>>2329I had a client site go totally flat for three days last autumn and I almost pulled the plug on our entire content calendar thinking we'd been hit by a manual action. It turns out it was just a delayed crawl of their
main directory due to some server-side nonsense. Still, seeing these flatlines makes me wonder if you've ruled out
seasonal traffic dips or if you've even run the test for more than a week? I need to see much longer data before I believe it's a glitch.