Will my Tradespace blogs get read by Google and other search engines?

Why is there no box or field to enter keyword tags to support my blogs? Are they needed or should I just write keywords into my blog copy and hope that they are found by Google and the other search engines? And please, no wise cracks about me being a clairvoyant and that I should know the answer, etc.,!
 
silly I’m unsure
Inappropriate?
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