Warm-up you can verify

sending.ac compares where your warm-up pool sends to where your campaign lands. Free, on any infrastructure.

• Research that helped Instantly improve its warm-up pool in 2024

Healthy, on the wrong provider

Three weeks of warm-up, healthy on a provider your leads are not on.

The score comes from inside the pool

The pool reports its own health, so the provider mix behind the score stays out of view.

Three weeks you spend twice

If three weeks of reputation landed somewhere else, the clock starts again.