It&#x27;s very clearly stated on the project&#x27;s website:<p>&quot;sslip.io&#x27;s primary purpose is to assist developers who need to test against valid SSL certs, not to safeguard content.&quot;<p>&quot;Although there&#x27;s no technical reason why you couldn&#x27;t use the sslip.io SSL key and certificate for your commerce web, we strongly recommend against it: the key is publicly available; your traffic isn&#x27;t secure.&quot;