The I frame virus are redirecting to Chinese domain which was severely affected by malwares which will lead to the theft of secured data's from your system. If you dint care for these virus the the virus will eat your whole site.
What are the Meta tags?
They are information inserted into the "head" area of your webpages. Other than the title tag (explained below), information in the
head area of your web pages is not seen by those viewing you pages in browser, Instead, meta information in this area is used to communicate
information that human visitor may not be concerned with.Meta tags, for example can tell a browser what "Character set" to use
or whether a web page has self-rated itself in terms of adult content.
Yahoo! Site Explorer is a tool that lets you access the information we have about a site's online presence. You can see which sites and sub pages are indexed by Yahoo! Search, track sites that link into WebPages, and view the most popular pages from any site