| Rank | Technology | Adoption Rate | Companies |
|---|---|---|---|
| 1 | reCAPTCHA |
6.6%
|
630 |
| 2 | hCaptcha |
2.98%
|
285 |
| 3 | Turnstile |
0.59%
|
56 |
| 4 | Sucuri Firewall |
0.1%
|
10 |
| 5 | Wordfence |
0.04%
|
4 |