Lynx is my most-used/favorite browser. I get variations daily of "your browser is unsupported" messages that almost always go away, without website degradation

Lynx is my most-used/favorite browser. I get variations daily of "your browser is unsupported" messages that almost always go away, without website degradation^1, once I have lynx self-report as "Mozilla" - argh, white-listing. ^1 Excepting javascript, of course.