No-ICP CDN Migration and Second-Selection Guide: Saying Goodbye to Evening Peak Stalls, Misblocked APIs, and Hidden Renewal Bills

Many teams hosting their origin servers overseas are forced to switch CDN providers after their first no-ICP CDN causes mainland China evening peak stalls, misblocked login and payment APIs, huge traffic bills after attacks, or domain blocking. This article breaks down the second-selection criteria for no-ICP high-defense CDNs across four dimensions: China-ring three-network direct-connect architecture, fine-grained smart WAF allowlisting, fixed peak billing, and NS-free smooth switching.