Cloudflare has been experiencing ongoing issues today. This can result in a variety of errors for sites using Cloudflare, and has also impacted lightningbase.com, along with our monitoring pages (resulting in outages on this status page). The service has been largely up recently but they are continuing to work on this. If your site is using Cloudflare, you can see status updates from them directly here: https://www.cloudflarestatus.com/