You will need to create a Physeo account first, once you have created one (its free), you will be able to see the contents of the website.
This is what it looks like when you are signed in:
Correct, when it is protected, nothing gets downloaded. The field will be blank. The only way you get those missing image icons is if you unprotect that field manually and sync
So we only sync the hash of numbers/letters, as you can see in this image here:
So in AnkiHub, there is no image, its just a bunch of HTML. The image is not saved on our servers or anything. When you download their media folder and import that media, their media also has an image that contains the same HTML "12062020_0837%20(9).jpg.
Anki will then detect this string of letters/numbers and “import” that media into the correct file if its on your desktop. That’s a very bare bones explanation as I’m not a developer haha but I hope that makes sense