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1, judge their own keywords whether to do bidding
You can tap your own keywords in Baidu, if the home is to do the bidding, indicating that the word has commercial value. As the saying goes, no profit early, some enterprises will not unreasonable waste of money to do bidding.
2, see Baidu's crawl page number
"SEO optimization" by Baidu grabbed 4,080,000 (search engine for SEO site is not very friendly, the word before this is Baidu included more than 5 million), this figure shows that the strength of the competition can also, belong to the medium intensity, generally in the 100w>500w belong to moderate intensity,
500w>1000w belongs to advanced strength, more than 1000W is the special strength, note: This strength classification generally for Baidu, (the same keyword Google more than Baidu included).
3, look at the key words crawled page directory
If your keyword is included in the hundreds of W, but is most of the crawl is a level two directory or more than two pages, then this keyword competition is not very large, included more than the word is only a lot of attention
These three are complementary, analytical strength to be considered in many ways. If a word is included in the top-level directory and the page more than hundred W and do a lot of bidding, that fully explain the strength!