| Rank | Technology | Adoption Rate | Companies |
|---|---|---|---|
| 1 | reCAPTCHA |
1.66%
|
56 |
| 2 | hCaptcha |
0.83%
|
28 |
| 3 | Turnstile |
0.27%
|
9 |
| 4 | Sucuri Firewall |
0.03%
|
1 |
| 5 | Wordfence |
0.03%
|
1 |