HTTPS stands for Hypertext Transfer Protocol Secure. It is the protocol where encrypted HTTP data is transferred over a secure connection. By using secure connection such as Transport Layer Security or Secure Sockets Layer, the privacy and integrity of data are maintained and authentication of websites is also validated.
HTTPS means "Hyper Text Transfer Protocol". HTTPS means that the website is secured and there will be no hidden transfer of your personal information. To get HTTPS, the website owner should install an SSL certificate which he should buy online. 128-bit SSL is popularly used for most of the websites. HTTPS is one of the factors for rankings in google search engine.
HTTPS is an extension of the Hypertext Transfer Protocol (HTTP) for secure communication over a computer network, and is widely used on the Internet. In HTTPS, the communication protocol is encrypted using Transport Layer Security.