← Back to blog
· bah.is Team

Link Retargeting Explained: Turn Every Click Into a Customer

What if every link you shared could build a retargeting audience? Link retargeting makes it possible — here's how it works, why it matters, and what to watch out for.

You share a link. Someone clicks it. They read the article, watch the video, browse the product — and then they’re gone. In traditional marketing, that’s the end of the story unless they convert on that first visit.

Link retargeting changes the calculus. It lets you tag every person who clicks a link you share — even links to content you don’t own — and follow up with targeted ads on Facebook, Instagram, Google, or wherever they spend time online. Here’s how it works.

What Retargeting Pixels Are and How They Work

A retargeting pixel is a small piece of JavaScript code that ad platforms (Meta, Google, LinkedIn, TikTok, and others) provide. When someone visits a page that contains the pixel, the platform drops a cookie in their browser and adds them to an audience list. That audience can then be targeted with paid ads.

Normally, you can only fire a pixel on pages you control. If you share a link to a New York Times article or a YouTube video, you can’t place your pixel on those pages — you don’t have access to the code.

Link retargeting is the workaround.

Instead of embedding a pixel on the destination page, link retargeting fires the pixel during the redirect. Here’s the sequence:

  1. You create a short link and associate it with your retargeting pixel ID.
  2. Someone clicks your short link.
  3. Before they’re forwarded to the destination, a redirect page loads briefly and fires your pixel.
  4. The person is added to your retargeting audience in the ad platform.
  5. They land at the destination, none the wiser.

The whole process takes milliseconds. The visitor’s experience is a normal redirect. Your ad platform gains a qualified audience segment. You can track these clicks in your link analytics dashboard alongside all your other performance data.

The power of link retargeting comes from the signal quality. Someone who clicked a link you intentionally shared — a blog post about your industry, a case study relevant to your product, a guide that addresses your customer’s problem — is a warmer prospect than someone who just happened to visit your homepage.

You can build highly specific audiences this way:

  • Everyone who clicked your link to an article about a problem your product solves
  • People who engaged with competitor content you shared in a comparison context
  • Visitors who clicked a link in your email newsletter (in addition to your site pixel)
  • Conference attendees who scanned a QR code linked to a product page

Each of these audiences has a concrete implied intent. They don’t just know who you are — they’ve demonstrated interest in a specific topic or category. That intent signal makes retargeting campaigns to these audiences more efficient and more relevant.

Practical Retargeting Pixel Setup

If your ad platform provides a pixel ID, the setup is typically:

  1. Copy your pixel ID from your ad platform’s Audience or Events manager. For Meta, see the Meta Pixel documentation.
  2. Add it to your link shortener’s retargeting settings.
  3. Create short links as normal — the pixel fires automatically on every redirect.

You can usually create separate pixel configurations for different campaigns or audiences: one pixel for a newsletter, a different configuration for links shared in paid media, another for content shared by your sales team.

From there, you build audience segments in your ad platform the same way you would for site retargeting — with the added flexibility of building audiences from any content anywhere on the web.

Link retargeting, like all retargeting, operates in an environment of increasing privacy regulation and changing browser behavior. For a full picture of how privacy-first analytics work, read our privacy-first click tracking guide.

Cookie deprecation. Major browsers have been phasing out third-party cookies for years. Retargeting that relies on cookies will become less reliable over time. First-party data strategies — capturing emails, building logged-in user bases — are increasingly important complements to pixel-based retargeting.

GDPR and CCPA. If you’re targeting European users or California residents, you need to be aware that retargeting pixels may require user consent depending on how they’re deployed and what data is collected. The legal landscape varies by jurisdiction and use case. According to the ICO’s guidance on cookies, most retargeting cookies require explicit consent in the UK and EU.

Transparency. There’s no legal requirement to disclose that you’re firing a retargeting pixel via a short link in most jurisdictions, but it’s worth thinking about from a trust perspective. Audiences that understand they’re being marketed to — and who chose to engage with your content in the first place — tend to respond better than audiences who feel surveilled.

Server-side pixels. As browser-side pixels become less reliable, server-side pixel implementations (where the pixel fires from your server rather than the user’s browser) are gaining adoption. They’re more complex to set up but more durable.

What’s Coming to bah.is

Retargeting pixel integration is on our roadmap. We’re building support for Meta Pixel, Google Ads, and LinkedIn Insight Tag directly in the link creation flow — so you can associate pixels with individual links or with groups of links by campaign or tag.

When it ships, you’ll be able to turn every link you share into an audience-building opportunity without touching any code.

The insight at the center of link retargeting is simple: clicks are intent signals, and intent signals are valuable. Every link you share that gets clicked represents someone who found something interesting enough to act on. Link retargeting lets you do something with that signal beyond counting it.

Try bah.is →