What is different between http&https

Answer 1

Https (http secure) is http encrypted by TLS or SSL. It is used to authentify the visited website, and protect the privacy and integrity of the exchanged data (dixit Wikipedia).

Thanks to Let's Encrypt, you can get free SSL/TLS certificates nowadays.

Answer 2

https stands for http secure. and it's more secure in several aspects

Answer 3

HTTPS
HTTPS stands for Hypertext Transfer Protocol Secure. HTTPS is a protocol which uses an encrypted HTTP connection by transport-layer security.
HTTP
Http stands for Hyper Text Transfer Protocol. It allows World Wide Web users to transferring information like image, text, video, music, graphic and other files on web pages. Http is basically used to access html pages and also other resources can be accessible using HTTP.