“Online stores using responsive design cannot be tested enough“

Interview with Michel Sperlich, Managing Director of

Photo: Michel Sperlich; copyright: beta-web/Stöter

Michel Sperlich: "Crowdtesting is considered especially meaningful."


Photo: man testing an online shop; copyright: online design Werbung & Medien GmbH

With its crowd, Testbirds currently has access to approximately 160,000 hardware and software configurations.