I'm using a PC, so the only pages that display what I assume to be the "welcome test" are for the
I realize that nearly everyone on the planet has a smart-phone or iSomething, even in the most remote places. I do not have one of these devices and only use my PC or a hand-held gaming device if I'm elsewhere in a place where I can access WiFi.
A lot of sites (like FaceTube and FriendFace) have mobile options that users can choose using their mobiles.
I could only load a couple of the test pages.
As for the colors, I realize that you have other things to do - the whole appearance is so bright and unappealing that I personally race through the lists without really taking in what I'm looking at. There was a graphic artist that responded about possible imrovements to the color scheme - I would give strong consideration to those suggestions because there are "rules" when using colors for any and all purposes. Some combinations create certain human responses, and a stark white background with bars of YELLOW are upsetting to the brain, literally. Yellow is the color of danger or warning as interpreted by the human brain. Just saying. ;-)
The link to the old forum version requires me to login, again, and logout, and the main page that is the new format maintains that I am logged in, so I must pull up the new page, again, and logout of that, as well.
I don't know if any of this helps, at all, and I'm sorry that it's taken me this long to respond. Multiple personal issues have been at the forefront, lately.