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Stack Exchange relies on jQuery to provide some essential functionalities, such as Log In.

Currently, the reference is to Google APIs.

<script src="//ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js"></script>

Although the availability of Google APIs is high, the accessibility may vary between different areas in the world.

I suggest add a secondary reference, such as the reference from Microsoft, when Google APIs is not accessible.

The issue turns out to be more severe. If I want to log in to Stack Exchange, I have to go to my office.

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