A challenge websites use to tell humans from bots; heavy CAPTCHA rates usually signal proxy detection. This page explains what it means, when it matters and how it relates to choosing a proxy.
What captcha means
A challenge websites use to tell humans from bots; heavy CAPTCHA rates usually signal proxy detection.
Why it matters when choosing a proxy
Understanding captcha helps you compare providers accurately and avoid paying for the wrong option. It shows up on pricing pages, dashboards and API docs, so knowing the term saves confusion when you buy.
Related terms
- User agent — A header that tells a site what browser and device is making the request.
- Residential proxy — A proxy that routes traffic through a real home IP address assigned by an internet service provider, making requests look like ordinary consumer traffic.
- Datacenter proxy — A proxy hosted on servers in a data center. It is fast and cheap but easier for websites to identify as non-residential.
- Reverse proxy — A server that sits in front of web servers and forwards client requests to them.
Frequently asked questions
A challenge websites use to tell humans from bots; heavy CAPTCHA rates usually signal proxy detection.
It helps. Knowing what captcha means lets you compare plans accurately and pick the option that fits your task instead of guessing from marketing copy.
Have a question about captcha: definition and how it works? Email us at info@proxyguidez.com — we are happy to help.