お知らせとインサイト

2026年3月14日

Google search looks stormy, but not official

Google’s search weather is rough today. SERP volatility is running at 7.9/10 according to WireBoard’s tracker, with several providers showing extreme movement, which points to broad ranking turbulence...

2026年3月15日

Google rankings are whipping around again

Google's search weather is rough today. SERP volatility is running at 7.9/10 according to WireBoard's tracker, with several providers near the ceiling, which usually means broad ranking swings rather...

2026年3月16日

Google shakes, but the official news is tiny

Today’s clearest official change is small but real: Google Search Central added new optional Event structured data fields, eventStatus and previousStartDate, which matters if you run events and ne...

2026年3月17日

Google rankings are whipping around today

Google search looks stormy on March 17, 2026. WireBoard's volatility tracker is at 7.8/10 today, with several providers showing extreme movement, which strongly suggests broad ranking churn even witho...

2026年3月18日

Google rankings are jumpy, but no fresh Google alert

Google Search does not appear to have posted a new official ranking update on March 18, 2026, and Search Central’s latest documentation changes are still the March 12 page-experience clarification and...