JohnHell, you have explained that so well, and I thank you. You are completely right. My frustration was simply that I have tried the Osprey site in every other current version of major browsers, and K-Meleon's current version is the only one that fails!
SeaMonkey 2.40: works Pale Moon 26.3.3: works Firefox 47.0.1: works
This seemed rather unusual to me, but folks here pointed out
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