Thareq Yusuf

How fast is this site from London, from Jakarta, from San Francisco? What does a cache miss cost, how much load can the server take, and what happens when it goes down? Each experiment below states a prediction from napkin math before it runs, and the results are published here with the raw data, including where the prediction was wrong.

IDExperimentStatusLast run
E00Do the instruments agree?Planned8 Oct 2026
E01Edge latency mapPlanned—
E02Cost of a cache missPlanned—
E03Cold start after a deployPlanned—
E04Cache retentionPlanned—
E05Origin capacityPlanned—
E06Edge under light loadPlanned—
E07Internet path vs Cloudflare pathPlanned—
E08Full page loadPlanned—
E09Origin downPlanned—
E10Config checksPlanned—