Wordtracker Or Google Adwords Tool
Posted 12 March 2009 - 03:57 PM
I'd recommend sticking with one, and just using it by percentages than actual hard numbers.
Posted 12 March 2009 - 09:24 PM
Wordtracker (still I believe) pulls it's numbers from Dogpile and Metacrawler and then does some extrapolation calculations. While those two SEs only account for ~1% of US search volume they do pull from a variety of sources: Dogpile (Google, Yahoo!, Live Search, and Ask), Metacrawler (Google, Yahoo! Search, MSN Search, Ask, About, MIVA, LookSmart, et al).
What this means is that Wordtracker is great for the following:
* the results are search weighted not ppc weighted.
* the relative relationships between keywords are quite good.
* those not fixated on Google.
It also means that it is not great for:
* differentiating by SE, demographics, etc.
* precise numbers.
There Google AdWords Tool is great for:
* the results are ppc weighted not search weighted.
* targeting ppc keyword value for AdWords or AdSense.
* those fixated on Google.
Personally, if I were a keyword tool user (I am not) I would lean more towards Keyword Discovery (paid service with minimal free usage). But if you want 'free' then Wordtracker or GAWT are both usable depending upon requirements. Just do not take their results literally.
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