Most people who land on your website leave without buying. They get distracted, compare options, or simply aren’t ready yet. Left alone, almost all of them never come back, and the marketing spend that brought them in is wasted. Retargeting is how you win a second chance: it shows ads to people who already visited your site, so your brand stays in front of them until they’re ready to act. This guide covers what retargeting is, how it works, the main types, what it costs, and how to launch your first campaign in Singapore.<\/p>\n\n\n\n
Retargeting is a paid advertising method that shows ads to people who have already visited your website, used your app, or engaged with your brand but didn’t convert. A tracking code notes who they are, and your ads then follow them to other sites and apps to bring them back. Because these people already know you, they tend to convert more often than cold audiences.<\/p>\n\n\n\n
In a small, high-cost market like Singapore, that warm-audience focus matters. Paid clicks here are expensive, so spending your budget on people who have already shown interest is usually more efficient than chasing strangers.<\/p>\n\n\n\n
You’ll often see retargeting<\/strong> and remarketing<\/strong> used to mean the same thing. There is a distinction, which we’ll cover below, but many platforms blur it, so don’t get too hung up on the label.<\/p>\n\n\n\n Retargeting runs on a small piece of tracking code. You place a pixel<\/strong> or tag<\/strong> on your website, and when someone visits, it drops an anonymous identifier (historically a browser cookie) that marks them as a past visitor.<\/p>\n\n\n\n After they leave, that identifier lets ad platforms recognise them on other sites, in apps, or in social feeds. Your ad appears, reminds them of what they looked at, and links them back to your site. None of this needs their name or personal details to work at a basic level. It simply flags that a device showed interest.<\/p>\n\n\n\n The mechanics are shifting, though. Browsers like Safari and Firefox already block cross-site tracking cookies, and users increasingly reject them. So retargeting is moving towards first-party data<\/strong>, meaning information you collect directly with consent, rather than third-party cookies you borrow from the wider web.<\/p>\n\n\n\n Say a shopper visits your online store from her laptop and views a pair of shoes. She likes them but leaves without buying.<\/p>\n\n\n\n A few days later, while scrolling on her phone, she sees an ad showing those exact shoes, maybe with a small discount. The ad feels relevant rather than random. She remembers your brand, taps the ad, and completes the purchase.<\/p>\n\n\n\n That round trip, from a lost visit to a recovered sale, is retargeting doing its job.<\/p>\n\n\n\n The common distinction comes down to the channel. Retargeting<\/strong> usually means paid ads shown to past website visitors across display, social, and search. Remarketing<\/strong> usually means re-engaging existing contacts by email, such as a cart-abandonment reminder.<\/p>\n\n\n\n In practice, the terms overlap. Google labels its own website-visitor ad product “remarketing”, while other platforms call the same thing retargeting. The table below sums up the general split, but treat it as a guide, not a rule.<\/p>\n\n\n\n Retargeting isn’t one single tactic. It spans several formats and channels, and most campaigns combine a few. Here are the main types you can use.<\/p>\n\n\n\n This is the most common form. A pixel on your site tracks visitors and lets you serve them ads afterwards, based on the pages they saw. It works automatically once the pixel is live, so it’s usually the first type marketers set up.<\/p>\n\n\n\n Within pixel-based retargeting, your ad creative can be static or dynamic. Static<\/strong> means the same ad for everyone in the audience. Dynamic<\/strong> means the ad populates automatically with the exact products someone viewed, so a shopper who looked at a specific bag sees that bag rather than a generic banner.<\/p>\n\n\n\n Here you upload your own contact list, such as email addresses, and the ad platform matches those people to their accounts. It’s useful when you already hold customer data and want to reach known contacts rather than anonymous visitors.<\/p>\n\n\n\n Search retargeting reaches people based on what they searched for, even if they haven’t visited your site yet. It sits slightly outside pure retargeting, but it targets intent in a similar way.<\/p>\n\n\n\n This re-engages your visitors inside social feeds like Facebook, Instagram, LinkedIn, or TikTok. The same warm audience sees your ads natively as they scroll, which often feels less intrusive than a display banner, and it sits naturally alongside your organic social media marketing.<\/p>\n\n\n\n Email retargeting triggers ads or follow-up messages off email behaviour, such as opens or clicks. It links your email activity to your paid campaigns so the two reinforce each other.<\/p>\n\n\n\n If you run video content, you can retarget people who watched it, sometimes by how much they watched. Someone who viewed most of your explainer video is a warmer prospect than someone who skipped after a second.<\/p>\n\n\n\n Each major ad platform has its own tracking tag and audience tools. The core idea is the same everywhere: install the tag, build an audience from your visitors, then target that audience. Here’s how the main platforms handle it.<\/p>\n\n\n\n Google calls this remarketing<\/strong>. You add the Google tag to your site, then build audiences in Audience Manager and show ads across the Google Display Network as people browse other sites. Google’s own guidance notes a minimum audience size of 100 active users in the last 30 days for Display campaigns, while search remarketing (RLSA) needs 1,000.<\/p>\n\n\n\n On Meta, you install the Meta Pixel<\/strong> and build website Custom Audiences from your website visitors. Because browser restrictions shrink pixel-only audiences, Meta recommends pairing the pixel with its server-side Conversions API so events still reach the platform.<\/p>\n\n\n\n For B2B, LinkedIn is often the better fit. You add the LinkedIn Insight Tag<\/strong> to your site, then create a Website Retargeting audience under Matched Audiences. LinkedIn needs at least 300 matched members before an audience can go live, so it suits businesses with steady traffic rather than a trickle.<\/p>\n\n\n\n If your audience skews younger or consumer-facing, TikTok may be worth testing. You install the TikTok Pixel<\/strong>, then create a Website Traffic Custom Audience in Ads Manager. TikTok needs a minimum of 1,000 users in a segment before you can target it.<\/p>\n\n\n\n Setting up a campaign follows the same shape on every platform. Below is the sequence, with each step broken out so you can work through it in order.<\/p>\n\n\n\n Start by placing the platform’s pixel or tag on every page of your site, usually in the site header. Nothing can be tracked until this is live, so verify it fires correctly before moving on.<\/p>\n\n\n\n Group visitors by what they did. You might build separate audiences for cart abandoners, pricing-page viewers, past purchasers, and recent visitors. Tighter segments let you match the ad to the intent, which usually lifts results.<\/p>\n\n\n\n Choose what you want the campaign to achieve, such as sales or leads, and set a budget that reflects your audience size. Small warm audiences don’t need large budgets to stay visible.<\/p>\n\n\n\n Create the ads themselves. Dynamic creative that shows the exact products someone viewed tends to work well for ecommerce, while a clear static offer can suit simpler campaigns. Strong ad copy matters as much as the visuals.<\/p>\n\n\n\n Cap how often each person sees your ad so you don’t wear out your welcome. Just as important, exclude people who already converted, sometimes called a burn window, so you stop paying to advertise to customers who have already bought.<\/p>\n\n\n\n Once live, watch how the campaign performs. Track both click-through and view-through conversions, keep an eye on return on ad spend, test different creative, and refresh your ads before they go stale.<\/p>\n\n\n\n There’s no single price for retargeting. Cost depends on your platform, audience, and how competitive your market is. Singapore tends to sit at the higher end, with clicks in competitive verticals running several dollars each, so efficient targeting counts. Most campaigns use one of three pricing models.<\/p>\n\n\n\n CPM charges per 1,000 ad impressions. It suits awareness-led campaigns, but you pay whether or not anyone clicks, so an ad below the fold can cost you for a view nobody really saw.<\/p>\n\n\n\n CPC charges only when someone clicks. It fits performance campaigns where you care about measurable actions like purchases or sign-ups, since you pay for engagement rather than exposure.<\/p>\n\n\n\n CPA charges based on a defined action, such as a purchase or sign-up. It ties your spend most closely to results, though platforms often need enough conversion data before they’ll offer it.<\/p>\n\n\n\n Retargeting earns its place because it focuses budget on people who already know you. That warm-audience focus drives a few clear benefits.<\/p>\n\n\n\n People who have already browsed your products are closer to buying than first-time visitors. A well-timed reminder often gives them the nudge they need, so retargeted audiences tend to convert at higher rates.<\/p>\n\n\n\n Most people don’t buy on the first visit. Seeing your ads again as they browse elsewhere keeps your brand fresh in their mind, so you’re the name they remember when they’re ready to decide.<\/p>\n\n\n\n Reaching a warm audience usually costs less than winning brand-new customers from scratch. Combined with higher conversion rates, that can make retargeting one of the more cost-efficient tactics in your mix.<\/p>\n\n\n\n Retargeting lets you tailor ads to what each person actually did, and follow them from phone to laptop to tablet. That continuity makes your marketing feel more relevant and less like a generic broadcast.<\/p>\n\n\n\n Retargeting works best when you already have traffic to re-engage, which is why it pairs so well with the organic visitors your SEO services<\/a> bring in. These are the situations where it tends to pay off most.<\/p>\n\n\n\n Shoppers who added items and then left are among your warmest prospects. Ads showing the exact products they left behind, sometimes with a small incentive, can bring them back to finish checkout. This pairs well with your ecommerce SEO<\/a> work, which drives the traffic in the first place.<\/p>\n\n\n\n Your top sellers are popular for a reason. Putting them in front of visitors who browsed but didn’t buy gives hesitant shoppers a form of social proof, showing them what others already choose.<\/p>\n\n\n\n Existing visitors already trust your brand, which makes them strong candidates for new launches. Retargeting lets you show fresh arrivals to people who are most likely to care.<\/p>\n\n\n\n Rather than let slow stock sit, you can retarget people who viewed similar items and give those products another push. It’s cheaper than broad advertising and more focused than hoping new visitors stumble across them.<\/p>\n\n\n\n B2B buyers rarely convert on one visit. Retargeting keeps your brand in front of them through a longer decision cycle, which fits neatly alongside broader lead generation work.<\/p>\n\n\n\n Retargeting is easy to start and easy to get wrong. These are the mistakes that most often drag results down.<\/p>\n\n\n\n Without a cap, the same person sees your ad far too often and starts to tune it out or resent it. Set a sensible limit so you stay visible without becoming annoying.<\/p>\n\n\n\n If you don’t exclude buyers, you keep paying to advertise to people who have already purchased. Always build an exclusion list so your budget goes to prospects, not existing customers.<\/p>\n\n\n\n One giant “all visitors” audience makes your ads generic, while slicing segments too thin leaves them too small to run. Aim for groups that are specific enough to be relevant but large enough to deliver.<\/p>\n\n\n\n Warm audiences have already seen your first ad, so running the same creative for months leads to fatigue. Rotate your offers and messaging to keep the campaign fresh.<\/p>\n\n\n\nHow retargeting works<\/h2>\n\n\n\n
A retargeting example, step by step<\/h3>\n\n\n\n
Retargeting vs remarketing: what’s the difference?<\/h2>\n\n\n\n
<\/td> Retargeting<\/td> Remarketing<\/td><\/tr> Main channel<\/td> Paid ads (display, social, search)<\/td> Email<\/td><\/tr> Audience<\/td> Past website or app visitors<\/td> Existing contacts and customers<\/td><\/tr> Trigger<\/td> A pixel or tag on your site<\/td> Someone already on your list<\/td><\/tr> Typical use<\/td> Bring back visitors who didn’t convert<\/td> Re-engage or upsell known contacts<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n Types of retargeting<\/h2>\n\n\n\n
Pixel-based (site) retargeting<\/h3>\n\n\n\n
Static vs dynamic creative<\/em><\/h4>\n\n\n\n
List-based retargeting<\/h3>\n\n\n\n
Search retargeting<\/h3>\n\n\n\n
Social retargeting<\/h3>\n\n\n\n
Email retargeting<\/h3>\n\n\n\n
Video and YouTube retargeting<\/h3>\n\n\n\n
Platform-by-platform: where to run retargeting<\/h2>\n\n\n\n
Google Ads (display and search remarketing)<\/h3>\n\n\n\n
Meta (Facebook and Instagram)<\/h3>\n\n\n\n
LinkedIn (Matched Audiences)<\/em><\/h4>\n\n\n\n
TikTok<\/h3>\n\n\n\n
How to set up a retargeting campaign (step by step)<\/h2>\n\n\n\n
Install your tracking pixel or tag<\/h3>\n\n\n\n
Define and segment your audiences<\/h3>\n\n\n\n
Set the campaign goal and budget<\/h3>\n\n\n\n
Build the ad creative (static and dynamic)<\/h3>\n\n\n\n
Set frequency caps and a burn window<\/h3>\n\n\n\n
Launch, measure and optimise<\/h3>\n\n\n\n
How much does retargeting cost?<\/h2>\n\n\n\n
CPM (cost per mille)<\/h3>\n\n\n\n
CPC (cost per click)<\/h3>\n\n\n\n
CPA (cost per action)<\/h3>\n\n\n\n
Benefits of retargeting<\/h2>\n\n\n\n
Higher conversion rates<\/h3>\n\n\n\n
Stronger brand recall<\/h3>\n\n\n\n
Better ROI than cold prospecting<\/h3>\n\n\n\n
Personalised, cross-device journeys<\/h3>\n\n\n\n
When should you use retargeting?<\/h2>\n\n\n\n
Recovering abandoned carts<\/h3>\n\n\n\n
Promoting bestsellers<\/h3>\n\n\n\n
Launching new products or collections<\/h3>\n\n\n\n
Moving slow inventory<\/h3>\n\n\n\n
Nurturing B2B leads<\/h3>\n\n\n\n
Common retargeting mistakes to avoid<\/h2>\n\n\n\n
No frequency cap<\/h3>\n\n\n\n
Not excluding people who already converted<\/h3>\n\n\n\n
Segments too broad or too narrow<\/h3>\n\n\n\n
Stale or generic creative<\/h3>\n\n\n\n
Ignoring landing-page relevance<\/h3>\n\n\n\n