Browsing via HTTPS (HyperText Transport Protocol – Secure) combines the normal HTTP with SSL/TLS protocol and provides encrypted communications between the host (webserver) and the client(your PC). The advantage of using HTTPS is that no-one can sniff/snoop the data packets and eavesdrop on the data as it's encrypted.
Enable secure browsing on FacebookLogin to your facebook account and select Account > Account Settings from the top right corner.
Find the "Account Security" section and check "Browse Facebook on a secure connection (https) whenever possible.
Enable secure browsing for Gmail
That's about it. Gmail will use HTTPS for all future logins. So Happy browising…