| Rank | Technology | Adoption Rate | Companies |
|---|---|---|---|
| 1 | reCAPTCHA |
3.71%
|
186 |
| 2 | hCaptcha |
1.81%
|
91 |
| 3 | Turnstile |
0.36%
|
18 |
| 4 | Sucuri Firewall |
0.06%
|
3 |
| 5 | Wordfence |
0.02%
|
1 |