You can configure additional options, disable duplicates removal in the specified links.
Or enable, but remove only by domain name or by exact match. These settings will be useful, for example, when the commenting mode is enabled.
In addition here you can disable cms checking, but in this case for each specified resource you need to specify a specific cms, in manual it is done - for a long time, we will tell you about the nuances of this option separately, in another chapter, where we will talk about the utility "Checker cms».
Additionally, you can calculate the number of resources which you specified in the base, remove duplicates using the "remove duplicates" button, this option removes duplicates by the domain name.