As of October 8, 2026, CMS.S3 is used by 17,311 websites in the TechLeads index: 0.37% of all Enterprise detections, the 14th most-used of 163 Enterprise technologies.
Quoting these numbers? Credit TechLeads with a link to this page.
Citation
TechLeads. "CMS.S3 Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/cms-s3/market-shareHTML link
<a href="https://techleads.fyi/technology/cms-s3/market-share">CMS.S3 market share (TechLeads data)</a>Websites using each technology in the TechLeads index, and its share of all Enterprise detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | Site Kit | 1,573,454 | 33.8% |
| 2 | Webasyst | 1,046,624 | 22.5% |
| 3 | Newfold Digital | 897,577 | 19.3% |
| 4 | Magento Enterprise | 285,594 | 6.1% |
| 5 | Adobe CQ | 271,173 | 5.8% |
| 6 | TYPO3 | 103,307 | 2.2% |
| 7 | eZ Systems |
See all 17,311 websites using CMS.S3 or download the full list as a CSV for $29.
TechLeads scans public websites and detects CMS.S3 from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is CMS.S3's website count divided by the website counts of all Enterprise technologies we track; a site using two Enterprise tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.
| 89,348 |
| 1.9% |
| 8 | Wistia | 75,935 | 1.6% |
| 9 | Adobe Experience Manager | 53,496 | 1.1% |
| 10 | Sitecore CMS | 33,550 | 0.72% |
| 11 | Siteimprove | 23,268 | 0.50% |
| 12 | Shopware | 20,477 | 0.44% |
| 13 | Contentful | 17,994 | 0.39% |
| 14 | CMS.S3 | 17,311 | 0.37% |
| 15 | dotCMS | 13,309 | 0.29% |
| 16 | Lovable | 12,267 | 0.26% |
| 17 | Liferay | 11,425 | 0.25% |
| 18 | VTEX | 9,393 | 0.20% |
| 19 | Umbraco | 9,231 | 0.20% |
| 20 | Salesforce Commerce Cloud | 7,489 | 0.16% |
| 21 | WordPress VIP | 7,334 | 0.16% |
Rows link to each competitor's market share page where one exists. The table lists the 21 most-used technologies; ranks are by website count.