2 builders who never spoke to each other

Use UTMs, not the platform's click IDs

Ad platform click identifiers are the parameters most likely to be stripped in transit: a phone operating system now deletes the major ad IDs from links opened in mail, messages and private browsing while leaving standard campaign parameters untouched. One professional network rewrites any long link to its own shortener and drops the parameters entirely, so route the ad through a third party short link that redirects to your fully tagged address. Attribution that depends on somebody else's identifier is attribution you will lose.

The method

1. 01

   Attribute your campaigns with UTM parameters rather than ad platform click IDs, because Apple strips the ad IDs and leaves UTMs alone.

2. 02

   Because LinkedIn rewrites long links to its own shortener and strips query parameters, put a third-party short link in the ad that redirects to your fully tagged URL, or you lose all campaign attribution.

What it returned

• 17

  iOS 17 Link Tracking Protection deletes gclid, dclid, fbclid, msclkid, mc_eid and igshid from links opened in Mail, Messages and private Safari, while UTMs and custom parameters pass through untouched; Apple works from the parameter list at PrivacyTests.org.

• 23

  LinkedIn shortens links longer than 23 characters to lnked.in and drops UTM and other parameters; he routes around it with bit.ly.

Sources

• How to Enable and Use Link Tracking Protection in iOS 17 - Fathom AnalyticsPaul Jarvis · usefathom.com · Which tracking parameters are safe from Apple LTP? · 2023-11-08
• How to Use LinkedIn Sponsored Content to Get Sales LeadsGreg Kogan · gkogan.co · Set Up and Run the LinkedIn Sponsored Content Campaign · 2016-06-10