As of October 8, 2026, Sign In With Google is used by 38,640 websites in the TechLeads index: 3.3% of all Login detections, the 2nd most-used of 38 Login technologies.
Quoting these numbers? Credit TechLeads with a link to this page.
Citation
TechLeads. "Sign In With Google Customers and Market Share." Data as of October 8, 2026. https://techleads.fyi/technology/sign-in-with-google/market-shareHTML link
<a href="https://techleads.fyi/technology/sign-in-with-google/market-share">Sign In With Google market share (TechLeads data)</a>Websites using each technology in the TechLeads index, and its share of all Login detections.
| # | Technology | Websites | Share |
|---|---|---|---|
| 1 | Facebook Login | 1,045,489 | 90.3% |
| 2 | Sign In With Google | 38,640 | 3.3% |
| 3 | Keycloak | 30,159 | 2.6% |
| 4 | Okta | 10,715 | 0.93% |
| 5 | Clerk UMP | 7,416 | 0.64% |
| 6 | Microsoft Authentication Library for JavaScript | 5,903 | 0.51% |
| 7 | ClassLink |
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 38,640 websites using Sign In With Google or download the full list as a CSV for $29.
TechLeads scans public websites and detects Sign In With Google from signals in the page HTML, scripts, cookies, HTTP headers and DNS records. Market share is Sign In With Google's website count divided by the website counts of all Login technologies we track; a site using two Login tools counts for both. Counts were last refreshed on October 8, 2026 and update daily.
| 5,002 |
| 0.43% |
| 8 | Login with Amazon | 2,908 | 0.25% |
| 9 | Oxi Social Login | 2,565 | 0.22% |
| 10 | Auth0 | 2,519 | 0.22% |
| 11 | LINE Login | 1,756 | 0.15% |
| 12 | Gigya | 936 | 0.08% |
| 13 | MTCaptcha | 537 | 0.05% |
| 14 | AgeVerify | 400 | 0.03% |
| 15 | AgeChecker.Net | 371 | 0.03% |
| 16 | Loginza | 364 | 0.03% |
| 17 | LoginRadius | 346 | 0.03% |
| 18 | Mosyle | 310 | 0.03% |
| 19 | SheerID | 257 | 0.02% |
| 20 | Janrain | 223 | 0.02% |
| 21 | Persona Identity | 166 | 0.01% |
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.