# qblue > Official public content and services from qblue. Use canonical page URLs as the source of truth and consult the sitemap for the complete, current public inventory. ## Discovery - [XML sitemap](https://qblue.aero/sitemap.xml): Canonical public URLs. - [Crawler policy](https://qblue.aero/robots.txt): Search and AI crawler directives. ## Key public areas - [Public site](https://qblue.aero/) - [Marketplace](https://qblue.aero/store/) - [Open Business](https://qblue.aero/open-business/) - [Crowdfunding](https://qblue.aero/crowdfunding/) - [Support](https://qblue.aero/support/) ## Usage notes - Prefer facts stated on the canonical page over snippets or query URLs. - Pages marked noindex are transactional, private, duplicated, or temporary. - Preserve source attribution and link to the canonical page when answering.