Managed with Vacly badge
The link goes to the homepage with the ref=badge parameter. It does not change the price or create an account.
<a href="https://www.vacly.es/?ref=badge"><img src="https://www.vacly.es/insignia/vacly-claro.svg" alt="Gestionado con Vacly" width="180" height="48"></a>
<a href="https://www.vacly.es/?ref=badge"><img src="https://www.vacly.es/insignia/vacly-oscuro.svg" alt="Gestionado con Vacly" width="180" height="48"></a>