I am hosting my website on Siteground and we activated Cloudflare Railgun. The website is working fine and the speed is also decent enough. But lately, some of my visitors always face Error 523 (Origin is unreachable). When they reload the page the website is again connected.
I contacted Siteground support team and they told me it’s because of the Railgun! They deactivate it right away. My question is what do I miss if i don’t use the railgun?? Will this impact my site speed negatively?
Error screenshot attached.