SQL is sales qualified lead, a lead that sales has accepted as a legitimate potential opportunity. In conversion rate optimization and lead generation, this term gives marketers, designers, developers, and business owners a precise way to talk about work that affects visibility, user experience, measurement, and revenue.
In practical cro and lead generation work, the important question is not just what SQL means, but how it should influence decisions. It matters because more traffic is not always the answer. CRO and lead generation terms help teams improve the path from visitor to qualified opportunity, often producing more revenue from the same audience.
A strong approach should connect SQL to measurable outcomes such as qualified traffic, calls, form submissions, booked appointments, ecommerce revenue, or lower acquisition costs.
Example
Example: A lead becomes an SQL when sales confirms budget, need, authority, and timing are strong enough to create an opportunity.