My wordpress site is not working?

I can edit & post but I cant preview anything nor view the site? and it gives me this message " the site is not available".I also cant open any other

I can edit & post but I cant preview anything nor view the site? and it gives me this message " the site is not available".
I also can't open any other wordpress site ..I just can see the posts on my reader and view them but if I want to visit the sites that am following , it also gives me the same message !! is it down for all of you or just me ?

or:I can edit & post but I cant preview anything nor view the site? and it gives me this message \" the site is not available\".I also can't open any other wordpress site ..I just can see the posts on my reader and view them but if I want to visit the sites that am following , it also gives me the same message !! is it down for all of you or just me ?

or:Your wordpress site may wrongly configured I think.

or:A blank white page means that PHP is crashing, usually due to a function conflict, probably introduced by a plugin or theme.Try manually resetting your plugins (no Dashboard access required). If that resolves the issue, reactivate each one individually until you find the cause.

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