In measuring network latencies, use percentiles.
Averages Can Be Misleading: Try a Percentile | Elastic
What is best metric in Web Performance Monitoring? Average, Percentiles, or Standard Deviation? - Catchpoint's Blog
What is latency, throughput and degree of concurrency?
Who moved my 99th percentile latency? | LinkedIn Engineering
Latency Tip Of The Day: Q: What's wrong with this picture? A: Everything!
Latency Tip Of The Day: You can't average percentiles. Period.
Latency Tip Of The Day: MOST page loads will experience the 99%'lie server response
"How NOT to Measure Latency" by Gil Tene - YouTube
FPS is not enough, use frame time.
Inside the second: A new look at game benchmarking - The Tech Report