Here's what it should look like:

Here's what it does look like:

Real Small Caps
FAKE SMALL CAPS

(Real Small Caps use the small capitals glyphs from the font, which are usually sharper and differently-proportioned.)

Results

Safari v64 capitalizes nothing.
Safari v62 capitalizes everything.
Safari v60 capitalizes nothing.
OmniWeb 4.1 capitalizes nothing.
Chimera 2002-02-12 uses Fake.
IE 5.1 uses Fake.