-Mobile Website Speed Testing Tool - Google
--https://testmysite.thinkwithgoogle.com/
-モバイル フレンドリー テスト
--https://www.google.com/webmasters/tools/mobile-friendly/?hl=ja
-Web Page Analyzer - free website optimization tool website speed test check website performance report from web site optimization
--http://www.websiteoptimization.com/services/analyze/