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Safari 17 Beta: UTM tracking parameters problem
The digital landscape has recently witnessed an increasing concern over online privacy. With Safari 17 Beta, Apple continues its commitment to user privacy by introducing new...
Safari 17 Beta: UTM tracking parameters...
The digital landscape has recently witnessed an increasing concern over online privacy. With Safari 17 Beta, Apple continues its commitment to user privacy by introducing new features and improvements. As always, it comes with unclear controversy. Let’s discuss the most discussed change, “blocking for known tracking query parameters in links.”
Contents
Safari 17 Beta’s Privacy Features
The official WebKit blog post titled “News from WWDC23: WebKit Features in Safari 17 Beta” provides insights into the advancements introduced in Safari 17 Beta. However, as always, descriptions of new features are not very well explained.
Adding blocking for known tracking query parameters in links
- Is the UTM parameter a tracking parameter? Yes.
- Does UTM allow tracking of individual users or clicks? No
- Is this what Apple is aiming for with new changes? No
Ok, now here is a funny part:
- Does DCLID/GCLID/FBCLID are tracking parameters? Yes
- Does DCLID/GCLID/FBCLID allow tracking of individual users or clicks? Yes
- Is this what Apple is aiming for with new changes? Yes
Debunking the Social Media Problem
There have been claims within the digital advertising community that Safari 17 will remove UTM parameters because they are tracking parameters.
However, it is crucial to note that these claims are incorrect.
This feature does not target UTM parameters; they will continue functioning as usual. Not UTM’s, but custom advertising click parameters appended to the links are the problem. They allow to 1:1 identify user and click and cookie in the attribution data modeling world.
Unfortunately, both types of explaining parameters are called “tracking,” which is misleading.
Understanding How the Current Changes Work
Safari 17 removes specific query parameters from links like GCLID, DCLID, and FBCLID. It’s important to highlight that this removal only applies when users are in Privacy Mode. Therefore, there is no reason to panic or assume that UTM parameters commonly used for aggregating campaign traffic in Google Analytics will be removed.
UTM Parameters vs. Individual Tracking
It is worth noting that UTM parameters are not used to track individual user clicks. Instead, they serve as valuable tools for marketers to understand the effectiveness of their marketing campaigns and identify the sources that drive traffic to their websites. Blocking specific tracking query parameters in links aims to prevent personal information leakage rather than hinder legitimate marketing efforts. Facebook and Google use custom tracking parameters like DCLID/GCLID/FBCLID to track each click and user, and based on that, full attribution, data modeling, and audiences are built. And that is the main focus today by Apple.
Mozilla Firefox
Since last year Firefox also has a similar option that users need to enable manually to remove individual tracking parameters. Right now, Firefox removes all parameters from the URL if they match the list below:
- mc_eid
- oly_anon_id
- oly_enc_id
- __s
- vero_id
- _hsenc
- mkt_tok
- fbclid
Bla Bla Bla, make a test.
Example Test Link
Safari 17.0 Beta
Mozilla Firefox
Testing Log – Safari 17.0 Beta
Tested in PRIVATE MODE.
List of tracking parameters that are removed:
- gclid – Google AdWords / Google Analytics
- dclid – Google Display Network
- fbclid – Facebook Advertising
- twclkd – Twitter Advertising
- msclkid – Microsoft Advertising
- mc_eid – Mailchimp
- igshid – Instagram
List of tracking parameters that are not removed:
- UTM’s – Urchin Tracking Module
- pk_* – Piwik
- piwik_* – Piwik
- mtm_* – Matmo
- hsa_* – Hubspot
- epik – Pinterest
- ef_id – Adobe Advertising Cloud
- s_kwicid – Adobe Analytics
- dm_i – dotdigital
- _branch_match_id – Branch
- mkevt – eBay
- campid – eBuy
- si – Spotify
- _bta_tid – Bronto
- _bta_c – Bronto
Conclusions
- Don’t panic; all good; tomorrow will also be a day.
- Apple never releases key privacy features well documented, which generates a lot of confusion.
- Apple often changes or removes certain functionalities before a final version.
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