What is HTTP? – Definition
HTTP and SEO
Currently, it is recommended to introduce HTTPS (HyperText Transfer Protocol Secure) instead of HTTP as it increases web security. Sites with HTTP protocol are considered to be potentially insecure, which reduces user trust in them. Moreover, the implementation of HTTPS is one of the Google ranking factors.
Wydaje mi się, że tutaj w wersji polskiej mamy błąd w grafice 🙁 w adresie nie powinno być https.