How many companies use FitText.js?

TechLeads currently detects FitText.js on 51,204 websites.

Who are FitText.js's biggest competitors?

By number of websites, the largest JavaScript libraries technologies besides FitText.js 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 FitText.js?

Websites using FitText.js include umich.edu, simplemind.eu, 1984.hosting, msj.edu, 32710633.xyz, acceslocation.com. The full list of 51,204 websites can be exported as a CSV for $29.

FitText.js market share and customers

As of October 8, 2026, FitText.js is used by 51,204 websites in the TechLeads index: 0.04% of all JavaScript libraries detections, the 94th most-used of 357 JavaScript libraries technologies.

51,204

websites using FitText.js

0.04%

share of JavaScript libraries

#94

of 357 in JavaScript libraries

Cite this data

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

Citation

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

HTML link

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

FitText.js 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

Companies using FitText.js

umich.edu
simplemind.eu · SimpleMind
1984.hosting
msj.edu
32710633.xyz · VESSEL
acceslocation.com · LOU-TEC
kei21.com · アトリエ圭音～Atelier Kei～
alvarogonzalezalvarez.com · Álvaro González Álvarez
kokoru77.com · KOKORU
bsyhrsolutions.com · admin
boris-hahn.com · Art, commercial – Studio für Werbung, Grafik & Video in Osnabrück
breehvac.com · Bree HVAC Contractor

See all 51,204 websites using FitText.js or download the full list as a CSV for $29.

How these numbers are calculated

TechLeads scans public websites and detects FitText.js from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is FitText.js'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

FitText.js accounts for 0.04% of JavaScript libraries detections in the TechLeads index (51,204 websites), which makes it the 94th most-used of 357 JavaScript libraries technologies we track.