I'll give that a try when the site does it again. The site loads normally after I go through the links and relaunch Safari. Sometimes, even a restart causes it to load normally. I received this reply at TechSurvivors.

Jon

macOS 11.7.10, iMac Retina 5K 27-inch, late 2014, 3.5 GHz Intel Core i5, 1 TB fusion drive, 16 GB RAM, Epson SureColor P600, Photoshop CC, Lightroom CC, MS Office 365