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Why I never use reCAPTCHA on Google Ads landing pages

Published October 2023. Last updated July 2026.

Preventing fake leads from submitting your contact form using something like reCAPTCHA is popular but, I think it's wrong when you're paying for online advertising.

Preventing fake leads submitting the form hides the problem. It’s like putting a sticker over the check engine light on your dashboard. No light = no problem. No fake leads = no fake traffic.

If you’re paying for online advertising you need to know how much fake traffic you’re paying for. (I’ve seen suggestions that between 10% and 35% of Google Ads clicks are not from people interested in what you sell.)

A better way is to allow anyone - legit or not - to submit your form and then filter the junk out. It’s the only way to you know if you’re paying for fake leads. This is how we do it in GhostBlocker.

  • Legitimate leads go into the inbox so someone on your team can start turning them into sales.
  • Fake leads go into a spam folder.

If you’re concerned about fake leads you’re welcome to use GhostBlocker. It'll pay for itself from the savings you'll make from the fake leads you're currently paying for.

Most Google Ads Problems Aren't Google Ads Problems
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