Dev Tools · 1h ago
Web Performance: How DNS, TLS, and CDN Impact TTFB
Time to First Byte (TTFB) is often caused by network layers like DNS, TLS, and CDN cache misses, not just server code. The article breaks down each hop and offers practical fixes such as flattening CNAMEs and raising TTL. Teams should diagnose these layers before rewriting themes.
Meridian48 take
The piece is a solid primer for web teams, but it overstates the novelty—most of these optimizations are standard practice for performance engineers.
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Network Performance for Web Teams: DNS, TLS, HTTP, CDN, and Cache Rules →
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