It depends on competition levels of your keywords. Also consider optimizing your landing-page with those keywords because quality of your landing page matters a lot in order to display in the sponsored results!
Long tail can be good if your land page is optimized and speaks to the long-tail keywords. Unfortunately you will most likely not get good traffic if keywords don't represent a large enough niche.
and what about direct linking to vendor site does it cost me more then building a landing page of my own
Depend on keywords searches, if keywords searches is good for long tail keywords then used long tail keywords.
Its a good reply AustraliaSEO..But here i think the question is for SEO based keywords..So it doesnt matter in Sponsored links.. And keyword selection is something that to be done with respect to pagfe and conversion basis...It depends on the website that how the the keyword is suitable for the website...Long tail keywords are easy for ranking in certain cases where the competition is less..but the search volume is less...And for short tail the competition is high as we know...According to weightage of the factors make selection of keywords...
The keywords should be precise and relevant, whether it is long or short it does not make a huge difference but generally it is seen that in long tail keywords the competition is less with higher search volume. The main thing to be kept in mind while choosing the keywords is that the chosen keywords should bring results with high future ranking.
what is this logo key phrases versus short tail key phrases - both search engine optimizers ball out keywords and short tails behind them - the long tail search words and key phrase high density search engine optimization efforts you inquire to help promote your websites on site SCO or search engine optimization is crucial for search engine relevancy
It depends on the searches. And the niche you target at can also be a factor in this. Our stie is about seasonal keywords and we find that it is more beneficial for us to target at long tail keywords.