I have a very basic website which only renders a series of images and a bit of text. When I enabled HTTPS it slowed down my web page significantly as there are 41 images plus 41 low-resolution placeholder images resulting in a minimum of 82 SSL handshakes. However according to Google's docs (https://developers.google.com/web/fundamentals/security/encrypt-in-transit/why-https) every website should use HTTPS. What are the possible risks involved with not using HTTPS? In fact, my website does support HTTPS, it just does not redirect to the HTTPS version by default, the client has to go their manually.