“Helpful Content Update” と名付けた新しい検索アルゴリズムのアップデートを Google は実施した。| 海外SEO情報ブログ
This page provides status information on the services that are part of Google Search. Check back here to view the current status of the services listed below. If you are experiencing an issue not listed here, please contact Support. Learn more about what's posted on the dashboard in this FAQ. For additional information on these services, please visit https://developers.google.com/search/help/status-dashboard.| status.search.google.com
Google's ranking systems are designed to present helpful, reliable information that's created to benefit people. Learn how to evaluate your own content with the self-assessment questions.| Google for Developers