关键字选择工具列表：
</br>
四、keyworddiscovery的关键字工具
keyworddiscovery号称它的搜索数据来自全世界200多个搜索引擎，包括下面这些：
* Google
* Altavista
* Yahoo
* Yahoo Groups
* DMOZ
* MSN
* AllTheWeb
* Teoma
* Simpli
* Slider
* Enhance
* 7Search
* GoClick
* Miva
* go2net.com
* Kanoodle.com
* Overture.com
* Search123.com
* 7metasearch.com
* SearchFeed.com
* Xuppa.com
* Amazon.com
* Alltheinternet.com
* Advancedsearchbar.com
* Snap
* Mysearch.com
* Alexa
* HotBot
* Ask.com
* Netscape
* hp.netscape.com
* SearchIt
* Wisenut
* Lycos
* SiteSearch
* Wisenutbot.com
* RealSearch.net
* Findtarget.com
* Peoplepc.com
* Klikfeed.com
* Towersearch.com
* AOL
* Freefind.com
* Entireweb.com
* Livesearching.com
* Scrubtheweb.com
* all-websearch.com
* Mamma
* Searchhippo.com
* encarta.msn.com
* Deepindex.com
* Comcast.net
* Ixquick.com
* Searcheurope.com
* ExactSeek.com
* Information.com
* Dogpile
* Izito.com
Japan
* Yahoo JP
* MSN JP
* Google JP
* excite.co.jp
* goo.ne.jp
Netherlands
* MSN.nl
* Vinden.nl
* Wanadoo.nl
* Zoeken.nl
* Kelkoo.nl
* Google.nl
* DeTelefoongids.nl
* Linkotheek.nl
* Linkspot.nl
* Favoos.nl
* Webaapje.com
Australia
* NineMSN.com.au
* girl.com.au
* femail.com.au
* Citysearch.com.au
* Ebay.com.au
* Seek.com.au
* Anzwers.net
* Anzwers.com.au
* AOL.com.au
* Yahoo Australia
* Google.com.au
New Zealand
* Google.co.nz
* XtraMSN.co.nz
* Yahoo Australia & New Zealand
Sweden
* Google.se
* Sokmotor.biz
* Eniro.se
* MSN.se
Canada
* Msn.ca
* Google.ca
* Netscape.ca
Germany & Austria
* Google.de
* MSN.de
* Lycos.de
* Google.at
* Kelkoo.de
* Fireball.de
France
* Google.fr
* MSN.fr
* Sympatico.msn.ca
* Lycos.fr
* Aol.fr
* Kelkoo FR
* Voila.fr
* Excite.fr
* MSN.be (french)
* Kelkoo.be
* Yahoo.fr
Belgium
* Google.be
* MSN.be
* search-belgium
Switzerland
* Google.ch
* MSN.ch
Denmark
* Google.dk
* MSN.dk
* Eniro.dk
Finland
* Google.fi
UK
* Google.co.uk
* Google.ie
* MSN.co.uk
* Searchanything.co.uk
* Ask.co.uk
* Kelkoo.co.uk
* Blueyonder.co.uk
* UKirectory.co.uk
* Excite.co.uk
* Wanadoo.co.uk
* Yahoo.co.uk
Italy
* Google.it
* MSN.it
* Lycos.it
* Supereva.it
* Yahoo.it
Czech Republic
* Seznam.cz
* Centrum.cz
* Atlas.cz
* Quick.cz
* Zoohoo.com
* Toplist.cz
* 1.cz
* Centrum.cz (Morfeo)
* Volny.cz
* Centrum.cz (Fulltext)
Russia
* Yandex.ru
* Google.ru
Spain & Mexico
* Google.es
* MSN.es
* latam.msn.com
* t1msn.com.mx
Israel
* Google.co.il
* MSN.co.il
South Africa
* Google.co.za
* MSN.co.za
India
* Google.co.in
* MSN.co.in
Norway
* Google.no
* Eniro.no
Miscellaneous
* Google.mu
* Google.lt
* Google.ae
* Google.hn
* Google.as
* Google.cl
* Google.lu
* Google.co.ve
* Google.co.vi
* Google.co.kr
* Google.ro
* Google.co.id
* Google.co.hu
* Google.sk
* Google.pl
* Google.pt
* Google.co.th
* Google.hk
* Google.com.br
* Google.com.ar
哈哈，实在是太忽悠了，因为搜一下“china”它仅有218803个搜索结果，好像连wordtracker的混合搜索数据都不如，它没有明说这是一个月的搜索数据，但是它的查询结果旁边有一个推广的广告这么说“In the full version of KeywordDiscovery you can view a complete 12 month search history to identify search trends.”（在完整版的KeywordDiscovery中你将能看到全部12个月的搜索历史以把握搜索的趋势），说明它提供的查询数据应该是一个月搜索量。
