Reducing double spend latency from 40 ms to < 1 ms on privacy proxy
2025-08-05
We significantly sped up our privacy proxy service by fixing a 40ms delay in "double-spend" checks....
Continue reading »
Perplexity is using stealth, undeclared crawlers to evade website no-crawl directives
2025-08-04
Perplexity is repeatedly modifying their user agent and changing IPs and ASNs to hide their crawling activity, in direct conflict with explicit no-crawl preferences expressed by websites....
Vulnerability disclosure on SSL for SaaS v1 (Managed CNAME)
2025-08-01
An upcoming vulnerability disclosure in Cloudflare’s SSL for SaaSv1 is detailed, explaining the steps we’ve taken towards deprecation....
The White House AI Action Plan: a new chapter in U.S. AI policy
2025-07-25
The White House AI Action Plan is a pivotal policy document outlining the current administration's priorities and deliverables in AI to establish American AI as the gold standard for AI worldwide....
Serverless Statusphere: a walk through building serverless ATProto applications on Cloudflare’s Developer Platform
2025-07-24
Build and deploy real-time, decentralized Authenticated Transfer Protocol (ATProto) apps on Cloudflare Workers....
Building Jetflow: a framework for flexible, performant data pipelines at Cloudflare
2025-07-23
Faced with a data-ingestion challenge at a massive scale, Cloudflare's Business Intelligence team built a new framework called Jetflow....
Cloudflare protects against critical SharePoint vulnerability, CVE-2025-53770
2025-07-22
Microsoft disclosed two critical vulnerabilities, CVE-2025-53771 and CVE-2025-53770, that are exploited to attack SharePoint servers....
Shutdown season: the Q2 2025 Internet disruption summary
2025-07-22
In Q2 2025, we observed Internet disruptions around the world resulting from government-directed shutdowns, power outages, cable damage, a cyberattack, and technical problems....
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....
Explore your Cloudflare data with Python notebooks, powered by marimo
2025-07-16
We’ve partnered with marimo to bring their best-in-class Python notebook experience to your Cloudflare data....
Cloudflare 1.1.1.1 incident on July 14, 2025
2025-07-15
July 14th, 2025, Cloudflare made a change to our service topologies that caused an outage for 1.1.1.1 on the edge, causing downtime for 62 minutes for customers using the 1.1.1.1 public DNS Resolver....
Cloudflare recognized as a Visionary in 2025 Gartner® Magic Quadrant™ for SASE Platforms
2025-07-15
Gartner has recognized Cloudflare as a Visionary in the 2025 Gartner® Magic Quadrant™ for SASE Platforms report....
Hyper-volumetric DDoS attacks skyrocket: Cloudflare’s 2025 Q2 DDoS threat report
2025-07-15
June was the busiest month for DDoS attacks in 2025 Q2, accounting for nearly 38% of all observed activity....
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. ...
How TimescaleDB helped us scale analytics and reporting
2025-07-08
Cloudflare chose TimescaleDB to power its Digital Experience Monitoring and Zero Trust Analytics products. ...
Introducing simple and secure egress policies by hostname in Cloudflare’s SASE platform
2025-07-07
Cloudflare's SASE platform now offers egress policies by hostname, domain, content category, and application in open beta....
Content Independence Day: no AI crawl without compensation!
2025-07-01
It’s Content Independence Day: Cloudflare, along with a majority of the world's leading publishers and AI companies, is changing the default to block AI crawlers unless they pay creators for content....
The crawl before the fall… of referrals: understanding AI’s impact on content providers
2025-07-01
Cloudflare Radar now shows how often a given AI model sends traffic to a site relative to how often it crawls that site. This helps site owners make decisions about which AI bots to allow or block. ...
Control content use for AI training with Cloudflare’s managed robots.txt and blocking for monetized content
2025-07-01
Cloudflare is making it easier for publishers and content creators of all sizes to prevent their content from being scraped for AI training by managing robots.txt on their behalf. ...
Introducing pay per crawl: Enabling content owners to charge AI crawlers for access
2025-07-01
Pay per crawl is a new feature to allow content creators to charge AI crawlers for access to their content. ...
