when I look at the Gates, I see posts from July 10th (top is “CPAN Modules” then “Efficient matching ...”) and nothing sooner

Basic debugging checklist item 4 ( Dumper )

For browser maybe that is view+source, or whatver

Other information you could provide is hosts you're using and the ip adresses you get for them (perlmonks.NET ...org ...com www...)

What sort of thing might cause this behavior?

Don't get ahead of yourself, step 1, gather evidence, step 2, share evidence