Definition
What is a conversion?
A conversion is the action that counts for the business and that triggers measurement: a form received, a call that leads somewhere, an order placed with its amount. It differs from one business to the next. A single primary definition per business goal keeps the figures readable. It is counted on receipt, not on submission: a form that fails silently must never be counted.
The three most common forms
- The form received. In lead generation, B2B and B2C alike, the request counts when it actually reaches the inbox and the CRM.
- The call that leads somewhere. A call counts above a minimum duration, so that a wrong number does not pass for a request.
- The sale with its amount. In online commerce, the conversion carries the real revenue of the order rather than a fixed value: an $80 cart and a $900 cart are not weighed the same way.
Primary and secondary conversions
An advertising platform separates primary actions, which train automated bidding, from secondary actions, which stay visible in reports without influencing bids. A download, a visit to the contact page or a click on an email address can all be measured, but they are declared as secondary.
The reason is mechanical: the bidding algorithm looks for people who resemble those who converted. A download declared as primary can therefore steer the budget toward people who download documents rather than people who ask for a price.
How to recognize a real conversion
An action deserves to be called a conversion when your sales team can name closed sales that came from it. A primary action that nobody can tie to a sale is a target you are funding for no reason. The check takes a few minutes: the list of primary actions on one side, the list of what your salespeople consider a real opportunity on the other.
A manufacturer receives requests through a quote form and by phone. It declares two primary conversions: the quote request received and the call that exceeds a minimum duration set with its sales team. The download of its spec sheet stays measured as secondary. It shows up in reports without guiding bids (fictional example).
We set the definition of a conversion before touching a campaign, because everything else depends on it: the reports, the cost per lead and automated bidding. An ad account optimized on a wrong measurement improves on paper rather than in your sales.
We then follow the conversion beyond the form. Campaign parameters travel into the CRM, then closed sales flow back to the platforms. A platform knows a form was filled in; only your CRM knows whether the person bought.
Not to be confused with
- Conversion rate
- The conversion rate is a proportion: the number of conversions divided by the number of visits. The conversion is the action counted, and the rate depends entirely on it.
- Qualified lead
- A form received is a conversion. It becomes a qualified lead only once your team has verified the need, the budget and the ability to decide.
- GA4 event
- Google Analytics 4 records all kinds of events (scrolls, clicks, page views). A conversion is the event you choose because it counts for your sales.
Related concepts
- Conversion rate
- Enhanced conversion
- Conversion rate optimization
- Qualified lead
- CPA
- ROAS
- Cost per signed quote
Further reading
- Conversion tracking: the three gaps that skew everything else
- Counting a download as a conversion steers your bidding at nothing
- Your conversions are counted twice, and it makes you spend more
- Your best enquiries come by phone and are not measured
- Sold by quote: measure cost per sale, not per form
Related services
Frequently asked questions
Is a brochure download a conversion?
It is measured, but it is not declared as a primary conversion. Declared as primary, it can push bids toward people who download documents rather than people who buy.
Should phone calls be counted?
Yes: in several industries, the best request arrives by phone. The call counts above a minimum duration, so that a wrong number does not pass for a request.
