---
title: "How do I test click fraud protection properly?"
description: "Protect one campaign and leave a comparable one unprotected as a control. Run both for a full month, since two weeks cannot separate a real effect from normal variation. Then compare cost per..."
url: https://blockclickfraud.com/faq-items/how-do-i-test-click-fraud-protection-properly/
date: 2026-09-20
modified: 2026-09-20
author: "Block Click Fraud"
type: faq
lang: en
---

# How do I test click fraud protection properly?

Protect one campaign and leave a comparable one unprotected as a control. Run both for a full month, since two weeks cannot separate a real effect from normal variation. Then compare cost per conversion, not click counts. A drop in clicks alone proves only that something was blocked. A drop in cost per conversion proves the blocked traffic was worthless to you.

How do I test click fraud protection properly?[Block Click Fraud](https://blockclickfraud.com/author/block-click-fraud/)2026-09-20T07:11:55+00:00