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Technology · Web Development

Preact

preactjs.com
Open source

Preact is a fast, 3KB alternative to React with the same modern API and ecosystem. It offers a Virtual DOM, components, and hooks, making it easy for React developers to adopt. Preact's small size and high performance make it an excellent choice for projects where bundle size is a concern, such as progressive web apps or low-bandwidth applications.

Preact belongs toJavaScript librariescategory.

98websites

use it — 3.8% of the 2,560 websites we scanned in the last 12 months

#11of 108

tools in its category seen in our scans (we recognize 250)

10public pages

on UptimeCard — open any of them to see how that site is doing

3.52% of all websites we track run Preact▼ 0.01 points since 20 Sep

At a glance

UptimeCard's own scans and tests of 2,560 websites · refreshed weekly

How Preact sites scoreout of 100 · hover or tap a score for details

50PerformanceLowaverage site: 5092AccessibilityGoodaverage site: 8978Best practicesFairaverage site: 9392SEOGoodaverage site: 92

Page load time

Loads about 23% faster than the average site

Preact sites
3.3 s
All sites
4.3 s

Most Preact sites load in 2.4–7.2 s. Home page weight: 3.4 MB vs 3.3 MB for all sites. 8 public sites measured.

Who uses it?

Technology and Software is the biggest group

Technology and Software20%
Business Services10%
Community Forums10%
Eco-friendly Products10%

Share of 10 classified public sites. “× average” compares with all 961 public sites.

How Preact sites are built

Closest partners. The number says how many times more often the tool runs on Preact sites than on an average website. Hover a partner for its share of sites.

Didomi25×HubSpot Cookie Policy Banner17×Google AdSense6×Prebid5×Amazon Advertising3×Emotion3×HubSpot Analytics2×Funding Choices2×

Stacks we see most. Tools that tend to run together with Preact on the same websites. The percentage is the share of all 98 Preact sites that run the whole stack.

9 stacks · swipe, drag or use the arrows
#1

Preact + Didomi + React + Next.js

7.1%7 of 98 sites
#2

Preact + HubSpot Cookie Policy Banner + HubSpot CMS Hub

9.2%9 of 98 sites
#3

Preact + Didomi + Funding Choices

8.2%8 of 98 sites
#4

Preact + Funding Choices + Google Sign-in

5.1%5 of 98 sites
#5

Preact + Didomi + YouTube

5.1%5 of 98 sites
#6

Preact + React + Funding Choices

4.1%4 of 98 sites
#7

Preact + Didomi + Google Sign-in

4.1%4 of 98 sites
#8

Preact + Bootstrap + jQuery CDN

4.1%4 of 98 sites
#9

Preact + Funding Choices + Facebook Login

4.1%4 of 98 sites

Usually installed alongside

The bigger the bubble, the more of the 98 Preact sites also run the tool. Colour shows what the tool does. Hover or tap a bubble for details.

Google Tag Manager76%Google Analytics53%Facebook Pixel26%HubSpot Analytics14%Didomi35%HubSpot Cookie Policy Banner13%Funding Choices12%Prebid26%Google AdSense22%Microsoft Advertising19%Cart Functionality26%HubSpot17%
Tag managerAnalyticsCookie consentAdvertisingOnline storeMarketing

Similar tools in its category

JavaScript libraries: 250 tools known, 108 seen in our scans

jQuery1,034 sitesAlternativeSwiper288 sitesAlternativejQuery Migrate248 sitesAlternativejQuery UI219 sitesAlternativeLodash184 sitesAlternativelit-html155 sitesAlternativelit-element128 sitesAlternativeSlick99 sitesAlternativecore-js779 sitesUsed togetherLazySizes115 sitesUsed togetherweb-vitals73 sitesUsed togetherGoober65 sitesUsed together

How websites combine Preact with other tools

Relationships found on the websites that use it, from the same map status pages show.

Complements another tool 8Integrates with another 3Overlaps with another 3Needs another tool 1

Questions about Preact

How many websites use Preact?
We found Preact on 98 of the 2,560 websites we scanned in the last 12 months (3.8%). 10 of them have a public status page.
What is Preact often used with?
Among the websites we scan, Preact is often found alongside Google Tag Manager (75.5% of its sites), Didomi (34.7% of its sites), React (32.7% of its sites).
What are the alternatives to Preact?
Other javascript libraries tools we recognize include jQuery, core-js, Swiper, jQuery Migrate.

Is your website built with Preact?

UptimeCard checks it around the clock, tells you the minute it stops answering, and gives your visitors a status page.

Monitor my site freeCreate a status page