How many companies use Preact?

TechLeads currently detects Preact on 776,893 websites. HTTP Archive's monthly crawl, a separate dataset, detected it on 1,954,350 pages in September 2026.

Who are Preact's biggest competitors?

By number of websites, the largest JavaScript libraries technologies besides Preact are jQuery (38,650,119), jQuery Migrate (15,265,182), core-js (9,046,687), Swiper (6,535,690), jQuery UI (6,342,235).

Which companies use Preact?

Websites using Preact include wordpress.org, flickr.com, techcrunch.com, arstechnica.com, opensource.org, css-tricks.com. The full list of 776,893 websites can be exported as a CSV for $29.

Preact market share and customers

As of October 8, 2026, Preact is used by 776,893 websites in the TechLeads index: 0.60% of all JavaScript libraries detections, the 28th most-used of 357 JavaScript libraries technologies.

776,893

websites using Preact

0.60%

share of JavaScript libraries

#28

of 357 in JavaScript libraries

Cite this data

Quoting these numbers? Credit TechLeads with a link to this page.

Citation

TechLeads. "Preact Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/preact/market-share

HTML link

<a href="https://techleads.fyi/technology/preact/market-share">Preact market share (TechLeads data)</a>

Preact vs competitors in JavaScript libraries

Websites using each technology in the TechLeads index, and its share of all JavaScript libraries detections.

#	Technology	Websites	Share
1	jQuery	38,650,119	29.7%
2	jQuery Migrate	15,265,182	11.7%
3	core-js	9,046,687	6.9%
4	Swiper	6,535,690	5.0%
5	jQuery UI	6,342,235	4.9%
6	OWL Carousel	3,899,597	3.0%
7	Lodash	3,142,449

Preact usage over time

In HTTP Archive's monthly crawl of public websites, Preact was detected on 1,954,350 pages in September 2026, down 2.1% from a year earlier (peak: 2,174,853). Among the 1,000 most-visited sites, it appeared on 76. HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.

Same month, other JavaScript Libraries technologies in HTTP Archive: jQuery 32,400,479, core-js 20,296,277, jQuery Migrate 14,931,388, jQuery UI 10,564,965, Swiper 7,844,933.

Preact customers by country

Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.

US3,252
GB1,962
DE1,561
AU363
IT352
RU336
FR327
BR251
AT198
CO185

Companies using Preact

wordpress.org · WordPress
flickr.com
techcrunch.com · TechCrunch
arstechnica.com · Ars Technica
opensource.org · Opensource
css-tricks.com
dev.to
kinsta.com · Kinsta
flic.kr
roxanegay.com
alibaba.com · Alibaba
bing.com · Search - Microsoft Bing

See all 776,893 websites using Preact or download the full list as a CSV for $29.

How these numbers are calculated

TechLeads scans public websites and detects Preact from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Preact's website count divided by the website counts of all JavaScript libraries technologies we track; a site using two JavaScript libraries tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.

FAQ

Preact accounts for 0.60% of JavaScript libraries detections in the TechLeads index (776,893 websites), which makes it the 28th most-used of 357 JavaScript libraries technologies we track.