Blogs

Crack the Code on UTM Parameters for Ad Tracking

A Guide to Gclid, Fbclid, and Redirects on the Northbeam Platform

TL;DR

  • Gclid and Fbclid are unique UTM identifiers used by Google and Meta to track ad clicks, helping you understand campaign performance
  • Redirects and dropped UTMs can lead to incorrect attribution, making paid traffic appear organic or direct
  • Some common causes of UTM loss include regional redirects, URL shortening, and HTTP to HTTPS transitions
  • To minimize issues, ensure consistent UTMs, audit your tracking pixels, reduce redirects, and test your ad links regularly
  • Clean attribution leads to better marketing decisions, optimized budgets, and clearer insights into ad effectiveness

As a marketer, understanding where your traffic comes from and how your ads perform is vital. But there’s a lot happening behind the scenes that can easily trip up even the most seasoned marketers. 

Ever wondered what “gclid” and “fbclid” mean when they show up in your URLs? 

These parameters are crucial in tracking ad performance and determining the success of your campaigns. Let’s break down what they are, what they do, why they matter, and how to prevent them from messing up your data. 

What are gclid and fbclid? 

Let’s start with the basics: “gclid” standards for Google Click Identifier. This UTM parameter is Google’s way of tracking users who click on your ads. A UTM is a snippet of text added to the end of a URL to help track the performance of a campaign. When someone clicks on an ad, this unique identifier is passed along so Google can associate a click with the given campaign, ad group, and/or keyword that brought in the user. 

Similarly, “fbclid” is Meta’s Click Identifier. It is used to track user behavior post-click when someone engages with a Meta ad, and to tie that behavior to a particular ad in turn. 

These two parameters — gclid and fbclid — tell you where your users are coming from and provide insights into their journey from ad to landing page, ultimately helping you understand which campaigns are driving the best results. 

The problem with redirects and dropped UTMs

Unfortunately, maintaining these identifiers isn’t always straightforward. If a user is redirected on their way to your chosen landing page, a unique gclid or fbclid parameter could be dropped from their UTM. Basically, redirects can cause certain UTM parameters to drop, messing with your attribution. Stripped-down UTMs can make traffic appear organic or direct when it isn’t. 

Here are some reasons your ad or campaign might redirect and lose its unique UTM parameter:

  • Regional domain redirects - if a user clicks on an ad and gets redirected to a different, regional version of your website, they may lose their UTM parameter
  • URL shortening services - if you’re using a link shortening service that doesn’t maintain your UTM integrity, your tracking parameters could get lost in the shuffle
  • HTTP to HTTPS transitions - if you’re moving users from an HTTP version of your site to a secure HTTPs version, you may run into issues retaining your UTM parameters
  • Site-specific parameters - some sites like Shopify sometimes append their own UTM parameters to a given URL, which may inadvertently cause the loss of your unique gclid of fbclid parameters

These issues are common, but they can have a significant impact on your understanding of campaign success and how to ultimately allocate your budget. 

Picture this: you’re a U.S-based brand and you’ve just launched an expensive, international Google Ad campaign to drive purchases on your website. Visitors from the U.K. get redirected upon click to your U.K.-specific site, losing their unique gclid parameters. Now, these visitors show up as plain old gclid — “Google Organic” — instead of as paid traffic, making it seem like your campaign isn’t driving any results in the region despite the conversions you’re actually achieving. 

How to minimize gclid and fbclid issues

The good news is that there are several strategies you can use to minimize UTM parameter issues and retain accurate data:

  1. Check your UTMs regularly. Consistent UTM parameters are essential for accurate attribution. Ensure that each link includes complete, correctly configured UTMs. 
  2. Minimize redirects. Ideally, your ad should point directly to a final destination page. When redirects are unavoidable, work with your web development team to implement any necessary UTM retention scripts or configurations. 
  3. Test your ad links regularly. Click through your ad URLs and monitor the resulting behavior. You can also use a URL debugging tool to verify that your gclid and fbclid parameters are being passed on correctly — especially after changes or updates to your site. 

It’s worth investing in your data. The road to perfect attribution is bumpy, but by paying attention to common parameter pitfalls, you can best optimize your campaigns for success. With clean data about your ad performance, you can allocate budget more effectively, clearly understand what is driving conversions, and set more accurate goals for your marketing efforts. 

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