Guides, tutorials, and references for every part of CDNShark — edge delivery, pull zones, DNS, cache controls, and more.
A high miss rate means your edge nodes are frequently fetching from origin. Common causes: very low cache TTL, many unique URLs (e.g. query strings with session tokens), or cache rules that are too broad. Review your cache rules and consider increasing TTL for static assets. Use the Analytics tab to identify which paths have the lowest hit rates.