TuneStreamer.com 是一个在线音乐播放网站。其订阅订单持续下降。作为该网站的营销主管，您需要找出原因并解决问题。从 Google Analytics（分析）报告来看，结账页似乎存在很大的问题。显然，结账体验方面的问题正在将客户拒之门外。 哪项 Google 功能可以利用用户 Google 帐号中存储的信息来简化结账流程？

One-tap sign-up (or One-tap sign-in) allows users to create an account or sign in to a website using their existing Google account with a single tap. This streamlines the checkout process by pre-filling information and eliminating the need for users to create new credentials, directly addressing the problem of a cumbersome checkout experience. Google Analytics is a reporting tool for website performance, not a feature to simplify checkout. Multi-factor authentication enhances security but adds steps, making checkout more complex, not simpler. Google Shopping is a platform for listing products, not a checkout simplification tool.