While doing some web page debugging, I noticed that a simple, static, html file was pulling in a ton of web resource. Most noticeably from a place called Superfish, and sucking in with it a good deal of JavaScript libraries. On. Every. Page. Load.
The culprit seems to be a Safari Extension called Awesome Screen Show 1.3.7 by Dilgo. However, the developer site isn’t coming up, and I’m not all that encouraged by what I see over at Superfish either.
Uninstall the extension, as here’s the overhead you’ll be saving: