Decryption: links to the latest cheating way you know?

Recently occasionally to see a forum to see a person engaged in medical SEO experts put forward this concept is very clever so take out to share: for http://www.aliyun.com/zixun/aggregation/8495.html "> Links, we are most of the case is link.chinaz.com this tool to query! So this tool to query the registration? How much the Enterprise QQ website Seoer analysis is as follows:

For example, Xian gynecological This station, you use the Link.chinaz.com tool query when you see and you look at the source code is the same, then this means, see no flaws. So, what is this cheating?

Know point program people may know, if I use the program in addition to collect Baidu Spider's IP, and build a database, use function method to judge as long as Baidu Spider's IP then give JS page display effect, or not write, we think. In this way, you find the friend chain is normal. And what you see with the tools is normal. So how do you see it?

Snapshot: From the snapshot, look at the snapshot of the source code, if there is, then it is normal.

But we think, you change the link is not to show the new links to the snapshot inside, then this can not judge whether cheating, so can only wait for snapshots updated before you can see, which greatly increased the difficulty of our maintenance! So how do you solve the problem? I heard Webmaster Assistant plug-in version can solve this problem, But unfortunately because this is cheating means also inconvenient to provide to everyone, because I have been adhering to the white hat means to optimize the site.
By the Enterprise QQ how much money (http://www.53crm.cn) releases.