SafeShare Help Center
What is mc_cid?
An identifier that can attribute newsletter clicks.
The short answer
An identifier that can attribute newsletter clicks.
It can appear in Mailchimp- und Newsletter-Links. A name alone does not establish whether a value is necessary for the destination.
?mc_cid=?
How it differs
Measurement context
Campaign values can describe a source, a campaign or a link variant.
Functional context
Other parameters can control search, language, filters or access.
Check, decide, share
Check whether it only describes measurement or is needed for the destination.
Important: Do not delete everything after the question mark without checking.
Frequently asked questions
Can I remove it before sharing?
Check whether it only describes measurement or is needed for the destination.
Is this the same as every UTM value?
No. Individual parameters can have different roles; the context matters.
Are links uploaded?
No. SafeShare checks and cleans links locally in the browser.