Use it for

  • Decide whether a landing-page or offer test has enough traffic before committing budget.

Before you open it

Public resource; no sign-in needed to read.

  • Baseline conversion rate and a meaningful minimum effect.
  • Browser; two-variant conversion-rate experiments.
GIVE CREDIT WHERE IT BELONGS

The people behind the resource

Resource notes and library artwork curated by Paid Media Collective. The original work belongs to the contributors credited above. Inclusion does not imply a partnership or a member submission.

No open reuse licence identified; link to the original resource.

Source review and practical limitations

Source reviewed · 6 September 2026. We reviewed the source to the level stated here; tools, courses and account workflows have not been tested end to end.

  • Calculations were not independently tested.
  • Requires an appropriate experiment design; the result is not a platform ad-delivery stopping rule.