阿珍是 GlobalMovers.com 的行銷人。完成這個網站與競爭對手網站的比較分析後，她相信自家網站的載入與回應速度若獲得改善，就能提升成效及貢獻更多收益。 她應該運用哪一項統計資料，說服 GlobalMovers.com 的高階主管優先重視網站速度？

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