Google Display Advertising Targeting: How to Build Better Audiences

Google Display advertising can reach potential customers across websites, apps, Gmail, YouTube, Discover and other visual Google surfaces. However, its scale is both its greatest strength and its biggest risk.

Search advertising captures existing demand. Someone searches for a product, service or solution and an advertiser responds. Display advertising usually works differently: it reaches people while they are consuming content, researching options or moving between websites and apps.

This means successful Display advertising requires more than selecting a broad audience and uploading a few banners. You need to control:

• Who should see the adverts

• Where the adverts can appear

• Which stage of the buying journey you want to influence

• What message each audience should receive

• How much targeting freedom Google’s AI should have

• How performance will be measured beyond superficial clicks and impressions

Used well, Display advertising can support remarketing, customer acquisition, product launches, brand building and longer buying journeys. Used carelessly, it can generate enormous impression volumes without creating meaningful business results.

Display Advertising Is Moving into Demand Gen

Google is moving standalone Display campaigns into Demand Gen, where the Google Display Network becomes one of several selectable channels alongside YouTube, Discover, Gmail and Maps.

Eligible advertisers can already migrate compatible Display campaigns. Google intends to make Demand Gen the new home for Display advertising, although existing campaign types and migration options may remain visible during the transition.

This is more than an interface change. Demand Gen provides:

• Channel controls for selecting where adverts can appear

• Image, video, carousel and product-feed formats

• Responsive Display and uploaded image adverts

• Audience targeting and first-party data segments

• Custom segments and in-market audiences

• Lookalike segments built from eligible source audiences

• Conversion, conversion-value and traffic-focused bidding

• Creative experiments and more detailed format reporting

Advertisers should therefore understand both traditional Display targeting and the increasingly audience-led Demand Gen model. The core strategic question remains the same: are you targeting the right people, in suitable environments, with an advert appropriate to their current level of intent?

Search Targeting and Display Targeting Are Fundamentally Different

With a Google Search campaign, the keyword helps determine when an advert can enter an auction. The person has normally expressed some level of intent through their search.

Display targeting can be based on either the person or the content they are viewing.

This distinction matters. Adding “commercial property insurance” as a Display keyword does not work like adding the same phrase to a Search campaign. A Display keyword generally helps Google understand relevant content or audience interests; it does not mean that everyone reached has just searched for that exact term.

Start with the Campaign Objective

Audience selection should follow the commercial objective—not the other way around.

Before creating a campaign, decide what you are trying to achieve.

Direct response and lead generation

A direct-response campaign is expected to generate measurable enquiries, bookings, trials, purchases or other valuable actions.

The strongest starting audiences will often include:

• Previous website visitors

• Cart or form abandoners

• Existing leads that have not converted

• Customer Match lists

• High-intent custom segments

• Relevant in-market segments

• People who have visited high-value pages

• Previous customers suitable for cross-selling

For lead generation, a completed form should not automatically be treated as a successful outcome. Connect advertising data to the CRM so you can distinguish between an unqualified enquiry, a qualified lead, an opportunity and a completed sale.

Brand awareness

Awareness campaigns are designed to build familiarity and mental availability before someone is ready to buy.

Relevant measures may include:

• Reach

• Frequency

• Viewable impressions

• Video completion

• Brand-search growth

• Direct traffic

• Engaged visits

• Search lift or brand lift

• Assisted and post-view conversions

Awareness should not be used as an excuse for vague reporting. The measurement model may be broader, but the campaign should still have a defined audience, message, budget and evaluation period.

Consideration and demand generation

Consideration campaigns sit between awareness and immediate conversion. They can introduce a solution, explain a complicated service, promote educational content or move prospects towards a later search.

Demand Gen is particularly relevant here because it combines visual inventory with audience targeting across several Google channels. It is closer to paid social advertising than a conventional Search campaign, although Google’s first-party intent signals create different targeting opportunities.

Build Audiences Around Buying Intent

Not all audience signals indicate the same level of commercial intent. Someone who has a general interest in home improvement is not equivalent to someone comparing kitchen installation companies.

A useful audience hierarchy is:

1. Existing customers and sales opportunities

2. Qualified leads and previous converters

3. High-intent website visitors

4. Cart, checkout, quote or form abandoners

5. People actively researching the category

6. Custom segments built around commercial behaviour

7. Broader affinity and lifestyle audiences

8. Contextual and demographic prospecting

9. Fully automated expansion

This does not mean every campaign must start with remarketing. A new advertiser may not have enough first-party data. However, it demonstrates why broad targeting should not be compared directly with a small, high-intent remarketing audience.

Your Data Segments and Remarketing

Google now commonly refers to remarketing lists as “your data segments”. These can be created from website activity, app activity, YouTube engagement or customer information.

A basic remarketing campaign might target everyone who visited the website, but more precise segmentation usually produces better messaging and budget control.

Useful segments include:

• All website visitors

• Visitors to a particular service category

• Product viewers

• Pricing-page visitors

• Quote-calculator users

• Form starters who did not submit

• Basket or checkout abandoners

• Existing leads

• Qualified opportunities

• Previous customers

• High-value customers

• Customers approaching renewal

• People who watched particular YouTube videos

Segment membership should reflect the buying cycle. A seven-day audience may be appropriate for an emergency service, while a commercial software purchase could require a much longer evaluation period.

Exclude people who should not see the advert

Remarketing is not only about inclusion. Exclusions can prevent budget waste and inappropriate messaging.

Depending on the objective, exclude:

• Recent purchasers

• Existing customers

• Employees

• Job applicants

• Suppliers

• Spam leads

• People who completed the desired action

• Users outside the service area

• Very short or clearly irrelevant visits

A customer may still be valuable for cross-selling, referrals or renewal advertising, but they should be moved into a separate campaign with an appropriate message.

Customer Match and CRM Audiences

Customer Match allows advertisers to use consented customer information such as email addresses, telephone numbers and postal details to create first-party audience segments.

This is especially valuable when website-based audiences are incomplete or when the most useful commercial information exists in the CRM rather than Google Analytics.

CRM audiences can include:

• New leads awaiting contact

• Marketing-qualified leads

• Sales-qualified leads

• Open opportunities

• Lost opportunities

• Customers by product or service

• High-lifetime-value customers

• Dormant customers

• Customers due to renew

• Leads disqualified for a temporary reason

The most valuable list is rarely “all contacts”. A CRM containing customers, prospects, suppliers, applicants and spam submissions should not be uploaded as one undifferentiated audience.

Where appropriate, use Google Ads Data Manager, a native CRM connection or another secure integration to keep lists synchronised. Ensure that data collection, consent and activation comply with UK GDPR, Google’s Customer Match policies and the relevant consent requirements.

In-Market Audiences

In-market audiences are designed to reach people Google believes are actively researching or considering products and services within a category.

Google may infer this from signals such as:

• Search and browsing activity

• The type and frequency of content viewed

• Product comparisons

• Interactions with relevant websites

• Recency of commercial behaviour

• Engagement across Google properties

In-market audiences are generally more suitable for direct response than broad interest audiences, but they are not equivalent to Search keywords. The advertiser does not see every signal or know precisely why an individual entered the segment.

Treat them as useful indicators of intent, not guaranteed proof that someone is ready to purchase.

Affinity Audiences

Affinity audiences group people according to longer-term interests, habits and lifestyles. Examples might include technology enthusiasts, frequent travellers or fitness enthusiasts.

These audiences are normally broader than in-market segments and are often better suited to:

• Brand awareness

• Product launches

• Sponsorship amplification

• Educational content

• High-reach video campaigns

• Long buying cycles

Affinity targeting can produce substantial reach, but it may be inefficient when used by itself for an immediate lead-generation objective.

Life Events and Detailed Demographics

Life-event segments attempt to identify people experiencing significant milestones, such as:

• Moving home

• Getting married

• Graduating

• Starting a business

• Retiring

These events can create temporary demand across several industries. Someone moving home may need a mortgage broker, solicitor, removal company, decorator, broadband provider and new furniture.

Detailed demographics can include characteristics such as:

• Homeownership

• Employment

• Education

• Marital status

• Parental status

Availability varies by location, campaign type and advertising category. Some sensitive or regulated sectors also face restrictions on personalised advertising.

Custom Segments

Custom segments replaced much of the previous custom affinity and custom intent structure.

Advertisers can provide Google with combinations of:

• Keywords and phrases

• Relevant website URLs

• Apps used by the intended audience

• Interests or purchase intentions

• Search terms used on eligible Google properties

For example, a commercial solar installer might create a custom segment using:

• Commercial solar installation

• Warehouse solar panels

• Business solar grants

• Competitor and industry publication URLs

• Energy-management apps

• Commercial renewable-energy terminology

The URLs do not instruct Google to place adverts on those exact websites. They help Google identify people who browse websites similar to them. If you want to advertise on a particular website, use managed placement targeting.

Search-term-based custom segments also need careful interpretation. On eligible Google-owned inventory, they may reach people who searched for those or similar terms. On other inventory, Google can interpret them as interests or purchase intentions.

Custom segments can be powerful, but the inputs should reflect the customer—not simply describe the advertiser.

Demographic Targeting

Standard demographic controls may include:

• Age

• Gender

• Parental status

• Household income

• An “unknown” category

Demographics can be used to target, exclude or analyse groups, depending on campaign compatibility.

Avoid excluding demographic categories based only on assumptions. Google may not know every user’s demographic status, so aggressively excluding “unknown” users can remove valuable prospects.

A better process is to:

• Begin with credible customer research

• Use CRM and conversion data

• Compare lead quality by segment

• Analyse conversion value, not just conversion count

• Make exclusions only when there is sufficient evidence

• Consider whether the product naturally attracts buyers outside the expected profile

Age or gender may correlate with performance without causing it. The real difference could be income, device usage, geography, creative relevance or the campaign’s conversion tracking.

Contextual Keyword Targeting

Contextual keyword targeting helps Google find web pages, apps and videos related to selected themes.

For example, a business selling project-management software might use terms related to:

• Project planning

• Resource management

• Team collaboration

• Workflow software

• Gantt charts

• Business productivity

The advert could then appear beside relevant content even when Google has limited information about the individual user.

Contextual targeting can be useful when:

• The subject matter strongly indicates likely interest

• Personalised advertising is restricted

• The campaign has a strong educational message

• The advertiser wants to align with relevant content

• Audience data is limited

However, context alone does not establish purchase intent. Someone reading an article about a topic may be a student, competitor, employee or casual researcher.

Topic Targeting

Topic targeting allows advertisers to select broader categories of content.

A financial software company might target topics relating to:

• Business finance

• Accounting and auditing

• Enterprise software

• Small business

• Financial planning

Topics generally provide more reach but less precision than carefully selected placements or contextual keywords. They are often more suitable for controlled prospecting, awareness or testing than extremely narrow direct-response campaigns.

Managed Placements

Managed placements allow an advertiser to nominate particular:

• Websites

• Web pages

• Mobile apps

• YouTube channels

• YouTube videos

Placement targeting is useful when you already know where your audience spends time.

For example, an advertiser could target specialist industry publications, trade-association websites or relevant YouTube channels. However, placement availability and advertising inventory are not guaranteed. A website appearing in Google’s placement planner does not mean every page or impression will always be available.

Regularly inspect the “where adverts showed” or placement report. A campaign may serve on pages or apps that meet Google’s targeting logic but have little commercial value for the advertiser.

Understand How Targeting Combinations Work

One of the most important Display targeting details is how Google combines targeting criteria.

Audience targeting and content targeting can narrow a campaign when used together. For example, you might reach an in-market audience only while those people are viewing selected content.

However, Google currently treats multiple content-targeting methods within the same ad group—placements, topics and Display keywords—as alternatives. The advert can appear when the content matches any of them, not necessarily all of them.

If an ad group contains:

• A managed placement

• A topic

• Contextual keywords

Google can serve the advert on the placement, on pages matching the topic or on content matching the keywords. Adding more content methods can therefore broaden reach rather than create a tightly layered intersection.

If you require clean testing and control, separate targeting approaches into different ad groups or campaigns.

Targeting Versus Observation

“Targeting” limits reach to the selected criteria. “Observation” collects reporting data without restricting who can see the adverts.

Observation is particularly useful in Search campaigns, where advertisers can analyse audience performance while retaining keyword-based reach.

Display and Demand Gen campaign options differ, and automated targeting may move beyond manually selected signals. Never assume that adding an audience means only that audience will receive adverts. Review:

• The selected targeting mode

• Whether optimised targeting is enabled

• Channel controls

• Campaign and ad-group settings

• Placement reports

• Audience reporting

• Actual conversion quality

Optimised Targeting

Optimised targeting is Google’s AI-led method for finding additional people predicted to complete the campaign’s conversion goals.

Your selected audiences, keywords and other criteria can act as starting signals. However, Google explains that optimised targeting may expand beyond those signals and may reduce delivery to them if the system predicts better performance elsewhere.

This is very different from the retired conservative and aggressive targeting controls.

Optimised targeting can be appropriate when:

• Conversion tracking is accurate

• The campaign has enough meaningful conversion data

• The objective is customer acquisition

• The budget can support exploration

• Lead quality is imported from the CRM

• The advertiser accepts wider audience discovery

It can be risky when:

• Every form submission is counted equally

• Spam leads are included as primary conversions

• The campaign has very little data

• Geography is incorrectly configured

• Brand-safety requirements are strict

• The advertiser needs to reach a precisely defined audience

• Sales quality is not fed back into Google Ads

Google’s AI optimises towards the signals it receives. If the campaign records low-quality enquiries as successful conversions, the system can become increasingly efficient at generating more low-quality enquiries.

For lead-generation campaigns, offline conversion tracking should ideally distinguish between:

• New enquiry

• Contacted lead

• Qualified lead

• Sales opportunity

• Completed customer

• Revenue generated

Lookalike Segments

Google previously retired Similar Audiences from its standard campaign structure. Lookalike segments now provide a related acquisition method within Demand Gen.

A Lookalike segment begins with an eligible source audience, such as:

• Previous purchasers

• High-value customers

• Website visitors

• YouTube engagers

• Qualified CRM leads

The quality of the source audience matters. A Lookalike based on every website visitor may be far less commercially useful than one based on confirmed customers or qualified opportunities.

Do not mix fundamentally different users into one source. Customers, job applicants, suppliers and unqualified leads may all appear in the CRM, but they should not train the same acquisition audience.

Audience Exclusions

Audience exclusions prevent adverts from reaching people who are unsuitable for a particular campaign.

Common exclusions include:

• Existing customers from new-customer campaigns

• Recent purchasers

• Converted leads

• Employees

• Previous job applicants

• Existing remarketing audiences from prospecting campaigns

• Users below a required age

• Irrelevant locations

Exclusions should reflect the campaign objective. A previous customer may be excluded from an acquisition campaign but included in a separate renewal or cross-sell campaign.

Placement and Content Exclusions

Display campaigns can appear across an enormous inventory of websites, videos and apps. Placement control is therefore a continuing optimisation task.

Use exclusions for:

• Irrelevant websites

• Poor-quality mobile apps

• Unsuitable YouTube channels or videos

• Content categories inconsistent with the brand

• Placements producing accidental clicks

• Placements consuming spend without valuable conversions

• Websites associated with misinformation or inappropriate material

Google provides content suitability and placement exclusion controls, but automated classifications are not perfect. Advertisers with strict brand requirements should combine account-level safeguards with regular placement reviews.

Do not judge every placement solely by its name or click-through rate. Evaluate actual outcomes, conversion quality and whether the advert was likely to receive genuine attention.

Location Targeting Still Matters

Audience targeting does not replace location targeting.

A local service business should normally target people in or regularly present within its service area rather than everyone showing interest in the location. Otherwise, the campaign may reach travellers, researchers or people planning to visit the area.

Review:

• Targeted towns, cities, regions or radiuses

• Presence versus location-interest settings

• Location exclusions

• CRM addresses and serviceability

• Performance by actual user location

• Branch-specific landing pages and telephone numbers

A campaign can reach the correct type of person but still waste money if that person is outside the operational area.

Frequency Management

Display advertising can repeatedly reach the same person. Some repetition helps recognition, but excessive frequency creates waste and advert fatigue.

Monitor frequency alongside:

• Audience size

• Campaign duration

• Creative variety

• Click-through rate

• View-through activity

• Conversion lag

• Reach

• Cost per unique user

• Post-impression behaviour

Small remarketing audiences are especially vulnerable to overexposure. Refresh creative and vary messages according to the audience’s stage.

A pricing-page visitor may need proof, reassurance or an offer. A customer should not repeatedly see the same introductory advert designed for someone unfamiliar with the brand.

Creative Is Part of the Targeting Strategy

Accurate targeting cannot rescue an irrelevant advert.

Display creative needs to communicate quickly because users are not normally searching for the advertiser when they see it. The advert should make the following clear:

• Who the offer is for

• What problem it solves

• Why the business is credible

• What makes the offer distinctive

• What action the user should take

Responsive Display adverts combine images, logos, headlines, descriptions and other assets across different placements. Supply assets in multiple aspect ratios and review how they appear in previews.

Avoid relying on one generic message for every audience. Prospecting, remarketing, cart abandonment, customer retention and account-based campaigns should not all use identical copy.

Landing Pages Must Match the Audience

A broad awareness campaign may introduce a category or problem. A high-intent remarketing campaign should usually lead to a much more specific next step.

Match the page to the audience:

Sending every audience to the homepage weakens message continuity and makes campaign analysis more difficult.

Measure Display Advertising Carefully

Display conversions can include both click-through and view-through activity. A person may see an advert, avoid clicking it and later visit through Search or directly.

That does not mean every post-view conversion was caused by the advert.

Display measurement should consider:

• Click-through conversions

• Engaged-view conversions where relevant

• View-through conversions

• Assisted conversions

• Conversion lag

• New versus returning customers

• Qualified lead rate

• Sales opportunity rate

• Revenue and profit

• Brand-search changes

• Incrementality testing

View-through conversions are useful evidence, but they can overstate performance when audiences already have a high probability of converting. This is particularly important with remarketing, where the campaign often reaches people who were already close to purchasing.

Where budgets justify it, use controlled experiments, geographic tests, audience holdouts or platform lift studies to estimate incremental impact.

A Practical Campaign Structure

A clear structure makes Display performance easier to understand.

Campaign: Remarketing

Separate ad groups or audiences for:

• Product or service viewers

• Pricing-page visitors

• Form or basket abandoners

• Previous leads

• Existing customers

Use exclusions so users do not sit unnecessarily in conflicting stages.

Campaign: High-intent prospecting

Test separately:

• In-market audiences

• Commercial custom segments

• Lookalike segments

• Selected managed placements

• Contextual commercial content

Optimised targeting can be tested deliberately rather than allowed to blur every audience experiment.

Campaign: Broader demand generation

Use:

• Affinity audiences

• Life events

• Broader custom segments

• Topics

• YouTube and Discover

• Educational or problem-led creative

Evaluate reach, engagement, search demand and later-stage performance—not only immediate form submissions.

Common Display Targeting Mistakes

Treating Display keywords like Search keywords

Display keywords describe content or audience interests. They do not reproduce the intent of a live Google search.

Combining targeting methods without understanding the logic

Multiple content methods can broaden an ad group because placements, topics and keywords may operate as “OR” conditions.

Allowing optimised targeting to obscure the test

If Google expands beyond selected audiences, the results may not represent the original segment. Separate controlled and expanded targeting where possible.

Optimising towards weak conversions

If every unqualified lead is a primary conversion, automated bidding will favour quantity rather than commercial value.

Ignoring mobile-app placements

Some apps can generate high click volumes with poor engagement or accidental interactions. Review placement performance rather than excluding all apps without evidence.

Using one advert for every funnel stage

Cold prospects, pricing-page visitors and previous customers need different reasons to act.

Trusting platform attribution without validation

Google Ads reporting is valuable, but compare it with CRM outcomes, sales data and incremental testing.

Chasing a cheap CPA

A £20 lead that never answers the telephone is not necessarily better than a £60 lead that becomes a £5,000 customer.

Display Audience Targeting Checklist

Before launching, confirm that:

• The campaign has one clearly defined commercial objective

• Primary conversions represent genuine business value

• CRM outcomes can be imported where appropriate

• Remarketing and Customer Match data are collected lawfully

• New customers and existing customers are separated

• Geographic settings match the service area

• Audience and content targeting are structured deliberately

• Optimised targeting is either intentionally enabled or disabled

• Placement and content exclusions are configured

• Frequency and creative fatigue will be monitored

• Ads are available in suitable formats and aspect ratios

• Landing pages match the audience’s buying stage

• View-through conversions will not be treated as unquestionable proof

• Performance will be judged by qualified leads, sales and revenue

Final Thoughts

Google Display advertising is no longer simply a collection of banner placements. It is becoming part of a broader Demand Gen system combining first-party data, audience signals, content, creative assets, automated bidding and Google’s predictive models.

The strongest strategy is not to select every available audience and let the campaign run. It is to build a deliberate testing framework:

• Start with the commercial objective

• Separate warm audiences from cold prospecting

• Use CRM data to define valuable users

• Understand when targeting criteria narrow or broaden reach

• Control automated expansion according to data quality

• Match creative and landing pages to buying intent

• Measure qualified outcomes rather than raw conversion volume

Display advertising may not always record the same immediate cost per conversion as Search. It can still create substantial value by generating awareness, supporting longer decisions, re-engaging prospects and increasing future branded demand.

The deciding factor is whether that additional reach influences the right people—and whether your measurement system can demonstrate the difference.