mcluna - 8:48 pm on Sep 15, 2009 (gmt 0)

"check? Top 10? 30? 50? 100? "

It depends on your goals.

A. If you're looking to track your primary traffic driving terms to monitor changes in the indexes and your own page tweaks, then you likely only need to look at a core group of terms in the top 20.

I agree with LtS: "I've found it useful for monitoring the effect of changes both to content and site structure."

B. If you're targeting certain types of terms that are sitting out beyond page 2, then you may want to check positions up to 100 or even 150 if you're making strategic efforts either across your content, structure or via linking efforts.

While you might not see traffic with a positional move from 75 to 45, it's good to know your moving down the right path.

Either way, you should never need to check positions for all your terms up to 100. Small representative sets should always do the job.

thanks