BANGKOK, THAILAND – A widespread technical outage at Cloudflare temporarily disrupted access to major online platforms and numerous other websites worldwide.
Cloudflare failure triggers widespread disruption
Large parts of the internet were inaccessible after Cloudflare, a central internet infrastructure provider, experienced significant technical problems. Among the affected services were prominent platforms such as X (formerly Twitter) and many other websites across the globe. The online portal Der Wochenblitz and its associated services were also temporarily unavailable, with users encountering error messages instead of regular content.
Cloudflare acknowledged the incident and confirmed it was investigating the cause.
“Cloudflare is aware of an issue that may be impacting multiple customers and is investigating,”
said the company in an update.
“Further details will be provided as more information becomes available.”
Error messages, tracking issues, and dependency concerns
Users affected by the disruption were shown a message referring to an “internal server error in the Cloudflare network”, advising visitors to try again after a few minutes. The outage also hit the incident-tracking platform Down Detector, which monitors service interruptions. When the site eventually loaded, it displayed a sharp spike in reported problems linked to the event.
Cloudflare is regarded as one of the most important infrastructure providers of the modern internet. Millions of websites worldwide rely on its services to defend against DDoS attacks and other cyberthreats, to improve loading speeds, and to maintain availability during periods of heavy traffic. An outage at such a provider therefore has far-reaching consequences and underlines how strongly today’s internet depends on a small number of central service operators.
According to the company, work is ongoing to resolve the issue, and users are being asked to follow the official Cloudflare status pages for further updates. Der Wochenblitz has apologized to its readers for the temporary inaccessibility of its website, stressing that the disruption was beyond its control and was caused by the external infrastructure provider.
Status as of November 18, 2025.