
Svelte
React
Vue.js
Inferno
Deku
Blocks.js
w2ui
Preact is a fast 3kB alternative to React with the same modern API. Components & Virtual DOM.

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Which is more popular?
Based on our record, Preact.js seems to be more popular. It has been mentioned 97 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | preactjs.com | opalstack.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
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.
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
JS frameworks are replaceable
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How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Preact.js and Opalstack. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


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...
Preact is like React’s little sibling, smaller in size but with the same familiar moves. It’s cutting down the fluff and zipping through tasks with less overhead. When performance budgets are tight, Preact wiggles in...
Preact is built with the same core principle of React – A component-based approach with Virtual DOM while completely compatible with React. It can even use React packages without compromising on speed, performance,...
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Recommendations tracked on public social media and blogs since March 2021.


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 → target assignments and applies type coercion (string → number, date... - Source: dev.to / 3 months ago
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... - Source: dev.to / 5 months ago
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 / 11 months ago
Tracking Opalstack since Sep 2023.
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Functional view library for building UI components as an alternative to React
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Deprecated repository. Contribute to Tixit/blocks.js development by creating an account on GitHub.
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