Googleトレンド

What is Google Trends? 

Google トレンドは、一定期間にわたる検索キーワードの人気を調査および分析できる無料の Google ツールです。

Google Trends provides access to the search queries other visitors enter into Google. This data lets you identify the top trending topics and gauge public interest. 

Google Trends also allows you to compare the search data of multiple queries side-by-side. Further, you can filter the search data by country, time, category, and search type.