Question 1

What is the difference between remarketing and Customer Match?

Accepted Answer

Remarketing reaches users who interacted with your site or app, identified via cookies and tracking pixels. Customer Match reaches users whose contact information (email, phone, address) matches your customer list, regardless of whether they visited your site. Remarketing requires prior site interaction; Customer Match works for any matched user even on first impression.

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Question 2

What is the difference between lookalike audiences and similar audiences?

Accepted Answer

Similar audiences (deprecated 2023) were Google's automatic lookalike system tied to a single seed audience. Lookalike segments (current) require explicit creation, can blend multiple seed audiences, and use Google's newer modeling that incorporates conversion-value data. Lookalike segments give you more control and better targeting precision than the older similar audience system.

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Question 3

Can I combine multiple audience segments in Google Ads?

Accepted Answer

Yes. Combined audiences let you blend multiple segments using AND, OR, and NOT operators. Example: in-market for CRM software AND affinity for technology enthusiasts AND age 25-54. Combined audiences narrow reach but increase precision - useful when broad audiences pull in irrelevant intent. Available in most campaign types as audience targeting or signal.

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Question 4

Should I use audience targeting or observation in Google Ads?

Accepted Answer

Use observation when you want to collect performance data without restricting reach (good for understanding which audiences convert). Use targeting when you want to limit ad delivery to specific audience segments only (cuts impressions but raises precision). Best practice: start with observation, identify high-converting audiences, then move them to targeting with custom bid adjustments.

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Question 5

What audience sizes do I need for Google Ads audiences?

Accepted Answer

Customer Match: at least 1,000 matched users for Search Ads, 1,000 for Display. Remarketing lists: 1,000 users (Search Ads), 100 (Display). Lookalike segments: seed audience of 1,000+ converters. Below these thresholds, audiences cannot serve. Build seed audiences via Customer Match upload, site tagging, or conversion tracking before activating audience-led campaigns.

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Question 6

How do I exclude audiences in Google Ads?

Accepted Answer

In a campaign's audience settings, switch the exclude tab and select audiences you want to block from seeing ads. Common exclusions: existing customers from prospecting campaigns, brand-search audiences from non-brand campaigns, employees, churned users. Audience exclusions work alongside negative keywords and demographic exclusions to refine who actually sees your ad.

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Question 7

Which Google Ads campaign types support audience targeting?

Accepted Answer

Search and Shopping support audiences as observation by default; targeting requires manual switch. Display, YouTube (Video), Demand Gen, and Discovery support audience targeting natively. Performance Max accepts audience signals (hints, not strict targeting). App campaigns use audience signals indirectly. Smart campaigns offer limited audience options. Almost every campaign type supports first-party audiences.

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Question 8

How do I choose the best audience segments for my Google Ads campaign?

Accepted Answer

Start with your first-party data: Customer Match (existing buyers) and remarketing (past visitors). Layer in-market segments matching your category for prospecting. Add affinity only for upper-funnel brand campaigns. Test each segment in observation first, then promote high-converting segments to targeting. Refresh segments quarterly as audience definitions evolve.

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Question 9

How do I set up Google Ads conversion tracking?

Accepted Answer

In Google Ads, go to Tools & Settings > Conversions > New conversion action. Choose the conversion type (website, phone calls, app, import), define the event, get the tracking tag, and install it on your site (directly or via Google Tag Manager). Verify firing via the Google Tag Assistant. Allow 24-48 hours for data to populate before relying on it.