A massive internet outage disabled major websites for the second time in about a month. The internet infrastructure company Cloudflare experienced an unexpected disruption on Friday morning, causing many of the world’s top internet sites to go down.

Cloudflare said shortly after 9am that it is "is investigating issues with Cloudflare Dashboard and related APIs (application programming interfaces)".

The DownDetector monitoring site, which was itself hit by the outage, showed a flurry of reported issues after 11am on Tuesday.