To use the Dynamics 365 Diagnostics Tool, add /tools/diagnostics/diag.aspx to your environment URL, e.g.
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This will bring up the page:

We can see the data points include:
- Latency Test
- Bandwidth Test
- Browser Info
- IP Address
- JavaScript Array Benchmark
- JavaScript Morph Benchmark
- JavaScript Base64 Benchmark
- JavaScript Dom Benchmark
- Organization Info
Click Run.
We get information returned, which can help us troubleshoot issues with Dynamics 365.


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