Facebook, the largest social network in the world, had access problems Tuesday during a good part of the day because of a problem with a server, but the failure was finally resolved, do we have learned from the group.
Instagram, the photo sharing application owned by Facebook, also announced technical difficulties.
"Earlier in the day, the configuration of a server caused intermittent problems on all applications in a global way, resulting in a degraded experience for users," said a spokesman for Facebook around 24H00 GMT .
"The problem has since been solved, we are back to 100% for everyone, and we are sorry for the inconvenience" caused, he added.
The independent Downdetector website has published a map showing cuts affecting most parts of the world, particularly in North America, Europe and Asia.
The blackout appeared to spread from early morning to afternoon in California on Tuesday, where the 2 billion user group is headquartered.
On November 12, Facebook had already broken down briefly in North and South America.