Compliant Web Scraping & Data Pipeline Engineering
Build Ethical, Resilient, Production-Ready Data Extraction Systems
This site is a practical field guide for teams building web data pipelines with compliance and operational stability as first-class requirements. It combines legal constraints, engineering patterns, and implementation examples so every crawl can be defended technically and procedurally.
Eighty-five guides across four sections take a request from the authorisation decision that permits it, through polite pacing and resilient transport, into parsing, validation and deduplication, and finally into storage that can honour a retention limit and an erasure request months later. Every page carries production code, worked failure modes, and diagrams of the decisions that matter.
Start with a section below, follow the topics inside it, and use the breadcrumbs and related links on each page to reach the in-depth guides.
New in this release
Compliance & Ethical Crawling Foundations
Authorisation, published rules, pacing, identification and the handling of personal data — the decisions that make a crawl defensible.
Network Resilience & Proxy Management
Retries, circuit breaking, session and connection management, egress selection, challenge handling and politeness-aware scheduling.
Data Parsing & Transformation Pipelines
Decoding, selectors, structured markup, nested payloads and the validation gate that decides what reaches storage.
Pipeline Storage, Deduplication & Monitoring
Durable sinks, deduplication, retention and erasure, incremental recrawling, and the metrics that show a crawl is still welcome.