Latency Open Source Tuning Wireless 
Smashing Magazine
AUGUST 22, 2021
Because we are dealing with network protocols here, we will mainly look at network aspects, of which two are most important: latency and bandwidth. Latency can be roughly defined as the time it takes to send a packet from point A (say, the client) to point B (the server). Two-way latency is often called round-trip time (RTT).
Smashing Magazine
SEPTEMBER 6, 2021
Finally, not inlining resources has an added latency cost because the file needs to be requested. As such, a micro-optimization is, again, how you probably need to fine-tune things on a low level to really benefit from it. In our own early tests , I found seriously diminishing returns at about 40 files. What Does It All Mean?
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