As of October 9, 2026, Google Sign-in is used by 394,841 websites in the TechLeads index: 24.4% of all Authentication detections, the 2nd most-used of 29 Authentication technologies.
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Citation
TechLeads. "Google Sign-in Customers and Market Share." Data as of October 9, 2026. https://techleads.fyi/technology/google-sign-in/market-shareHTML link
<a href="https://techleads.fyi/technology/google-sign-in/market-share">Google Sign-in market share (TechLeads data)</a>Websites using each technology in the TechLeads index, and its share of all Authentication detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | Facebook Login | 1,045,489 | 64.6% |
| 2 | Google Sign-in | 394,841 | 24.4% |
| 3 | Linkedin Sign-in | 55,143 | 3.4% |
| 4 | NextAuth.js | 38,669 | 2.4% |
| 5 | Apple Sign-in | 30,173 | 1.9% |
| 6 | Okta | 10,720 | 0.66% |
| 7 | Clerk | 10,627 |
In HTTP Archive's monthly crawl of public websites, Google Sign-in was detected on 545,296 pages in September 2026, down 2.2% from a year earlier (peak: 577,828). Among the 1,000 most-visited sites, it appeared on 200. HTTP Archive is a separate dataset from the TechLeads index, so its numbers are not added to ours.
Same month, other Authentication technologies in HTTP Archive: Facebook Login 1,887,184, NextAuth.js 84,936, Apple Sign-in 51,541, Linkedin Sign-in 44,214, Clerk 28,894.
See all 394,841 websites using Google Sign-in or download the full list as a CSV for $29.
TechLeads scans public websites and detects Google Sign-in from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Google Sign-in's website count divided by the website counts of all Authentication technologies we track; a site using two Authentication tools counts for both. Counts were last refreshed on October 9, 2026 and update daily.
| 0.66% |
| 8 | Super Socializer | 10,090 | 0.62% |
| 9 | SAP Customer Data Cloud Sign-in | 3,180 | 0.20% |
| 10 | Login with Amazon | 2,908 | 0.18% |
| 11 | Oxi Social Login | 2,565 | 0.16% |
| 12 | Auth0 | 2,519 | 0.16% |
| 13 | OneAll | 2,288 | 0.14% |
| 14 | SimpleSAMLphp | 1,928 | 0.12% |
| 15 | LINE Login | 1,756 | 0.11% |
| 16 | Microsoft Authentication | 989 | 0.06% |
| 17 | Auth0 Lock | 944 | 0.06% |
| 18 | GetSocial | 683 | 0.04% |
| 19 | Growave | 554 | 0.03% |
| 20 | LoginRadius | 346 | 0.02% |
| 21 | Azure AD B2C | 277 | 0.02% |
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.