Hi folks,
As you've probably heard, last week we deployed ulsfo in production, reducing latency for Oceania, East/Southeast Asia & US/Canada pacific/west coast states. My estimation of the user base affected by this is 360 million users (as in, Internet users, not Wikipedia users).
I was wondering if you have an easy way to measure and plot the impact in page load time, perhaps using Navigation Timing data?
The operations team has spent a considerable amount of time and money to deploy ulsfo and I believe it'd be useful for us and the organization at large to be able to quantify this effort.
The exact dates of the rollout by country/region codes can be found in operations/dns' git history: https://git.wikimedia.org/summary/?r=operations/dns.git (the commits should be self-explanatory, but I'd be happy to clarify if needed)
Thanks! Faidon