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Many of the pages on my site showed superfluous single-resource hits from a domain that *does not appear* in my code:
The full URL embeds my content URL at the end -- omitted here, but the URL looks like this:
[trgc.opt.fimserve.com...] ID]&atad=http%3A%2F%2F[MY ENCODED URL]&rnd=[ANOTHER NUMERIC ID]
It's pretty clearly a tracking pixel. Why does Google think it's coming from my site?
Google's page-speed data comes from Google Toolbar users. Perhaps some of these users have some sort of FOX tracking software installed too?
I'm 100% sure FOX didn't hack my website. I'm 100% sure the fimserve IMG tags didn't come off of my server.
So why does Google think they did?