Frequently Asked Question
How to prevent Bad Bots on my Website?
Last Updated 2 years ago
Bots are on your website every day so how should you protect yourself? Every site is targeted for different reasons, and usually by different methods, so there is no one-size-fits-all bot defense solution. But there are some proactive steps you can take to start addressing the problem.
Here are nine recommendations to help stop bot attacks.
The default configurations for many tools and scripts contain user-agent string lists that are largely outdated. This step won’t stop the more advanced attackers, but it might catch and discourage some. The risk in blocking outdated user agents/browsers is very low; most modern browsers force auto-updates on users, making it more difficult to surf the web using an outdated version.
We recommend you block or CAPTCHA the following browser versions:

Block these data centers:

CAPTCHA these data centers:

Here are nine recommendations to help stop bot attacks.
1. Block or CAPTCHA outdated user agents/browsers
The default configurations for many tools and scripts contain user-agent string lists that are largely outdated. This step won’t stop the more advanced attackers, but it might catch and discourage some. The risk in blocking outdated user agents/browsers is very low; most modern browsers force auto-updates on users, making it more difficult to surf the web using an outdated version.
We recommend you block or CAPTCHA the following browser versions:
2. Block known hosting providers and proxy services
Even if the most advanced attackers move to other, more difficult-to-block networks, many less sophisticated perpetrators use easily accessible hosting and proxy services. Disallowing access from these sources might discourage attackers from coming after your site, API, and mobile apps.Block these data centers:

CAPTCHA these data centers:
