As of October 16, 2026, AlphaSSL Seal is used by 16,772 websites in the TechLeads index: 22.7% of all SSL Seals detections, the 2nd most-used of 15 SSL Seals technologies.
Quoting these numbers? Credit TechLeads with a link to this page.
Citation
TechLeads. "AlphaSSL Seal Customers and Market Share." Data as of October 16, 2026. https://techleads.fyi/technology/alphassl-seal/market-shareHTML link
<a href="https://techleads.fyi/technology/alphassl-seal/market-share">AlphaSSL Seal market share (TechLeads data)</a>Websites using each technology in the TechLeads index, and its share of all SSL Seals detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | McAfee Secure | 38,746 | 52.2% |
| 2 | AlphaSSL Seal | 16,772 | 22.7% |
| 3 | GeoTrust Seal | 8,347 | 11.2% |
| 4 | GlobalSign Seal | 4,693 | 6.3% |
| 5 | Thawte Seal | 1,542 | 2.1% |
| 6 | Trustwave Seal | 1,528 | 2.1% |
| 7 | TrustLogo | 1,210 |
Based on country-code domains (such as .de or .co.uk); websites on .com and other generic domains are not assigned a country.
See all 16,772 websites using AlphaSSL Seal or download the full list as a CSV for $29.
TechLeads scans public websites and detects AlphaSSL Seal from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is AlphaSSL Seal's website count divided by the website counts of all SSL Seals technologies we track; a site using two SSL Seals tools counts for both. Counts were last refreshed on October 16, 2026 and update daily.
| 1.6% |
Rows link to each competitor's market share page where one exists. The table lists the 7 most-used technologies; ranks are by website count.