MORE POSTS
July 28, 2021 12:59 PM
Introducing Smart Edge Revalidation
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...
May 21, 2021 11:00 AM
CDN-Cache-Control: Precision Control for your CDN(s)
Today 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 ...
March 19, 2021 12:00 PM
Third Time’s the Cache, No More
Up 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 12:00 PM
Automatic Platform Optimization post-launch report
We 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 metr...
March 08, 2021 2:00 PM
The benefits of serving stale DNS entries when using Consul
We 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....
February 18, 2021 8:01 PM
Introducing: Smarter Tiered Cache Topology Generation
Announcing a fundamental improvement to Argo Tiered Cache we’re calling Smart Tiered Cache Topology. When enabled, Argo Tiered Cache will now dynamically select the single best upper tier for each of your website’s origins while providing tiered cache analytics. ...
February 18, 2021 8:00 PM
Tiered Cache Smart Topology
We are introducing a new topology for Tiered Cache that reduces origin load by increasing cache hit ratio....
June 16, 2020 7:28 PM
Introducing Cache Analytics
Cache Analytics gives you deeper exploration capabilities into Cloudflare’s content delivery services, making it easier than ever to improve the performance and economics of serving your website to the world....
March 24, 2020 12:00 PM
Why We Started Putting Unpopular Assets in Memory
Recently, we developed a technology that reduces our hit tail latency and reduces the wear out of SSDs. This technology is a memory-SSD hybrid storage system that puts unpopular assets in memory....
March 01, 2020 1:00 PM
Why Cloudflare Chose AMD EPYC for Gen X Servers
Looking back at this week's posts on the design, specifications, and performance of Cloudflare’s Gen X servers using AMD CPUs. Every server can run every service. This architectural decision has helped us achieve higher efficiency across the Cloudflare network. ...