The Cloudflare Blog

OpenAI’s newest open-source models are now available on Cloudflare Workers AI on Day 0, with support for Responses API, Code Interpreter and Web Search (coming soon).

We significantly sped up our privacy proxy service by fixing a 40ms delay in "double-spend" checks.

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.

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 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.

Build and deploy real-time, decentralized Authenticated Transfer Protocol (ATProto) apps on Cloudflare Workers.

Faced with a data-ingestion challenge at a massive scale, Cloudflare's Business Intelligence team built a new framework called Jetflow.

Microsoft disclosed two critical vulnerabilities, CVE-2025-53771 and CVE-2025-53770, that are exploited to attack SharePoint servers.

In Q2 2025, we observed Internet disruptions around the world resulting from government-directed shutdowns, power outages, cable damage, a cyberattack, and technical problems.

This is part two of a story about how we overcame the challenges of making a complex system more scalable.

We’ve partnered with marimo to bring their best-in-class Python notebook experience to your Cloudflare data.

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.

Gartner has recognized Cloudflare as a Visionary in the 2025 Gartner® Magic Quadrant™ for SASE Platforms report.

June was the busiest month for DDoS attacks in 2025 Q2, accounting for nearly 38% of all observed activity.

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.

Cloudflare chose TimescaleDB to power its Digital Experience Monitoring and Zero Trust Analytics products.

Cloudflare's SASE platform now offers egress policies by hostname, domain, content category, and application in open beta.

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.

Bots can start authenticating to Cloudflare using public key cryptography, preventing them from being spoofed and allowing origins to have confidence in their identity.

From May 2024 to May 2025, crawler traffic rose 18%, with GPTBot growing 305% and Googlebot 96%.