Keyword Tool. Are you sure you have all your keywords that are in your keyword tag on your page? How many times do you have each keyword? not sure want a easy way to find out, then use this keyword tool it will tell you.
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Using this keyword tool you can:
Whats the best way to place keywords in the Meta Tags
When you add text to your Title Tag you should try and place your main keyword for the page first in the tag, this will help to tell search engines that this is your main search term and that this is what the page is about. The Title Tag is probably the most important tag on a page and should not be longer than 70 characters, this is what your visitors will see on search engines so make sure that it grabs there attention and is a accurate account of what your page is about.
The Description Tag should also have your main keyword in the tag if you can use it in the beginning of the tag its better and make sure that most of the text comes from the page, sometimes what I do is copy a section of the page and fit the main keyword in that way the words that are in it are also on the page this helps as it should be what the page is about. You can use up to 160 characters. Make it interesting as when visitors read this on search engines you want them to be interested and click your link, not the other links on the search engine.
The keyword tag, Google does not use it anymore but other search engines might still use it, place your most important keywords first followed by the least important this could help in other search engines, another thing check your site in a few different website analysis tools to get a better idea on how to best optimise your site.