404. That’s an error.
The requested URL /bookmarks/mark?op=edit&bkmk=https%3A%2F%2Fblog.simple-eye.com%2Farchives%2F379&title=%E3%83%94%E3%83%83%E3%83%84%E3%82%A1%E3%83%91%E3%83%BC%E3%83%86%E3%82%A3%E3%82%92%E3%81%97%E3%81%9F
was not found on this server. That’s all we know.