choosing keywords for what? Honestly you should start by making more efforts in writing your question because at this stage it looks ridiculous.
make use of google adwords keyword tool which will give you complete idea about which keyword has how much searches per month in google.
Just go to Google adwords & get some competitive keyword & after that According tom your site make some long tail keyword This will ranked more faster than competitive keyword & also give your site some traffic.because if you think like a normal man you type long tail keyword on Google to get more relevant information.
You can use Google adwords for keywords..put your website keyword..then Google will give list of competitive keywords .choose best helpful keywords for your site...
Main thing when going to search keyword is that "Competition should be less and searches should be more of that keyword".
Use google keyword tool to get some cool HINTS.Using this tool you can also establish existing competition for the targeted keyword.
Try Google Insight , Google adwords before that just have a look at your competitors and brain storming tooo
Keyword research is key Find you niche / business idea, research some keywords, create a domain with a keyword in the name. plan a site, research your keywords, study the competition, see what keywords they are using, make your own mix both single and long-tail keywords.
You're question is incomplete.If you just want to know how to check keywords then just use google keyword tools or use seocockpit.
I prefer semrush to research best keywords, high and low competitive both. It's much better in terms of suggestions in compare with GA.
Yes, I agree. Your question is too vague. Are you looking for tips on how to do keyword research? It would be to your benefit to also tell us what niche you're looking at to get keywords for. I suggest that before you begin your keyword search, do market research first. This will give you a good idea of what are the commonly used keywords in a niche.
Get market samurai to check keywords and get traffic travis to check competition. Both have free version.