HTTP for normal websites may allow your website visitors to participate in DDoS: <a href="https:&#x2F;&#x2F;blog.cloudflare.com&#x2F;an-introduction-to-javascript-based-ddos&#x2F;" rel="nofollow">https:&#x2F;&#x2F;blog.cloudflare.com&#x2F;an-introduction-to-javascript-ba...</a><p>Happened to GitHub once.