503 Service Unavailable error

503 service unavailable in blogspot :

This error mostly have a chance to occur when you try to access your blog or this error message is displayed in your dashboard.Find the reason for this error and also how to prevent it from the below url
http://www.bloggertricks.com/2010/09/503-service-unavailable-in-blogger.html 

503 Service Unavailable error along with 404 in twitter :

Here i obtained this error along with 404 not found error.See the below proof for this error

 

Http error 503.The service is unavailable
This error may sometimes indicate that the requested site is too busy.Below is the proof for this http 503 error,

See Also :
error from blogspot