Enhanced Conversions

What It Is

Enhanced Conversions is a Google Ads feature that sends hashed first-party customer data (like the email or phone number someone gave you on a contact form) back to Google to help match a real conversion to a real ad click, even when cookies are blocked or restricted. The data is irreversibly hashed before it leaves your site, so Google never sees the raw email or phone number.

Why It Matters

Since cookie restrictions in iOS and major browsers have tightened, traditional pixel-based conversion tracking misses 10 to 30 percent of real leads on a typical local service account. That means Google’s bidding algorithm is working with an incomplete picture and your reports underrepresent what your ads are actually producing. Enhanced Conversions recovers a chunk of that lost data, which usually leads to better bidding decisions and a lower cost per lead over time.

Common Misconception

Owners assume Enhanced Conversions sends customer data to Google in a way that creates a privacy risk. The data is hashed using a one-way function before it ever leaves your site, meaning Google receives a fingerprint, not the raw email or phone number. It’s a different mechanism from sharing a customer list.

FAQ

Do I need a developer to set this up?

If your site is on WordPress with Google Tag Manager, you can usually turn it on without code. If your form provider doesn’t expose the customer’s email or phone to GTM, you’ll need a developer to wire it up. Either way it’s a one-time setup, not ongoing work.

Will my reported conversion numbers go up or down after I turn this on?

Usually up, sometimes meaningfully. Many local accounts see reported conversions climb 10 to 25 percent in the first month after enabling Enhanced Conversions, because the system is now catching leads that cookie-based tracking missed.

Is this the same thing as offline conversion import?

No. Enhanced Conversions runs in the browser when someone fills out a form on your site. Offline conversion import is a separate process where you upload a file of closed jobs later. The two work well together, but they solve different problems.