| Rank | Technology | Adoption Rate | Companies |
|---|---|---|---|
| 1 | reCAPTCHA |
4.68%
|
884 |
| 2 | hCaptcha |
1.67%
|
316 |
| 3 | Turnstile |
0.94%
|
178 |
| 4 | Sucuri Firewall |
0.06%
|
11 |
| 5 | Wordfence |
0.03%
|
5 |