> For the complete documentation index, see [llms.txt](https://devitan.gitbook.io/truyen-tranh-mien-phi/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://devitan.gitbook.io/truyen-tranh-mien-phi/iv.-third-party-service-providers/1.-google.md).

# 1. Google

We use the Google Sign-in SDK to allow you to sign up for a Truyen Tranh Mien Phi account and log in. We use Google Analytics to understand how our Services perform, and how you use them. We also use Google AdMob to serve some of the ads on Truyen Tranh Mien Phi.

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