お知らせとインサイト

2026年3月13日

Google Rankings Jolt, But No Confirmed Update Yet

Google's SEO weather is stormy today. SERP volatility is running at 7.9/10 according to WireBoard's tracker, with several providers showing extreme movement, which points to a real ranking shake-up ev...

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28日

Core update aftershocks hit a jumpy SERP

Google has not posted a fresh Search Central blog update dated Saturday, March 28, 2026, and no obvious same-day breaking item surfaced from the four required sources in search results. The clearest c...

2026年4月1日

Core update keeps rankings on edge

Core update is the main storm Google's March 2026 core update is still rolling out on April 1, now on day 5 after starting on March 27. Google said the rollout may take up to two we...

2026年6月26日

Spam Updateが展開中、順位変動はおおむね落ち着き気味

Spam Updateが展開中 今日いちばんの注目材料は、Googleの2026年6月spam updateです。Googleによると、米太平洋時間6月24日午前9時に開始し、全世界・全言語が対象で、完了まで数日かかる可能性があります。