Top-level domains (abbrev. “TLD”/”TLDs”) are a significant indicator for the representativeness of the data, whether the data set or particular crawl is biased towards certain countries, regions or languages.
Metrics about top-level domains are show on the following pages:
Note, that top-level domain is defined here as the left-most element of a host name (
www.example.com). Country-code second-level domains (“ccSLD”) and public suffixes are not covered by this metrics.