Cost

CDN pricing cannot be compared reliably with one advertised per-gigabyte number. A useful estimate applies each provider’s current rate card or proposal to the same traffic, cache, security, and support assumptions. Build one workload model Record a representative month and a peak event separately. At minimum include: delivered bytes by billing region; HTTP and HTTPS request counts; cache-hit ratio and bytes fetched from origins or shields; purge and configuration-change volume; log volume and destination; image, video, edge-compute, WAF, bot, and DDoS usage; committed traffic, overage, and contract term; support tier and required service level. Use measured traffic where possible. If the application is new, publish the assumptions beside the estimate and run low, expected, and high scenarios. ...