Here is the list of all online services that I know of which you can use to track your keyword ranking on Google.
- seorankmonitor.com
- serpbuddy.com
- zoomrank.com
- sescout.com
- authoritylabs.com
- kpmrs.com
- serptracker.org
- keyword-tracker.co.uk
- raventools.com
- keywordenvy.com
If course there is also ManageWP (with Business package) which is one of the most affordable ones and comes with whole range of other goodies as well included in the price.
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