Why the two numbers never match
A publisher counts clicks at the moment someone activates the link. Your analytics counts sessions once a page has loaded and a script has executed. Everything that happens in between is attrition: people who change their mind mid-load, slow mobile connections, bounced-back taps, blockers that stop the analytics script, and privacy settings that strip the referrer.
A 30–60% gap between publisher clicks and analytics sessions is unremarkable. If a publisher's number is ten times yours, that is worth asking about. If it is twice yours, that is just the internet.
How to measure it properly
Three things, in order of how much they help.
- Tag the destination URL you give the directory with campaign parameters, so sessions land in a bucket you can read rather than in direct traffic.
- Judge the placement on an action, not a visit. Sign-ups, trials or enquiries from that campaign tell you something; sessions mostly tell you the link works.
- Compare against the same window before the placement started. Directory traffic is small and seasonal noise will otherwise read as a result.
What a realistic number looks like
Small, at first, almost everywhere. A new directory sends a trickle; an established one in your exact niche sends a stream. Anyone quoting you thousands of clicks for a slot on a page you have never heard of is selling you a number rather than an audience.
This is the honest reason this directory publishes raw click counts per listing and labels an empty one "no clicks recorded yet" rather than showing a zero that looks like a measurement. A number you can check beats a promise you cannot.
When to stop
Decide the threshold before you buy, not after. "I will renew if this produces N qualified enquiries in 30 days" is a decision you can actually make. "Let's see how it goes" turns into three renewals and no information.