Lately (last few days) I've been having trouble with slow response times - to the point that after several minutes I have to reload the page - from this site. I typically run with several tabs open in my browser, but I've found that closing all but one does not help the problem. I've tried various things, including clearing the cache, but nothing seems to work. It's only this site - none of my other regularly visited sites has a problem. Has anyone else seen or reported problems like this?
Mac OS X 10.12.3 (Sierra), Safari 10.0.3
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