Meta Ads is the advertising platform for Facebook and Instagram (both owned by Meta). Advertisers create campaigns in Meta Ads Manager that can serve ads across Facebook Feed, Instagram Feed, Stories, Reels, Messenger, and the Meta Audience Network. Unlike Google Ads (which targets users based on search intent), Meta Ads targets based on demographics, interests, behaviours, and custom audiences — making it primarily a reach and demand generation platform rather than a demand capture platform. Meta Ads is the most widely used social advertising platform in the UK.
Meta's advertising platform is built on its unparalleled user data — it knows an enormous amount about users' demographics, interests, life events, and behaviour patterns. This data enables granular audience targeting that reaches specific customer profiles with precision. A furniture retailer can target homeowners who have recently moved; a B2B software company can target decision-makers in specific industries; a fitness brand can target people with gym membership interests.
Meta Ads campaign objectives and formats
- Awareness — maximise reach and video views for brand building; lowest cost per impression
- Traffic — drive clicks to a website or landing page for content or offer promotion
- Engagement — maximise post likes, shares, comments, or page follows
- Leads — generate contact form submissions directly within the Meta platform (Lead Ads)
- App installs — drive mobile app downloads from the Apple App Store or Google Play
- Sales/Conversions — drive specific website actions (purchases, sign-ups) with conversion tracking via Meta Pixel
- Catalogue sales — dynamic product ads showing items from a product catalogue to interested audiences
Meta's targeting system operates at three levels. Core audiences: defined by demographics (age, location, gender), interests (pages liked, content engaged with), and behaviours (purchase patterns, device usage). Custom audiences: built from data you provide — website visitors (via Meta Pixel), customer email lists, app users, or video viewers. Lookalike audiences: new users who share characteristics with your custom audiences — Meta finds users statistically similar to your best customers. Custom and Lookalike audiences typically outperform Core audiences for conversion campaigns.
The Meta Pixel is a snippet of JavaScript code placed on your website that tracks visitor actions and sends event data back to Meta. Events include: page views, add-to-cart, purchase, lead form submission, and custom events. Pixel data powers website custom audiences (retargeting), conversion tracking, and Lookalike audiences. Without the Meta Pixel correctly installed and firing conversion events, Meta Ads cannot optimise for on-site conversions, lookalike creation is impossible, and ROI measurement is inaccurate. Pixel installation and event configuration is the foundational setup step for any Meta advertising programme.