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Whitelisted Domains

License key activation is required to use the Smart Tabs Pro plugin. According to our license terms, a customer can activate the license key on the live site(s) specified in their package. The question arises: Is it possible to use the license key in under-construction sites simultaneously? 

The answer is yes. Before using the plugin on the live site or along with the live site, a customer can activate the license on some under-construction sites where the license activation will not be counted. See the List below:

  • localhost
  • 10.0.0.0/8
  • 172.16.0.0/12
  • 192.168.0.0/16
  • *.dev
  • *.ddev.site
  • *.test
  • .*local
  • dev.*
  • staging.*
  • staging-*.
  • *.stage.site
  • *.wpstage.net
  • *.staging.site
  • *.wpengine.com
  • *.preview-domain.com
  • *.wpenginepowered.com
  • *.mystagingwebsite.com

Sub-domain or multisite: If you are using a subdomain in the same WordPress installation as a WordPress multisite, then you can use the plugin on both the main site and that subdomain site. If you are using a different installation of WordPress for a subdomain, then you can’t use a single site license for that subdomain. In this case, you have to buy a new single-site license for that subdomain.

Updated on July 17, 2025