HTTP URL in your browser’s address bar is HTTP:// and the HTTPS URL is HTTPS://.
HTTP is unsecured while HTTPS is secured.
HTTP sends data over port 80 while HTTPS uses port 443.
HTTP operates at the application layer, while HTTPS operates at the transport layer.
No SSL certificates are required for HTTP, with HTTPS it is required that you have an SSL certificate and it is signed by a CA.
HTTP doesn’t require domain validation, whereas HTTPS requires at least domain validation and certain certificates even require legal document validation.
No encryption in HTTP, with HTTPS the data is encrypted before sending.
