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July 28, 2021 1:59PM
When both Last-Modified and Etag headers are absent from the origin response, Smart Edge Revalidation will use the time the object was cached on Cloudflare as the Last-Modified header value. When Cloudflare receives a revalidation request, our edge can respond using the generated header....
May 21, 2021 12:00PM
CDN Cache Cache-Control Product News HeadersToday we are thrilled to announce our support of a new set of HTTP response headers that provide surgical control over our CDN’s caching decisions. CDN-Cache-Control allows customers to directly control how our CDN behaves without affecting the behavior of downstream or upstream caches....
March 19, 2021 12:00PM
Cache Speed & Reliability PerformanceUp until now, we wouldn’t cache requests with query strings until we saw them three times. We trace that behavior back to 2010, examine why we might have needed it, and show ourselves why we don’t need it anymore....
March 16, 2021 12:00PM
Automatic Platform Optimization WordPress Speed & Reliability Cache PerformanceWe explored almost 200 websites with the activated Automatic Platform Optimization feature in Chrome User Experience Report data. Automatic Platform Optimization consistently demonstrated better aggregate performance among sites we analyzed in TTFB, First Paint, FCP, and LCP metrics....
March 08, 2021 2:00PM
DNS Cache UnboundWe use Consul for service discovery, and we’ve deployed a cluster that spans several of our data centers. We were aware from the start that the DNS query latencies were not great from certain parts of the world that were furthest away from these data centers....
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