A coverage map is only a starting point
A nearby edge location is useful, but does not guarantee good delivery. Peering, routing, congestion, service availability and cache state all affect the result. Validate delivery to your actual audience rather than relying only on the distance between points on a map.
Different networks have different strengths
One provider may suit your European audience, while another is a better fit in parts of Asia or Latin America. Multi-CDN lets you combine available options. The right choice remains project-specific: a single network may be sufficient, with additional providers justified only for selected regions.
Define the criteria first
List priority countries and local networks. Decide what matters: successful page access, time to first byte, large-file throughput or video stability. Use representative assets and test at different times. A single overall average can hide serious regional differences.
Redundancy needs a design
Two CDNs do not create automatic failover by themselves. Agree on routing, failure criteria, configuration compatibility and the return to the primary route. Validate DNS, HTTPS, cache keys, headers and content updates on each network before depending on the arrangement.
Broader coverage, realistic expectations
Combining networks expands your routing choices, but does not remove local restrictions or operator outages. We focus on named countries, measurable requirements and acceptance criteria. That is more useful than promising identical performance everywhere in the world.
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