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eTLD+1

This is a simple widget to parse a domain or URL into its parts, such as TLD (based on the public suffix list), and eTLD+1.

foo.example.com

  • Subdomain: Additional domain levels before the registrable domain
  • SLD: Second-level domain (registrable name, e.g., google)
  • TLD (Public Suffix): Top-level domain as registered in the PSL. Cookies CANNOT be set for this part alone.
  • eTLD+1: Effective TLD + 1 level (registrable domain. AKA Site).