hint: Private URL breaks online scanner

I just ran the web scanner against my site, and it just fails with a bunch of errors that are all invalid, as if it couldn’t read the site at all – basic, simple things like not finding the <meta charset="utf-8"> that is most definitely in the very top of my site’s HTML:

Here are my test results:

NOTE: I’m deliberately withholding the site URL from this issue because it’s not publicly announced/available yet, but happy to share privately if useful.

Actually, it’s strange, because on my phone the scanner reports these issues as 28 errors, but from my desktop browser, as you can see, it reports them as 28 warnings. And yet it says:

There was an error and we were only able to partially complete the scan.

BUT, then down below, the report shows only errors, not warnings:

Lastly, when I try to click the “perform another scan” link provided in this report page, I get taken to an error page like this:

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Unfortunately, I am not able currently to run the CLI tool on my site. I am only able, from where I’m at right now, to run the web scanner. That’s why I’m reporting these issues with the online scanner and report.