Glossary
Advertising

What is Targeting? Definition & How It Works

Quick definition

Targeting is the process of specifying which people see an ad based on demographics, interests, behaviors, or past interactions with your brand.

Advertising

Targeting, explained

Part of the SocialKit social media glossary — browse every term.

What targeting is

Ad targeting is the set of parameters that define who sees your ad. Every major social ad platform lets you filter by some combination of location, age, gender, language, interests derived from content interaction, behaviors (recent purchases, travel habits, device use), job title or industry (most granular on LinkedIn), and connection status (existing followers vs. people who don't yet follow you). The platform then serves your ad to users who match the intersection of those filters, within your budget and bid constraints.

Types of targeting and when to use each

Interest and demographic targeting (prospecting) reaches people who fit a profile but haven't encountered your brand before — useful for awareness and top-of-funnel growth. Custom audience targeting reaches people from your own data: website visitors via a pixel, email subscribers, or app users. Lookalike audiences extend reach to new users who statistically resemble a custom audience — a common way to scale what's working. Retargeting serves ads to people who have already interacted with your brand: visited a product page, added to cart, or engaged with a previous ad. Each layer deeper in the funnel typically yields higher conversion rates but reaches smaller pools.

A concrete worked example

An online course business runs two campaigns in parallel. The first targets cold audiences using interest layers around professional development and career growth on LinkedIn, alongside age and geographic filters. The second targets a custom audience of people who visited the sales page in the last 30 days but did not purchase. The cold-audience campaign converts at a fraction of a percent; retargeting converts at several times that rate from a much smaller pool. Both are necessary: cold campaigns fill the top of the funnel that retargeting depletes.

How to refine targeting over time

Start broader than you think and let performance data narrow you: audience insights reveal which age bands, locations, or placements performed best, and those findings sharpen the next campaign. Be cautious of over-targeting — stacking too many filters shrinks the audience until the platform's algorithm can't find enough users to spend your budget efficiently. Platforms often flag this as "audience too small." Balance precision with enough scale for the system to learn.

Where SocialKit fits

SocialKit's per-platform customization lets you tailor the same idea's copy and creative for each network, so when you activate paid targeting your organic-tested message is already optimized for that audience rather than starting from scratch.

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FAQ

Targeting: common questions

Quick answers to the questions people ask most about this term.

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