| Rank | Technology | Adoption Rate | Companies |
|---|---|---|---|
| 1 | reCAPTCHA |
5.25%
|
385 |
| 2 | hCaptcha |
2.02%
|
148 |
| 3 | Turnstile |
0.5%
|
37 |
| 4 | Sucuri Firewall |
0.07%
|
5 |
| 5 | Wordfence |
0.03%
|
2 |