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
Domains are classified using a proprietary taxonomy of 58 web filtering categories designed for content filtering, firewall policy enforcement, and compliance. View the complete Web Filtering Taxonomy or see the Web Filtering Categories Reference for detailed descriptions.
| Field Name | Data Type | Description | Example Value | Notes |
|---|---|---|---|---|
| Web Filtering Category | string | Content category for web filtering and security policy enforcement. One of 58 predefined categories | Search Engines & Platforms | Never null. See Web Filtering Taxonomy for the full list of 58 categories |
IAB Taxonomy
Domains are mapped to both IAB Content Taxonomy v2 and v3, with up to four tiers of classification depth. View the complete taxonomies: IAB v2 Taxonomy | IAB v3 Taxonomy | IAB Categories Reference
| 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. See IAB v2 Taxonomy |
| 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. See IAB v3 Taxonomy |
| 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", "100001-500000", "500001-1000000", "1000001-5000000", "5000001-10000000", "10000001-50000000". Available for domains present in the CrUX dataset (~15 million root level domains) |
| 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 for domains present in the CrUX dataset (~15 million root level domains) |
File Format
CSV, UTF-8 encoded, comma-delimited. First row contains column headers.