Lead magnet

A lead magnet is something useful you give away in exchange for an email address. Its whole job is to convert a stranger who found you once into someone you can reach again — which matters because attention on any platform is rented and an email list is the only audience you actually hold.

The quality that decides whether one works is specificity, not size. A forty-page guide to marketing signals effort and gets ignored; a one-page pricing calculator for freelance designers gets used the day it is downloaded. The test is whether the thing solves a complete problem in under fifteen minutes. Anything that requires a project to benefit from will be saved, not read, and the person who saved it will not remember you when the follow-up arrives.

The second thing that decides it is proximity to what you sell. A well-made resource on an unrelated topic will collect addresses and produce nothing, because the people it attracts were never going to buy. If the free thing is the first step of the paid thing, the sequence afterwards writes itself; if it is a detour, no amount of email will bring it back on course.

A concrete case: a designer offering "10 ways to improve your website" gets a broad, unresponsive list. The same designer offering a fill-in scope template that ends client revision spirals attracts precisely the people who need a designer with a process — and can point at the paid service in the same breath.