The Yahoo website as well as the others services belonging to company, such as email, search, etc. have been intermittently not working for a while now.
The reasons for Yahoo's downtime are not available at the time of writing, and there are reports of connectivity issues in both the United States and Europe.
While the company has remained silent about the event, services like DownDetector.com show that as far as America is concerned, there is a problem in San Francisco, Los Angeles, Dallas, Seattle and New York. Some parts of Canada are also experiencing problems connections with Yahoo.
As for Europe, Yahoo has a problem in France, in Greece, in Spain, Italy, the United Kingdom and the Netherlands.
In most cases, Yahoo's services do not load at all, and some claim that they can reach the login page, but then can not go any further.