Network Diagnostics and More
Tool guide limitationsGuides explain the intended workflow but cannot cover every device, provider or operating condition.

Interfaces and external services can change. Follow the current on-screen controls, check dates and vendor documentation, and verify important results independently before acting on them.

Important: Do not rely on this result alone for purchasing, configuration, security, safety, compliance, contractual or fault-diagnosis decisions. Results can be incomplete, delayed, misleading or wrong. Verify important findings with the relevant provider, manufacturer documentation and an appropriate independent test or qualified professional.

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Connection tests

Connection Quality guide

Assess responsiveness and stability using latency, jitter and request-loss measurements.

Open Connection Quality

What you need

  • No destination is required

How to use it

  1. 1Stop avoidable network activity.
  2. 2Start the quality test.
  3. 3Keep the tab active until it finishes.
  4. 4Review the summary and samples.

Understanding the results

  • Lower latency and jitter are generally better.
  • Loss or large variation can affect calls, games and remote sessions.

Recommended next actions

  • Repeat at another time and compare Wi-Fi with Ethernet.

Common problems

  • Background tabs and mobile power saving can delay browser requests.

Privacy and security

  • Inputs and results remain in this browser unless you deliberately export or share them.

Worked example

Scenario
Investigating choppy video calls
Example input
Run during the affected period
How to read it
High jitter with normal throughput points toward an unstable path rather than simple bandwidth shortage.

Limitations

  • Uses browser HTTP requests rather than ICMP packets.

Do not rely on one result for a production, security, safety, purchasing or contractual decision. Verify important findings independently.