Database ((link)) - Backlink

Stores the pages on the user's site receiving links. | Field Name | Data Type | Description | | :--- | :--- | :--- | | id | INT (PK) | Unique Identifier | | url | VARCHAR(2048) | Full destination URL | | page_title | VARCHAR(255) | Meta title of the page | | target_type | ENUM | Homepage, Blog Post, Product Page |

A query layer that flags potentially harmful backlinks. backlink database

A backlink (or inbound link) is a hyperlink from one website to another. Search engines view backlinks as "votes of confidence." To analyze these votes at scale, SEO professionals rely on backlink databases—proprietary indexes maintained by tools like Ahrefs, Semrush, Majestic, and Moz. Stores the pages on the user's site receiving links

| Limitation | Explanation | | :--- | :--- | | | Pages blocked via meta robots or X-Robots-Tag are never crawled. | | Login Walls | Links behind authentication (private forums, paywalls) are invisible. | | JavaScript Rendering | Links injected dynamically via JS after page load are often missed (though modern tools like Ahrefs use headless browsers). | | Internal Links | Most databases exclude internal links (linking to self) as they are not "backlinks." | | Freshness Lag | Average lag between a link going live and appearing in a database: 48 hours to 2 weeks. | Search engines view backlinks as "votes of confidence