How many companies use Ace?

TechLeads currently detects Ace on 15,070 websites. HTTP Archive's monthly crawl, a separate dataset, detected it on 22,435 pages in September 2026.

Who are Ace's biggest competitors?

By number of websites, the largest Rich text editors technologies besides Ace are TinyMCE (141,177), Froala Editor (93,353), Quill (67,890), CKEditor (65,731), Monaco Editor (11,245).

Which companies use Ace?

Websites using Ace include algotester.com, babeljs.io, codebeautify.org, xm1math.net, codehs.com, webdesignerwall.com. The full list of 15,070 websites can be exported as a CSV for $29.

Ace market share and customers

As of October 9, 2026, Ace is used by 15,070 websites in the TechLeads index: 3.7% of all Rich text editors detections, the 5th most-used of 15 Rich text editors technologies.

15,070

websites using Ace

3.7%

share of Rich text editors

of 15 in Rich text editors

Cite this data

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

Citation

TechLeads. "Ace Customers and Market Share." Data as of October 9, 2026. https://techleads.fyi/technology/ace/market-share

HTML link

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

Ace vs competitors in Rich text editors

Websites using each technology in the TechLeads index, and its share of all Rich text editors detections.

#	Technology	Websites	Share
1	TinyMCE	141,177	34.8%
2	Froala Editor	93,353	23.0%
3	Quill	67,890	16.7%
4	CKEditor	65,731	16.2%
5	Ace	15,070	3.7%
6	Monaco Editor	11,245	2.8%
7	Trix	9,836	2.4%

Ace usage over time

In HTTP Archive's monthly crawl of public websites, Ace was detected on 22,435 pages in September 2026, down 27.8% from a year earlier (peak: 69,849). HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.

Same month, other Rich Text Editors technologies in HTTP Archive: Froala Editor 156,774, TinyMCE 152,362, CKEditor 124,819, Quill 104,708, Trix 22,015.

Ace 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.

US97
GB35
FR15
CA8
WO6
IT4
DE4
AU4
RU3
JP3

Companies using Ace

algotester.com
babeljs.io
codebeautify.org
xm1math.net
codehs.com
webdesignerwall.com · Web Designer Wall
exist-db.org
xdsoft.net
jscolor.com
textup.fr
projectfluent.org
fold.it

See all 15,070 websites using Ace or download the full list as a CSV for $29.

How these numbers are calculated

TechLeads scans public websites and detects Ace from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Ace's website count divided by the website counts of all Rich text editors technologies we track; a site using two Rich text editors tools counts for both. Counts were last refreshed on October 9, 2026 and update daily.

FAQ

Ace accounts for 3.7% of Rich text editors detections in the TechLeads index (15,070 websites), which makes it the 5th most-used of 15 Rich text editors technologies we track.