k6 load tests overstate origin traffic: no built-in browser cache emulation to model CDN hit ratios
k6's HTTP client does not implement a browser-like cache: every request in a script is sent over the network on every iteration, and response headers such as Cache-Control and ETag are returned to the script but never acted upon automatically. Conditional requests ( If-None-Match ) must be built explicitly, and http.batch() does not deduplicate or cache anyt