Full Breakdown
Global Cloudflare Outage Disrupts Websites Worldwide
7/24/2026, 11:06:41 AM
Core Event
On Tuesday, Cloudflare—a U.S. firm that routes traffic for millions of sites—experienced a sudden outage that generated error messages across a broad swath of the internet. The problem was first reported at 11:48 a.m. London time, and by the early afternoon the company announced that a fix had been applied. During the incident, some site owners could not reach their performance dashboards, and high-profile customers such as OpenAI reported increased downtime. In London, Cloudflare also disabled its Warp encryption service, causing “failure to connect” messages for users attempting to browse via Warp.
Background and Recent Precedents
Cloudflare’s role as a “gatekeeper” of web traffic includes defending sites against distributed-denial-of-service attacks and verifying human users, a function described by Prof. Alan Woodward of the Surrey Centre for Cyber Security. The outage arrived less than a month after an Amazon Web Services failure that knocked thousands of sites offline, highlighting the fragility of the hidden infrastructure that underpins much of the modern web.
Impact on Users and Services
The disruption affected a wide range of online services. Downdetector recorded simultaneous outages for sites that rely on Cloudflare’s performance and security layers. Users in London attempting to access the internet through Warp encountered connection failures, and the broader error cascade reduced accessibility for numerous websites that depend on Cloudflare’s CDN and DNS routing.
Official Response
The company issued the following statement:
“A fix has been implemented and we believe the incident is now resolved. We are continuing to monitor for errors to ensure all services are back to normal.” — pm the company
Root Cause
Cloudflare identified the trigger as an automatically generated configuration file that exceeded its expected size. The oversized file caused a crash in the software system that manages threat-traffic handling, leading to the widespread service interruption. The firm is monitoring for lingering errors while working to prevent similar file-growth issues in the future.
