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Google Ads Conversion Tracking and GTM Setup Guide | Eka
GOOGLE ADS CONVERSION MEASUREMENT

Google Ads Conversion Tracking Setup with Google Tag, GTM and Enhanced Conversions

Campaign optimization is unreliable without accurate conversion signals. The Google tag should run across the site, while the event code fires only when the conversion occurs. Purchase events should include a unique transaction ID, value and currency, and primary business outcomes should be separated from micro interactions.

SITE-WIDEGoogle tag across the website
EVENTFires at the conversion moment
48 HOURSStatus updates can take time
SHA-256Secure hashing for enhanced conversions
01
ESSENTIALS

What to know before making a decision

Google Ads settings vary by objective, ad format, device and placement. Classify the format before changing the campaign.

Conversion status is unverified

The tag may not have been seen, the ID may be wrong or the trigger may not fire.

Conversions are counted twice

A page-view trigger and click trigger may send the same action.

Sales are counted without revenue

Dynamic value, currency or order data is missing.

Opening the form counts as a conversion

A button click or form view is measured instead of successful submission.

02
COMMON MISTAKES

Critical errors that waste budget or block delivery

Do not force one size or campaign type onto every objective. Evaluate intent, creative and measurement together.

High

The Google tag exists only on the thank-you page

Sitewide click information and measurement coverage can be incomplete.

High

Incorrect conversion ID or label

The event is sent to the wrong action or cannot be matched.

Medium

No transaction_id is used

Refreshes and repeat visits can count the same purchase again.

Medium

Primary and secondary goals are mixed

Micro actions can mislead Smart Bidding away from real business outcomes.

03
IMPLEMENTATION FLOW

Complete the setup in a measurable sequence

Validate the objective, assets, conversion action and serving status at every stage. Optimize only after enough data is available.

01

Define conversions by business outcome

Create separate purchase, qualified lead, call and store-result actions.

02

Install the Google tag sitewide

Place it in every page head or deploy it once through a GTM container.

03

Fire the event at the correct success point

Use a thank-you page, successful API response, completed order or verified call event.

04

Send dynamic values

For e-commerce, pass real value, currency and a unique transaction_id.

05

Configure enhanced conversions

With appropriate consent, normalize first-party user data and send securely hashed matching signals.

06

Test with Tag Assistant and diagnostics

Verify one event per action, correct IDs, values and network requests, then allow time for status updates.

04
READY CHECKLISTS

Copyable plans and technical values

Adapt these values to your campaign, brand and conversion goal.

Google tag example
<script async src="https://www.googletagmanager.com/gtag/js?id=AW-CONVERSION-ID"></script>
<script>
window.dataLayer=window.dataLayer||[];
function gtag(){dataLayer.push(arguments);}
gtag("js",new Date());
gtag("config","AW-CONVERSION-ID");
</script>
Purchase event
<script>
gtag("event","conversion",{
"send_to":"AW-CONVERSION-ID/CONVERSION-LABEL",
"value":1499.90,
"currency":"TRY",
"transaction_id":"ORDER-2026-1001"
});
</script>
Form conversion plan
Trigger: Successful server response
Condition: Lead was stored
Conversion: Qualified form
Count: One
Value: Fixed or dynamic
Button click: Secondary
Test checklist
Tag Assistant connected
Google tag loads once
Conversion ID is correct
Conversion label is correct
Event fires only on success
Network request returns 200
Account and policy risk

Google Ads interfaces, campaign names, features and enforcement can change. Check current account notices and official Google documentation before launch.

05
FREQUENTLY ASKED QUESTIONS

Most searched Google Ads questions

Where should the Google tag be installed?

It should run on every page, typically in the head. With GTM, configure it once in the container and connect it to the correct Ads account.

Why is the conversion tag unverified?

Wrong IDs, an inactive trigger, consent settings, an unpublished GTM container or delayed status updates can cause this. Google notes that status can take up to 48 hours to update after changes.

Should a button click be a conversion?

Only when the click itself represents the business outcome. A successful form or purchase is usually a stronger primary conversion.

What are enhanced conversions?

They supplement the existing tag with securely SHA-256-hashed first-party customer data to improve matching and measurement accuracy.

07
RELATED GUIDES

Continue with the right optimization step

EKA SOFTWARE GOOGLE ADS KNOWLEDGE CENTER

Do not only launch ads; measure the right outcome.

Campaign type, creative, landing page and conversion measurement need to work together for useful performance.

Google Ads consulting
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