should support every db in existence but the ones I listed are critical infrastructure at this point. When using Postgres in Node you either rely on the old pg which pulls 13 dependencies[1] or postgres[2] which is much better and has zero deps but mostly depends on a single guy. [1] https://npmgraph.js.org/?q=pg [2]... - Source: Hacker News / 4 months ago
  • Show HN: Pg-typesafe โ€“ Strongly typed queries for PostgreSQL and TypeScript
    Is there a way to make this work with https://github.com/porsager/postgres ? It's very close to raw SQL but with safe substitutions. I use it with Zod, but it would be great to have the types derived automatically. - Source: Hacker News / 5 months ago
  • Pipelining in psql (PostgreSQL 18)
    I really want to use pipelining for our "em.flush" of sending all INSERTs & UPDATEs to the db as part of a transaction, b/c my initial prototyping showed a 3-6x increase: https://joist-orm.io/blog/initial-pipelining-benchmark/ If you're not in a transaction, afaiu pipelining is not as applicable/useful b/c any SQL statement failing in the pipeline fails all other queries after it, and imo it would suck for... - Source: Hacker News / 10 months ago
  • Node.js can now execute TypeScript files
    > What are you missing? Everything else needed to make a backend app. At the very least, Node should provide fundamental pieces like database drivers. Currently the best PG driver[1] depends on a single guy. Bun already provides its own PG driver [2] and Jarred has written they will keep investing into more built-in APIs. [1] https://github.com/porsager/postgres [2] https://bun.com/docs/api/sql. - Source: Hacker News / 11 months ago
  • Neon Is Generally Available: Serverless Postgres
    I want to use this as a chance to bring attention to a GitHub issue that I think would help reduce friction for Neon: https://github.com/neondatabase/neon/issues/4989. Having run a local dev environment connected to Neon and tests connected to Neon got in our way of adoption. We'd prefer to develop and run tests against a regular Postgres localhost database. To the PMs of Neon, put yourself in the shoes of a new... - Source: Hacker News / over 2 years ago
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What are some alternatives?

When comparing Preact.js and Postgres.js, you can also consider the following products

Svelte - Cybernetically enhanced web apps

JDBI - See this.

React - A JavaScript library for building user interfaces

Productivity Power Tools - Extension for Visual Studio - A set of extensions to Visual Studio 2012 Professional (and above) which improves developer productivity.

Vue.js - Reactive Components for Modern Web Interfaces

Astro Build - Astro is the web framework that you'll love to use.