In Onpage > Analysis > Overview it is shown that more pages were found than crawled
The URL limit for the Onpage Analysis is set to lower value than amount of found pages.
Log in to suite.xovi.net
navigate to Onpage > Analysis Manager and open the affected Onpage Analysis by clicking the link in column Start-URL
go to CHANGE SETTINGS AND RECRAWL and open tab MORE OPTIONS
In the field Max. crawled URLs enter at least the amount of found pages
click START ANALYSIS WITH NEW SETTINGS
When an Onpage Analysis is created while using a Test Account, the URL limit is capped to 50 URLs. After the account is upgraded the URL limit for already existing Onpage analyzes has to be adjusted manually.