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How to Set Up Link Retargeting: A Complete Step-by-Step Guide

L
Lunyb Security Team
··10 min read

Every link you share is a marketing opportunity — but most marketers waste it. When you post a link to a third-party article, a review, or a partner page, the click sends traffic away from your ecosystem forever. Link retargeting fixes that by attaching a tracking pixel to any shortened URL, so anyone who clicks becomes part of your remarketing audience. This guide walks you through exactly how to set up link retargeting from scratch, whether you're a solo creator, an affiliate marketer, or an agency running campaigns for clients.

What Is Link Retargeting?

Link retargeting is a marketing technique that lets you show ads to people who clicked on a shortened link you shared, even if that link points to a website you don't own. When a user clicks the short link, a small piece of tracking code (called a pixel) fires in their browser and adds them to a custom audience. You can then serve targeted ads to that audience on Facebook, Instagram, LinkedIn, X, TikTok, or Google.

Traditional retargeting only works for visitors to your own site. Link retargeting expands that reach to include everyone who clicks any link you share — a game changer for content curators, publishers, and influencers who frequently share external content.

Why Link Retargeting Matters in 2026

With third-party cookie restrictions and rising ad costs, marketers need every audience-building advantage they can get. Link retargeting works because:

  • It captures intent-based audiences (people who already clicked something you recommended).
  • It monetizes traffic you'd otherwise lose to external sites.
  • Retargeted ads convert 3–10x higher than cold audiences.
  • It's fully compatible with modern short-link platforms and ad networks.

How Link Retargeting Actually Works

Before setting it up, it helps to understand the flow. Here's the typical sequence:

  1. You install a retargeting pixel (Meta Pixel, LinkedIn Insight Tag, TikTok Pixel, etc.) inside your short-link platform.
  2. You shorten a URL — for example, a link to a Forbes article, a YouTube video, or a partner's product page.
  3. You share that short link on social media, in an email, or in a bio.
  4. A user clicks the link. Their browser briefly hits your short-link domain, where the pixel fires.
  5. They are then redirected instantly to the original destination.
  6. The pixel adds them to a custom audience inside your ad platform.
  7. You launch a retargeting ad campaign aimed at that audience.

The entire pixel-fire-and-redirect process happens in under 200 milliseconds, so users notice nothing unusual.

What You Need Before You Start

Setting up link retargeting requires three components working together:

  • A short-link platform that supports retargeting pixels. Options include Lunyb, Rebrandly, Bitly, and Replug. Some platforms allow multiple pixels per link; others charge extra for the feature.
  • An advertising account on Meta, LinkedIn, TikTok, X, Google, or wherever you plan to run retargeting ads.
  • A verified pixel or tag ID from each ad platform you want to use. This is a unique string of numbers you'll paste into your short-link dashboard.

If you're evaluating platforms, our 2026 buyer's guide to URL shorteners compares retargeting features side by side.

Step 1: Choose the Right Short-Link Platform

Not every URL shortener supports retargeting pixels, and among those that do, feature limits vary widely. Here's a quick comparison of popular options:

PlatformRetargeting PixelsCustom DomainStarting Price
LunybYes, multi-platformYesFree tier available
RebrandlyYes (paid plans)Yes$13/month
BitlyLimited (enterprise)Yes$8/month
ReplugYes, focus featureYes$19/month

For most creators and small businesses, a platform like Lunyb offers retargeting features at a lower cost than legacy competitors. If you're weighing Rebrandly specifically, check our Rebrandly review for 2026.

Key Features to Look For

  • Support for at least Meta, LinkedIn, TikTok, and Google pixels.
  • The ability to attach multiple pixels to a single link.
  • Custom branded domains (short.yourbrand.com looks more trustworthy).
  • Bulk link creation and pixel assignment.
  • Click analytics broken down by geography, device, and referrer.

Step 2: Create Your Retargeting Pixels

Before you can add a pixel to a short link, you need to generate the pixel inside each ad platform. Here's how to grab the IDs you need.

Meta (Facebook & Instagram) Pixel

  1. Log in to Meta Business Manager and open Events Manager.
  2. Click Connect Data SourcesWebMeta Pixel.
  3. Name your pixel and copy the 15–16 digit Pixel ID.

LinkedIn Insight Tag

  1. In LinkedIn Campaign Manager, go to AnalyzeInsight Tag.
  2. Click Install my Insight Tag and copy the Partner ID.

TikTok Pixel

  1. Open TikTok Ads Manager → AssetsEvents.
  2. Click ManageWeb EventsSet up Web Events.
  3. Choose Pixel, name it, and copy the Pixel Code (a long alphanumeric string).

Google Ads Remarketing Tag

  1. In Google Ads, go to ToolsAudience ManagerYour data sources.
  2. Set up the Google Ads tag and copy the Conversion ID.

Step 3: Add Pixels to Your Short-Link Platform

With your pixel IDs in hand, log in to your short-link dashboard and navigate to the pixel or integration settings. The exact wording varies by tool, but the process is nearly identical everywhere:

  1. Find the section labeled Pixels, Retargeting, or Integrations.
  2. Click Add New Pixel.
  3. Choose the ad platform (Meta, LinkedIn, TikTok, etc.).
  4. Paste in the Pixel ID or Tag ID.
  5. Give the pixel a memorable nickname (for example, "Meta – Main Brand").
  6. Save.

Repeat for every ad platform you plan to use. Most tools let you store dozens of pixels, so you can create separate ones for different clients or brands.

Step 4: Shorten a Link With a Pixel Attached

Now for the fun part — creating trackable short URLs. The workflow is straightforward:

  1. Paste the destination URL into your short-link creator.
  2. Choose your branded short domain (or use the default).
  3. Customize the slug — for example, brand.link/newsletter-oct.
  4. Under Pixels or Retargeting, select which pixels to attach. You can usually pick multiple.
  5. Click Shorten or Create Link.
  6. Copy the resulting short URL and use it wherever you'd normally share the raw link.

Best Practices for Link Creation

  • Use a branded domain. Trust and click-through rates improve when users see a recognizable domain instead of a generic shortener.
  • Attach only relevant pixels. Adding every pixel to every link inflates your audiences with unqualified users.
  • Use descriptive slugs. They help you remember which link is which in analytics.
  • Tag by campaign. Many platforms let you group links by campaign or tag for easier reporting.

Step 5: Build Custom Audiences in Your Ad Platform

Once clicks start rolling in, you need to convert those pixel fires into an audience you can advertise to. In each ad platform, the process is similar.

Meta Custom Audience

  1. Open Audiences in Meta Ads Manager.
  2. Click Create AudienceCustom AudienceWebsite.
  3. Choose your Pixel, then select All website visitors or filter by URL to isolate specific short links (for example, contains "brand.link/newsletter").
  4. Set the retention window (30, 60, 90, or 180 days).
  5. Name and save the audience.

LinkedIn Matched Audience

  1. In Campaign Manager, go to PlanAudiences.
  2. Click Create audienceWebsite.
  3. Enter the short-link URL pattern and save.

TikTok Custom Audience

  1. Open Ads Manager → AssetsAudiences.
  2. Click Create AudienceCustom AudienceWebsite Traffic.
  3. Pick your pixel and define rules based on URL or event.

Audiences typically take 24–48 hours to populate to a usable size (usually 100–1,000 users minimum, depending on the platform).

Step 6: Launch a Retargeting Campaign

Once your audience has enough people, you're ready to run ads. A high-performing retargeting campaign usually follows this recipe:

  1. Pick a conversion objective — website conversions, lead generation, or catalog sales.
  2. Set the audience to the custom audience you just built.
  3. Exclude existing customers or converted users to avoid wasting spend.
  4. Create creative that references the topic of the shared link. If you shared an article about email marketing, your retargeting ad should reference email marketing.
  5. Start with a small daily budget ($5–$20/day) and scale what works.
  6. Rotate creative every 7–14 days to prevent ad fatigue.

Step 7: Measure and Optimize

Link retargeting is only useful if you track the right metrics. Focus on:

  • Clicks per short link — sourced from your shortener's dashboard.
  • Audience size growth — check weekly in each ad platform.
  • Cost per click (CPC) on retargeted ads vs. cold audiences.
  • Conversion rate from retargeted traffic.
  • Return on ad spend (ROAS) — the ultimate scoreboard.

If a specific link consistently drives high-quality clicks that convert well, double down by sharing similar content. If a link brings volume but no conversions, exclude it from your audience rules.

Common Link Retargeting Mistakes to Avoid

  • Attaching pixels to irrelevant links. If you shorten a link to a cat video and add your B2B SaaS pixel, you'll pollute your audience.
  • Skipping consent notices. In the EU, UK, and increasingly elsewhere, retargeting requires clear disclosure. Ensure your destination page or your brand policy explains tracking.
  • Ignoring pixel health. Pixels can break silently. Check Events Manager and equivalent dashboards monthly.
  • Not using branded domains. Users are more likely to click news.brand.link than a generic shortener domain.
  • Forgetting to exclude converters. Nothing burns budget faster than showing conversion ads to people who already bought.

Privacy and Compliance Considerations

Link retargeting relies on tracking, and tracking is regulated. Make sure your setup respects:

  • GDPR (EU/UK): obtain lawful basis (usually consent) before firing marketing pixels on users in the EU.
  • CCPA/CPRA (California): provide a "Do Not Sell or Share" option.
  • Platform policies: Meta, LinkedIn, and TikTok all require you to disclose retargeting in your privacy policy and honor opt-outs.

Update your privacy policy to explicitly mention short-link tracking and third-party ad pixels. Most short-link platforms provide sample language you can adapt.

Frequently Asked Questions

Do I need my own website to use link retargeting?

No. That's the biggest advantage. Because the pixel fires on the short-link redirect domain, you can retarget people who clicked links pointing to any external site — a podcast episode, a news article, a partner product page, or a YouTube video.

How many clicks do I need before I can run a retargeting campaign?

Each ad platform has a minimum audience size. Meta requires roughly 100 people, LinkedIn 300, and TikTok 1,000. In practice, aim for at least 500–1,000 clicks before launching so you have room to segment and exclude converters.

Will users notice that a link has a retargeting pixel attached?

Almost never. The redirect happens in milliseconds and looks identical to any other short URL. The only visible sign is a very brief flash of your short-link domain in the browser status bar before it lands on the destination.

Can I add multiple pixels to the same short link?

Yes, most modern short-link platforms let you attach several pixels to one URL. This is useful if you want to build audiences on Meta, LinkedIn, and TikTok simultaneously from the same shared link.

Is link retargeting expensive?

The short-link platform cost is usually modest — free to about $20/month for most creators and small businesses. The bigger cost is the ad spend itself, but because retargeted audiences convert far better than cold traffic, ROI is typically strong even at low budgets.

Wrapping Up

Link retargeting turns every share into a growth loop: you share useful content, capture the audience, and re-engage them with tailored ads. The setup takes an afternoon, but the compounding audience value pays dividends for months. Pick a capable short-link platform, install your pixels once, and start attaching them to every link you post. Within a few weeks, you'll have retargetable audiences you didn't know were possible — and a marketing engine that finally earns back the traffic you used to give away.

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