Field Reference
All fields are included in every database tier (5M through 102M). The difference between tiers is the number of domains covered, not the fields available.
Core Fields
| Field Name |
Data Type |
Description |
Example Value |
Notes |
| Domain |
string |
The fully qualified domain name |
google.com |
Primary key. Always lowercase, no protocol prefix or trailing slash |
Web Filtering
| Field Name |
Data Type |
Description |
Example Value |
Notes |
| Web Filtering Category |
string |
Content category for web filtering and security policy enforcement. One of 43 predefined categories |
Search Engines & Platforms |
Never null. See Web Filtering Categories Reference for full list |
IAB Taxonomy
| Field Name |
Data Type |
Description |
Example Value |
Notes |
| IAB v2 Tier 1 Category |
string |
Top-level IAB Content Taxonomy v2 category |
Technology & Computing |
Never null |
| IAB v2 Tier 2 Category |
string |
Second-level IAB v2 subcategory |
Computing |
May be empty if domain only maps to Tier 1 |
| IAB v2 Tier 3 Category |
string |
Third-level IAB v2 subcategory |
Internet |
May be empty |
| IAB v2 Tier 4 Category |
string |
Fourth-level IAB v2 subcategory |
Search |
May be empty. Most granular v2 classification |
| IAB v3 Tier 1 Category |
string |
Top-level IAB Content Taxonomy v3 category |
Technology & Computing |
Never null |
| IAB v3 Tier 2 Category |
string |
Second-level IAB v3 subcategory |
Computing |
May be empty |
| IAB v3 Tier 3 Category |
string |
Third-level IAB v3 subcategory |
Internet |
May be empty |
| IAB v3 Tier 4 Category |
string |
Fourth-level IAB v3 subcategory |
Search |
May be empty. Most granular v3 classification |
Enrichment Data
| Field Name |
Data Type |
Description |
Example Value |
Notes |
| Personas |
string |
Semicolon-separated list of buyer/user personas likely to visit this domain |
Full Stack Developer; SEO Expert; Data Scientist |
Semicolon-delimited. May contain 1-10+ personas. Useful for audience targeting |
| OpenPageRank |
float |
Domain authority score from the Open PageRank initiative, indicating the domain's relative importance on the web |
10.0 |
Range: 0.0 to 10.0. Higher values indicate more authoritative domains. Null for domains without sufficient link data |
| Country |
string |
Primary country associated with the domain, based on registration data, hosting location, and content analysis |
United States |
Full country name in English. May be empty for domains with indeterminate geographic association |
Popularity & Ranking (Available in select database tiers)
The following fields are derived from the Google Chrome User Experience Report (CrUX) dataset, which reflects real-world browsing patterns from Chrome users worldwide.
| Field Name |
Data Type |
Description |
Example Value |
Notes |
| Global Popularity Rank Group |
string |
Global popularity ranking bracket based on CrUX browsing data. Domains are grouped into rank ranges |
1-1000 |
Values: "1-1000", "1001-5000", "5001-10000", "10001-50000", "50001-100000", etc. Available in 5M database tier |
| Country Level Popularity Rank Group |
integer |
Popularity rank within the domain's primary country based on CrUX data |
1000 |
Numeric rank. Lower values indicate higher popularity within the country. Available in 5M database tier |
Last Updated: March 2026