I had just uploaded my first item in about a week and half ago. But the reviewer said:
LIVE DEMO NOT ACCESSIBLE: A full review cannot be performed at this time - please check your live demo URL and resubmit
My demo URL is http://notime-countdown-timer.demo.faizalluthfi.com and I can open it in my browser
I had resubmitted with a new URL https://faizalluthfi.gitlab.io/notime-countdown-timer-demo but the reviewer replied “Live demo is still just a blank white page”, then I changed the demo URL again to the first URL again.
I had also changed the server config to allow my URL to load in iframe, but once again the reviewer replier “Your demo is still not loading - blank white page”.
It is already the third submission of my item.