Enhanced Conversions

Data & Tracking

Also: Google Ads Enhanced Conversions · Enhanced Conversion Tracking

What it doesAdds hashed customer data to conversions
Works withExisting pixel or server-side tag
Not a fix forBroken conversion tracking
RequiresValid consent and clean first-party data

Quick definition

Enhanced Conversions is a Google Ads feature that sends hashed customer details, such as email address or phone number, alongside a conversion event to improve match accuracy. It supplements existing conversion tracking rather than replacing it, helping recover conversions that cookies or pixels alone would otherwise miss.

How it varies across Australia

Match rate improvements from Enhanced Conversions vary widely depending on how much first-party data a business already collects cleanly. Businesses with strong checkout or lead-form data capture tend to see the strongest gains. Businesses relying on sparse form fields see far less benefit.

See data and tracking maturity across Australian industries

What it actually means

Enhanced Conversions is a feature inside Google Ads that lets you send hashed customer details, email, phone number, name, address, alongside each conversion event. It doesn't replace the pixel or the conversion tag. It sits next to it and fills in the gaps.

The problem it solves is straightforward. Browser privacy restrictions and cookie blocking have made it harder for platforms to stitch a click to a conversion using cookies alone. Enhanced Conversions gives Google Ads a second matching path. If someone clicks an ad on their phone then converts later on desktop, or blocks third-party cookies entirely, the hashed customer data can still connect the dots.

The data is hashed before it leaves your server or browser, using SHA-256, so Google never sees the raw email address or phone number. Matching happens against Google's own hashed records of signed-in users.

This isn't a replacement for good tracking, it's a supplement. It works best layered on top of server-side tagging through Google Tag Manager or a conversion API, not as a standalone fix for a broken tracking setup.

Enhanced Conversions recovers conversions your tracking was already missing. It doesn't fix tracking that was broken to begin with.

How it shows up

Enhanced Conversions shows up as a status column inside Google Ads conversion action settings, marked as enabled, needs attention or not enabled. It also shows up indirectly as a lift in reported conversion volume once implemented, usually visible within a few weeks as the match rate climbs. On the technical side, it appears in the data layer or server-side tagging setup as extra fields, hashed email and hashed phone, passed alongside the standard conversion event.

The Australian context

Australian businesses running lean marketing teams often treat Enhanced Conversions as a Google Ads checkbox rather than a data project. It isn't. Implementing it properly usually needs someone comfortable with Google Tag Manager or a developer to wire up hashing correctly on the server side.

The Privacy Act amendments moving through Parliament make this more relevant, not less. Businesses that already collect first-party data cleanly, with proper consent capture, are better placed to make Enhanced Conversions work. Businesses relying entirely on third-party cookies and loose data collection will find the match rates disappointing because there's less clean first-party data to hash and send in the first place.

Where people get this wrong

Treating Enhanced Conversions as a fix for broken conversion tracking.It supplements an existing conversion event, it doesn't create one. If the base tag isn't firing correctly, hashed customer data has nothing to attach to.
Sending unhashed customer data.Google requires SHA-256 hashing before the data leaves your environment. Sending raw values breaches Google's policy and exposes customer data unnecessarily.
Ignoring consent before enabling it.Enhanced Conversions relies on personal data. Turning it on without a valid consent mechanism creates a compliance gap the tracking benefit doesn't offset.

Related terms

Common questions

Is Enhanced Conversions the same as server-side tracking?

No. Enhanced Conversions is a Google Ads feature that adds hashed customer data to a conversion event. Server-side tracking is a broader architecture where conversion data is sent from your server rather than the browser. The two work well together but solve different problems.

Does Enhanced Conversions replace cookies?

No, it works alongside your existing tracking as an extra matching signal. Cookies and pixels still fire as normal. Enhanced Conversions gives Google Ads a second way to match a conversion when the cookie-based match fails or is blocked.

What customer data does Enhanced Conversions use?

Typically email address, phone number, name and postal address, all hashed with SHA-256 before it's sent to Google. The hashing happens on your side, so Google never receives the raw information.

Will Enhanced Conversions increase my reported conversions?

Usually yes, though the size of the lift depends on how much conversion tracking was already missing. Businesses with strong existing tracking see a smaller lift. Businesses hit hard by cookie loss or tracking restrictions often see a meaningful increase in matched conversions.

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About New Rebellion

New Rebellion is a marketing intelligence consultancy. We build tools, score Australian businesses on how their marketing actually performs, and publish Debrief every day. This dictionary is part of how we work in the open.

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