Quicksilver v2: evolution of a globally distributed key-value store (Part 2)
2025-07-17
This is part two of a story about how we overcame the challenges of making a complex system more scalable....
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Quicksilver v2: evolution of a globally distributed key-value store (Part 1)
2025-07-10
This blog post is the first of a series, in which we share our journey in redesigning Quicksilver — Cloudflare’s distributed key-value store that serves over 3 billion keys per second globally. ...
“You get Instant Purge, and you get Instant Purge!” — all purge methods now available to all customers
2025-04-01
Following up on having the fastest purge in the industry, we have now increased Instant Purge quotas across all Cloudflare plans. ...
Sometimes I cache: implementing lock-free probabilistic caching
2024-12-26
If you want to know what cache revalidation is, how it works, and why it can involve rolling a die, read on. This blog post presents a lock-free probabilistic approach to cache revalidation, along ...
Wrapping up another Birthday Week celebration
2024-09-30
Birthday WeekPartnersDeveloper PlatformWorkers LaunchpadWorkers AICloudflare WorkersTurnstilePerformanceSecurityCacheSpeedSpeed BrainDevelopersAI
Recapping all the big announcements made during 2024’s Birthday Week....
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September 25, 2024 1:00 PM
Introducing Speed Brain: helping web pages load 45% faster
We are excited to announce the latest leap forward in speed – Speed Brain. Speed Brain uses the Speculation Rules API to prefetch content for the user's likely next navigations. The goal is to download a web page to the browser before a user navigates to it, allowing pages to loa...
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September 24, 2024 11:00 PM
Instant Purge: invalidating cached content in under 150ms
Today we’re excited to share that we’ve built the fastest cache purge in the industry. We now offer a global purge latency for purge by tags, hostnames, and prefixes of less than 150ms on average (P50), representing a 90% improvement since May 2022. ...
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October 24, 2023 1:00 PM
Cache Rules are now GA: precision control over every part of your cache
Today, we're thrilled to share that Cache Rules, along with several other Rules products, are generally available (GA). But that’s not all — we're also introducing new configuration options for Cache Rules...
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September 28, 2023 1:00 PM
Cloudflare Integrations Marketplace introduces three new partners: Sentry, Momento and Turso
Earlier this year, we introduced integrations with Supabase, PlanetScale, Neon and Upstash. Today, we are thrilled to introduce our newest additions to Cloudflare’s Integrations Marketplace – Sentry, Turso and Momento...
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June 01, 2023 1:00 PM
Reduce latency and increase cache hits with Regional Tiered Cache
Regional Tiered Cache provides an additional layer of caching for Enterprise customers who have a global traffic footprint and want to serve content faster by avoiding network latency when there is a cache miss in a lower-tier, resulting in an upper-tier fetch in a data center lo...
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September 27, 2022 1:00 PM
Introducing Cache Rules: precision caching at your fingertips
We have spent the last ten years learning how customers use Page Rules to customize their cached content, and it’s clear the time is ripe for evolving rules-based caching on Cloudflare...
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August 12, 2022 4:30 PM
Crawler Hints supports Microsoft’s IndexNow in helping users find new content
Cloudflare is uniquely positioned to help give crawlers hints about when they should recrawl, if new content has been added, or if content on a site has recently changed...
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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 ...
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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 ...
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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....
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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...
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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....
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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. ...
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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....
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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....
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