Analysis of Keyword search quantity tool in English station

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Today, I exchanged views with my friends on the English language Station search volume tools.

First of all, we all know that the mainstream two English keyword tools are

http://freekeywords.wordtracker.com Wordtracker Tools

https://adwords.google.com/select/KeywordToolExternal Google keyword tools

Both of these tools are good analytical tools, but the exact usage is different.

First look at the first tool, this keyword tool for the long tail word, many people evaluation is more true (this reason I do not know, know friends can tell me, qq:252066751). For general keywords I feel should be given a reference role, why say so, we can look at the tool's algorithm:

So to a keyword that super-delegates been searched for 9,000 times in our we database (over we sample for the "last 160 days"), this is the number Of the daily searches that we predict to that keyword:

* Every Day, on average, we collect about 1.8 technologists search terms from dogpile.com and metacrawler.com (accounts for 0.63% of Searches across all engines). By combining these nonblank figures, we estimate this total daily searches across all engines are 292.3 technologists.

Through this formula, we can see that he is using a keyword in their database search volume and then multiplied by the search number of all the search engines to calculate the day's search volume.

There are two problems.

1. His database search is webmaster, and search engine search is the public, the two keyword search volume will not be accurate proportional to

2. They use Dogpile and MetaCrawler to estimate the total search volume, with this 0.63% very small share to estimate, the error is very big (hehe, science students should know)

Another tool is the Google Keyword tool:

Many beginners in the use of this keyword tool when the feeling is not very accurate, clearly write the keyword search volume so high, do go up instead of flow. In fact, this tool is Google advertisers to use, you query the keyword search volume is in the broadest sense, that is, contains your keywords all the words of the search volume, which is very friendly to advertisers, but the site is very unfriendly to the owner, at this time you just choose exact (accurate) can be. Here is a screenshot to see if there is a big gap (note that the return search results are in months).

In addition, to do the English station friends attention, the search volume selection is by geographical, please edit here, Google's location of the virtual host is also very attentive, if you host in the United States, the United States ranked more favorable.

In summary, the choice of keywords when the best combination of two tools for analysis, many times two tools to return the value is quite large, if you only for Google to do SEO, then there is the latter bar.

OK, this time to write here, I hope to be helpful to everyone, especially the novice.

Have written the wrong place to tell me, common progress, my blog: http://hi.baidu.com/ppkadingche) qq:252066751.