
The websites of global media organisations including The Guardian newspaper,Financial Times of London andCNN internationalwent down on Tuesday before it came back online.
All the pages showed 'error 503' for several minutes.
The UK government's website gov.ukhad also gone down. Reports said the BBC website had also gone down but returned later.
According to reports, the issue was related to a cloud server problem with an outage reported at Fastly (FSLY). Although the company said the problem had been fixed, many sites were still unavailable for users worldwide.
Other internet siteswere also hit including Amazon, Target, reports added.
Reports said the French website of Le Monde had also gone down.
In the US, sites including those of theWhite Houseand the New York Times newspaperwere temporarily inaccessible but came back online later.
(With inputs from agencies)