Overview of 2-UA crawlers and fetchers (user agents)
| Crawler | Role | USER AGENT STRING |
|---|---|---|
| 2-UA Competitor bot | User agent for competitor snapshots (robots.txt-aware) |
Mozilla/5.0 (compatible; 2-UAcomBot/1.0; +https://2-ua.com/support/robots)
|
| 2-UA Page audit | User agent for online page audit checks |
Mozilla/5.0 (compatible; 2-UA-PageAudit/1.0; +https://2-ua.com/support/robots)
|
| 2-UA Mobile bot | Mobile monitoring bot |
Mozilla/5.0 (compatible; 2-UAcomBot-Mobile/1.0; +https://2-ua.com/support/robots)
|
| 2-UA Schema Validator | Schema.org free validator fetcher |
Mozilla/5.0 (compatible; 2-UA-SchemaValidator/1.0; +https://2-ua.com/support/robots)
|
| 2-UA Robots Validator | robots.txt free validator fetcher |
Mozilla/5.0 (compatible; 2-UA-RobotsValidator/1.0; +https://2-ua.com/support/robots)
|
| 2-UA llms.txt Validator | llms.txt free validator fetcher |
Mozilla/5.0 (compatible; 2-UA-LlmsTxtValidator/1.0; +https://2-ua.com/support/robots)
|
| 2-UA Web MCP Validator | Web MCP free validator fetcher |
Mozilla/5.0 (compatible; 2-UA-WebMCPValidator/1.0; +https://2-ua.com/support/robots)
|
| 2-UA Vulnerability Audit | Security audit scanner user agent |
Mozilla/5.0 (compatible; 2-UA-VulnerabilityAudit/1.0; +https://2-ua.com/support/robots; +safe-passive-scan)
|