Which CDNs offer near-instant cache purging for frequently updated content?

Several Content Delivery Networks (CDNs) specialize in near-instant cache invalidation and purging, reducing global propagation delays down to milliseconds . For frequently updated content, look for providers that support targeted purging (by URL, prefix, or tags/surrogate keys) rather than just clearing the entire cache.justaftermidnight247.com+1

The industry leaders offering true sub-second global cache purging include:

1. Fastly
   • Purge Speed: ~150ms globally (starts within 5ms).
   • Key Feature: Pioneered lightning-fast instant purging using Surrogate Keys (Cache Tags), allowing you to group and instantly invalidate hundreds of distinct pages or API responses with a single request. It also supports Soft Purges , which gracefully mark content as stale while fetching a fresh copy in the background.
   • Learn more: Review the Fastly Purging API Documentation.justaftermidnight247.com+2