Secured By "Internet2"
| Website | Rank |
|---|---|
 stanford.edu | 123 |
 cornell.edu | 211 |
 washington.edu | 239 |
 princeton.edu | 253 |
 umn.edu | 396 |
 wisc.edu | 409 |
 cmu.edu | 418 |
 si.edu | 423 |
 jhu.edu | 429 |
 uchicago.edu | 434 |
| u**c.edu | 491 |
 nyu.edu | 524 |
 ucsd.edu | 533 |
 purdue.edu | 554 |
 duke.edu | 560 |
Popular SSL Providers
| Provider | Sites Secured |
|---|---|
| Let's Encrypt | 126,487 |
| COMODO CA Limited | 32,267 |
| CloudFlare, Inc. | 25,201 |
| DigiCert Inc | 23,618 |
| cPanel, Inc. | 20,937 |
| Sectigo Limited | 19,844 |
| Google Trust Services | 16,373 |
| GoDaddy.com, Inc. | 10,058 |
| GlobalSign nv-sa | 8,604 |
| Amazon | 3,977 |
| Starfield Technologies, Inc. | 3,816 |
| Unizeto Technologies S.A. | 2,535 |
| Entrust, Inc. | 840 |
| Microsoft Corporation | 762 |
| Gandi | 383 |
