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

L
Lunyb Security Team
··9 min read

Link retargeting is one of the most underrated growth tactics in digital marketing. Instead of only retargeting people who visit your own website, link retargeting lets you build audiences from anyone who clicks a shortened link you share — even if that link points to a third-party site. Done right, it turns every article, tweet, and referral you share into a top-of-funnel audience-building machine.

This guide walks you through exactly how to set up link retargeting from scratch, including pixel configuration, platform choices, campaign structure, and common mistakes to avoid.

What Is Link Retargeting?

Link retargeting is a marketing technique that adds a retargeting pixel to a shortened URL, so anyone who clicks that link is added to a custom audience you can later advertise to. Unlike traditional retargeting, which only captures visitors to your own domain, link retargeting captures clicks on any destination — competitor blogs, news coverage, partner content, or curated resources.

For example, if you share an industry news article on LinkedIn using a retargeted short link, every person who clicks that link becomes part of a custom audience. You can then run ads to them on Facebook, Instagram, Google, or LinkedIn — even though they never visited your website.

Why Link Retargeting Works

  • Bigger audiences: Turn every shared link into an audience source.
  • Warmer leads: Clickers are already interested in your topic.
  • Lower CPMs: Custom audiences typically outperform cold interest targeting.
  • Content leverage: Curated content and social shares now build ad audiences.

How Link Retargeting Works Behind the Scenes

When someone clicks a shortened link with a retargeting pixel attached, the URL shortener briefly loads a redirect page (usually in milliseconds). During that redirect, a tracking pixel from your ad platform fires and drops a cookie in the user's browser. That cookie tags them as part of your custom audience.

The process looks like this:

  1. User clicks your shortened link (e.g., yourbrand.link/article).
  2. The shortener loads a redirect page and fires your retargeting pixel.
  3. The pixel drops a cookie identifying the user.
  4. The user is instantly redirected to the destination URL.
  5. Your ad platform can now show ads to this user across its network.

What You Need Before Setting Up Link Retargeting

Before you configure your first retargeted link, gather these essentials:

1. A Link Shortener That Supports Retargeting Pixels

Not every shortener supports pixel injection. You need one that lets you attach tracking codes to your links. Popular options include Lunyb, Rebrandly, Bitly (Enterprise), and RetargetKit. If you're comparing options, our 2026 buyer's guide to the best URL shorteners breaks down which platforms support this feature and at what price point.

2. Ad Platform Accounts

You'll need active advertising accounts on at least one of the platforms where you want to retarget users:

  • Meta (Facebook + Instagram) Ads Manager
  • Google Ads with Google Tag Manager or a Google Ads pixel
  • LinkedIn Campaign Manager (Insight Tag)
  • X (Twitter) Ads
  • TikTok Ads Manager

3. Verified Pixel IDs

Every ad platform assigns a unique pixel or tag ID. You'll paste these IDs into your shortener, so make sure they're active and firing correctly on your main website first.

4. A Custom Branded Domain (Recommended)

Branded short links (like go.yourbrand.com/promo) get 30–40% more clicks than generic ones. They also increase trust, which is essential if you want people to click links you'll retarget them from.

Step-by-Step: How to Set Up Link Retargeting

Step 1: Choose Your Link Shortener

Pick a shortener that supports retargeting pixels. Consider factors like pricing, click limits, custom domains, analytics depth, and how many pixels you can attach per link.

Step 2: Connect Your Custom Domain

Log into your shortener and add your branded domain (e.g., links.yourbrand.com). You'll typically need to update DNS records — usually adding a CNAME pointing to the shortener's server. Wait for DNS propagation (usually 15 minutes to a few hours) before continuing.

Step 3: Retrieve Your Retargeting Pixel IDs

Grab your pixel ID from each ad platform you want to use:

  • Meta Pixel ID: Ads Manager → Events Manager → Data Sources → Copy your 15–16 digit pixel ID.
  • Google Ads Tag: Tools → Audience Manager → Your Data Sources → Google Ads Tag → copy the conversion ID.
  • LinkedIn Insight Tag: Campaign Manager → Analyze → Insight Tag → copy the partner ID.
  • TikTok Pixel ID: Ads Manager → Assets → Events → copy the pixel code.

Step 4: Add Pixels to Your Shortener

In your shortener's dashboard, find the "Pixels" or "Retargeting" section. Add each pixel ID with a clear label (e.g., "Meta - Main Brand"). Most tools let you save multiple pixels and reuse them across links.

Step 5: Create a Retargeted Short Link

When creating a new short link, select which pixels to attach. You can typically pick multiple platforms per link — for example, fire both a Meta and a LinkedIn pixel from the same URL. Set a memorable slug (e.g., links.yourbrand.com/industry-report).

Step 6: Test the Pixel Fires Correctly

Use browser tools to confirm the pixel is firing:

  • Meta Pixel Helper (Chrome extension) for Facebook/Instagram.
  • Google Tag Assistant for Google Ads.
  • LinkedIn Insight Tag browser tools.

Click your short link in an incognito window with the debugger installed. You should see the pixel fire during the redirect step.

Step 7: Build a Custom Audience in Your Ad Platform

Once the pixel is firing, head back to your ad platform and create a custom audience:

  1. Go to Audiences → Create Custom Audience.
  2. Choose "Website Traffic" (Meta) or equivalent.
  3. Select your pixel and set a lookback window (30, 60, 90, or 180 days).
  4. Optionally filter by URL contains your short-link slug (e.g., industry-report) to segment further.
  5. Name the audience clearly (e.g., "Clickers - Industry Report - 90d").

Step 8: Launch Your Retargeting Campaign

Once your audience reaches the minimum size (usually 100–1,000 users depending on the platform), you can launch ads targeting them. Start with warm-audience creative — a case study, testimonial, or a soft offer — since these people already know your topic but may not know your brand.

Comparison: Popular Link Retargeting Tools

ToolRetargeting SupportCustom DomainStarting PriceBest For
LunybYes (multi-pixel)YesFree tier availableMarketers wanting privacy-first tracking
RebrandlyYes (paid plans)Yes$13/monthBranded links at scale
BitlyEnterprise onlyYes$35/month (Premium)Large brands
RetargetKitYes (core feature)Yes$29/monthAgencies focused on retargeting

For a deeper dive into pricing and features, check our Rebrandly 2026 review and honest review of Lunyb.

Best Practices for Link Retargeting Campaigns

Segment Audiences by Content Type

Don't lump every clicker into one audience. Create separate audiences for different topics or funnel stages — for example, blog readers, pricing-page clickers, and case-study viewers each get different ad creative.

Use Descriptive Slugs

Slugs like /2026-report or /pricing-guide make it easy to segment audiences by URL contains rules. Cryptic slugs like /xz9k2 waste segmentation potential.

Respect User Privacy and Consent

Privacy regulations like GDPR, CCPA, and evolving cookie laws affect link retargeting. Make sure:

  • Your shortener supports consent-based pixel firing where required.
  • Your privacy policy discloses link tracking.
  • You honor Do Not Track and cookie consent signals.

Combine Link Retargeting With Content Marketing

The strategy shines when paired with curated content. Share industry articles, podcast episodes, YouTube videos, and news stories using your retargeted links. Your audience compounds every time you share something valuable.

Set Realistic Audience Sizes

You typically need 500–1,000 clicks minimum before running effective retargeting ads. If your audience is smaller, focus on growing clicks before launching campaigns.

Common Mistakes to Avoid

Attaching Too Many Pixels at Once

Firing 5+ pixels on a single link can slow redirects and increase bounce. Stick to 2–3 pixels per link — the ones you actually plan to advertise on.

Skipping the Pixel Test

Broken pixels silently kill campaigns. Always test in an incognito window with a pixel debugger before sharing links publicly.

Ignoring iOS and Browser Privacy Changes

Safari's Intelligent Tracking Prevention, Firefox's Enhanced Tracking Protection, and iOS ATT all limit cookie-based retargeting. Diversify your audience-building strategy — don't rely on link retargeting alone.

Retargeting Everyone the Same Way

A person who clicked one industry article isn't ready for a hard sales pitch. Match your ad creative to the awareness level of the clicker.

Forgetting to Refresh Creative

Retargeted audiences see your ads repeatedly. Rotate creative every 2–3 weeks to avoid ad fatigue.

Measuring Success

Track these KPIs to evaluate your link retargeting performance:

  1. Click-through rate (CTR) on your shortened links.
  2. Audience growth rate — how fast your custom audiences expand.
  3. Cost per audience member — total content promotion spend divided by unique clickers.
  4. Retargeting ad CTR and CPA versus cold traffic campaigns.
  5. Assisted conversions from retargeted audiences in your attribution reports.

Frequently Asked Questions

Do I need my own website to use link retargeting?

No. That's the biggest advantage — you can retarget people who clicked links pointing to any destination, including third-party articles, YouTube videos, or partner sites. You only need an ad platform account and a shortener that supports pixels.

How many clicks do I need before running retargeting ads?

Most ad platforms require 100–1,000 users in an audience before ads can serve. Meta typically activates audiences at 100 users, but campaigns perform better at 1,000+. Focus on building the audience first before spending on ads.

Is link retargeting legal under GDPR and CCPA?

Yes, when done properly. You must disclose tracking in your privacy policy, obtain consent where required, and honor opt-out signals. Choose a shortener that supports consent-based pixel firing if you serve EU or California audiences.

Can I use multiple retargeting pixels on one short link?

Yes. Most shorteners let you attach 2–5 pixels per link, so a single click can populate audiences on Meta, Google, LinkedIn, and TikTok simultaneously. Just be careful not to overload the redirect with too many scripts.

What's the difference between link retargeting and pixel retargeting?

Traditional pixel retargeting only captures visitors to your own website. Link retargeting captures anyone who clicks a shortened link you share — no matter where the link points. Link retargeting dramatically expands your top-of-funnel audience-building capacity.

Final Thoughts

Link retargeting turns every link you share into a growth asset. With a properly configured shortener, verified pixels, and thoughtful audience segmentation, you can build sizable custom audiences without needing massive website traffic. Start small — pick one platform, one pixel, and one content series — then scale as you validate what works.

Once your foundation is solid, layer in branded domains, multi-pixel setups, and creative segmentation. Within a few months, you'll have warm audiences ready to convert whenever you launch a campaign.

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