Immowelt
Data Extraction Engine
Production-grade data ingestion engine for Immowelt. Zero WAF bans, strict noise elimination, and verified SQLite delivery on demand.
⚙️ Enterprise Scraper Architectural Telemetry & Perimeter Audit
HOST: immowelt.de | RECON: VERIFIED| Audit Domain | Detected Infrastructure & Perimeter Telemetry | Production Pipeline Countermeasure |
|---|---|---|
| Anti-Bot & Perimeter Defense |
DataDome Bot Protection
Google reCAPTCHA
CloudFront Lambda@Edge
TLS 1.3 JA4 Inspection
Usercentrics Cookie Gating
|
Automated DataDome puzzle/slider solving and session state orchestration retaining active datadome cookies. TLS 1.3/JA4 fingerprint alignment through German residential proxy pools, bypassing CloudFront Lambda@Edge blocks. |
| Web Serving & Cloud Infra |
Amazon Web Services (AWS PaaS)
Amazon CloudFront CDN
Lambda@Edge Compute
Priority Hints Optimization
|
High-throughput asynchronous distributed crawler cluster querying origin German edge endpoints with low-latency TCP keep-alive, intelligent exponential backoff, and localized worker distribution. |
| Frontend Architecture & Hydration |
React UI Engine
Webpack Module Federation
Emotion CSS-in-JS
React Router Hydration
|
Deterministic extraction pipeline pulling listing details, rental components, room breakdowns, and contact attributes directly from server-rendered DOM and micro-frontend JSON payloads without headless browser rendering lag. |
| Telemetry, Analytics & Marketing |
Google Tag Manager
Datadog Real User Monitoring (RUM)
Contentsquare & Kameleoon
Statsig & Qualtrics
Taboola & Criteo Ad Stack
|
Synthetic request sterilization stripping Datadog RUM beacons, Contentsquare user telemetry, Statsig feature flag pings, and ad beacons, saving up to 70% network bandwidth. |
| Content Architecture & Data Model |
German Residential & Commercial
Kaltmiete, Warmmiete & Nebenkosten
Energy Class (A+ - H) & Certificate
Wohnfläche (m²) & Zimmer
Immowelt Online-ID & Agency Contact
|
Multi-pass parser normalizing German PLZ postcodes, financial number formats (comma/dot), room counts, energy pass efficiency, and agency details into structured relational SQLite tables. |
| Extraction Feasibility & SLA |
Bypass Grade: Enterprise A+
Throughput: 150+ req/sec
Zero Shallow Sampling
Turnkey SQLite Delivery
|
Continuous monitoring with automated regression testing, daily delta tracking across German Bundesländer, SHA-256 deduplication, and free sample validation prior to milestone billing. |
Our ingestion pipeline parses and normalizes the following structured attributes from Immowelt scraper into pre-indexed SQLite tables:
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B2B Feasibility & Extraction Intake
KeywordBarrage operates fully-managed enterprise data pipelines. We do not sell scripts, source code, or scraping bots. We engineer the WAF bypass, execute the infrastructure, and deliver verified, production-ready datasets directly to your team. Minimum project engagement starts at 1,500 USDT (TRC20 / BEP20 / ERC20).