The CDN math that actually matters for e-commerce

Tue, 10 Feb 2026 00:00:00 +0000

When we audit a CDN deployment for an e-commerce client, we don’t start with the dashboard the vendor provides. We start with four numbers. If these four numbers aren’t being tracked, optimized, and reported every month, the deployment is almost certainly underperforming.

1. Cache hit ratio (by content type)

The aggregate cache hit ratio is mostly useless — it’s dominated by static assets that would cache anywhere. What matters is the cache hit ratio broken down by content type:

Is Your Website Ready for the Holiday Rush?

Tue, 03 Dec 2024 00:00:00 +0000

11.11 just happened. Black Friday is right behind it. Then Christmas, then New Year’s. If your platform survived Singles Day with headroom to spare, you might be tempted to relax. Don’t. Each of these events amplifies the same underlying gaps — and the ones that don’t show up under moderate traffic tend to surface spectacularly under peak load.

The preparation conversation usually focuses on infrastructure scaling: more instances, higher database connection limits, load balancer tuning. That’s necessary but not sufficient. Two factors that consistently determine whether a platform has a good or bad holiday season sit outside the application layer entirely: security posture and edge performance.

E-Commerce on Eknix — Web security & performance for the enterprise

The CDN math that actually matters for e-commerce

1. Cache hit ratio (by content type)

Is Your Website Ready for the Holiday Rush?