Definition: The first comment is a comment the author posts on their own post straight after publishing, usually to hold a link, extra hashtags or a call to action.
Updated October 10, 2026
Many marketers believe LinkedIn and Facebook show posts with outside links to fewer people, so they put the link in the first comment instead. It also keeps captions clean when you want hashtags or credits out of the main text.
Doing it by hand means being online at publish time. A scheduler that supports first comments posts it automatically.
A LinkedIn post ends with “Full recipe in the first comment”, and the first comment holds the link to the blog post with UTM tags.
UTM parameters are short tags added to the end of a URL (utm_source, utm_medium, utm_campaign and more) that tell analytics tools like Google Analytics where a visit came from.
Click-through rate is the percentage of people who clicked a link in a post out of everyone who saw it.
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