Analytics and tags
UTM parameters lost after a redirect? How to find the hop that drops them
A 301 does not delete UTM parameters by itself. A rule that rebuilds the address without the query string does. How to find that hop, and how to fix it.
Articles on analytics and tags
GA4, Google Tag Manager, ad pixels and conversions: how events get lost on the way to a report, and how to check that they arrive.
Check your own site
The free tools these articles lean on. Each looks at one page and says what it found and what it could not see.
- GA4 checkerWhich GA4 streams a page uses and what it sends
- Google Tag Manager checkerGTM containers on a page and what the published one sets up
- Consent MatrixCookie consent checker: what tags do before and after consent
- Conversion tracking checkerWhich tracking one page carries: Google Ads, GA4, Meta