Starting on April 29th, 2016, we are now also offering an extended keyword index for the UK index – uk.sistrix.com.
In addition to the 1 million keywords that we monitor and save every week on the google.co.uk index – these keywords constitute the common (historic) keyword database – we now have over 11 million additional keywords, that we monitor at least once a month.
You can find additional information on the differences between the common- and extended-database in our FAQ: What is the difference between the extended and the common keyword database?