About 9% of newly created blogs are spam

In the case of GIGAZINE, it automatically picks up a blacklist that blocks spam blogs, and the spam coming up automatically is played by random address almost, but once about 3 times the bloodless manual trackback spam flew I can do it. Therefore, you should put trackback spam and comment spam reporting form in a place that each blog can trace from the top page.

Technorati Weblog: State of the Blogosphere, April 2006 Part 1: On Blogosphere Growth
http://technorati.com/weblog/2006/04/96.html

According to a survey of overseas blog search major technorati, we currently have actual measurement data on 35.3 million blogs, and since April, 75 thousand blogs are newly added every day, almost one per second It seems that it increases in the interval of. About 55% of people do not become a three-day bishop but they are updating after three months, and it is said that 11% of the whole blog is updated weekly in general.

However, as a negative aspect, the red line in the graph above is exactly that, but the number of spam blogs is also increasing. How, about 9% of newly created blogs, too much. Blogs are increasing by 75,000 a day, but 6750 of them are blogs for spam only. Since it is increasing by 6750 every day, it is said that a substantial amount of garbage blogs will be added to search engines.
So, the definition of this feeling is made for the spam blog.

Hatena - What is Spam Blog?

Those without any mention of bloggers about them while posting enormous amount of keywords meaninglessly not having a sense of cohesiveness, for the purpose of earning visitors via search engines.

Spam blog (Spam Weblog): RBB TODAY (broadband dictionary)
http://dictionary.rbbtoday.com/Details/term3277.html

It is an annoying blog that is automatically generated by software for the purpose of displaying advertisements and directing them to specific sites. It can be said that it is a blog version of spam mail (SPAM mail).
As the number of blog users increases, the number of spam blogs is also increasing. For the purpose of increasing the number of visitors via the search engine, spam blogs are embedded in large quantities of only meaningless keywords or copied and used sentences from other blogs without permission. It is an annoying blog that uses the function as the original blog, such as the purpose only to display advertisements or the purpose of guiding to a specific site.

That's why there are so many spam blogs.

Also, Ping sent to blog search engines such as Technorati, 60% spam. It is already a mess.