this JS effect is not an essential effect for a blog or a website. I just thought it fun to have such an effect. You can click on any page of my blog to check out the effect.
Let’s Encrypt is a new Certificate Authority: It’s free, automated, and open.
Cloudflare is the best free CDN provider as I know, and I’ve been enjoying its fantastic service for around 3 years. Since Sep 2014, Cloudflare offers free SSL service. The SSL service provided by Cloudflare requires no dedicated IP for your website.