Cloudflare experienced a global outage, impacting access to many websites and services. The issue stemmed from a configuration file that exceeded its size limit, causing a crash in the system that manages traffic. Although the outage was resolved within a few hours, it highlighted the vulnerability of internet infrastructure.

This article discusses the implications of Downdetector relying on Cloudflare for key services during a November 2025 outage. Despite being a multi-cloud service, Downdetector's use of Cloudflare for DNS and CDN helps manage traffic spikes and maintain performance, even if it introduces a single point of failure. The piece also highlights design considerations and potential improvements for the future.

Cloudflare experienced a significant outage on September 12, 2023, affecting both their dashboard and API services. The incident caused disruptions for users relying on these tools, leading to increased scrutiny of the company's infrastructure and response mechanisms during downtime. Cloudflare's team worked to resolve the issues and restore services as quickly as possible.