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Article series

Articles that build on each other, in reading order.

Home Assistant without the cloud

6 published

  1. Zigbee2MQTT vs. ZHA: Building a Highly Reliable Mesh Network in Home Assistant
  2. ESPHome and ESP32 in Practice: Building Cloud-Free Environmental Sensors
  3. Presence Detection 2.0: mmWave Radars (LD2410/LD2450) in Lighting Automation
  4. Local Voice Control in Home Assistant with Whisper & Piper
  5. WireGuard & Tailscale DMZ: Secure External Access to Home Assistant and Self-Hosted Servers
  6. Local Energy Management: Integrating PV Inverters and Battery Storage via Modbus TCP

Linking Google Business Profile to GA4: The Seven Metrics

Since 8 June 2026 a Business Profile can be linked in the GA4 admin, and Analytics builds a report collection for it on its own. Six of the seven metrics describe actions that never reach the website, and three limits decide what can be done with them.

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Geo-Location Testing: Viewing a Website From Another Country via VPN or Cloud VM

Modern websites frequently alter their behavior based on the visitor’s location. From displaying strict GDPR consent banners in Europe to showing localized pricing or completely different content, Geo-Location rules are a fundamental part of web development. Testing these rules accurately, however, can be tricky. Here is how to efficiently test website localization from anywhere in […]

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Top 3 best WordPress Gallery Plugins: A Comparison and Review

Visual content is a foundational element of modern web design. A high-quality gallery plugin ensures that images are displayed beautifully without compromising website loading speed or user experience. Based on community feedback and aggregate user reviews, the following comparison highlights the top WordPress gallery plugins currently available. 1. Envira Gallery Envira Gallery is highly regarded […]

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Speed Up a WordPress Site with Lite Page Cache

For anyone running a WordPress site, speed is everything. A slow-loading website frustrates visitors, hurts search engine rankings, and decreases conversions. While there are dozens of caching plugins available in the WordPress repository, many of them are bloated, complex, and filled with features that may never be needed. Sometimes all it takes is a simple, […]

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SEO and GEO (Generative Engine Optimization): How AI Search Changes Optimisation

The digital landscape is undergoing its most profound structural shift since the inception of the commercial web. With the introduction and expansion of AI-driven search experiences—such as Google’s AI Overviews—the traditional mechanics of information retrieval have been fundamentally altered. Search engines are transitioning from indexing directories that point to external websites into autonomous answer engines. […]

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Data Privacy

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Digital Analytics

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Raspberry PI

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About my Blog (LukasWojcik.com): Technology, Analytics, and Digital Security

This platform is dedicated to exploring the complex intersection of modern technology, Data Analytics, and Digital Privacy. In an era where data structures drive critical decisions, understanding the technical nuances of web analytics, tracking methodologies, and strict compliance frameworks—such as GDPR and Consent Mode v2—is absolutely essential. The articles published here provide in-depth, technical analyses of data collection mechanisms, privacy-first architectures, and industry best practices for maintaining absolute data security in a digital-first environment.

Beyond the digital landscape, the content deeply delves into the physical realm of home automation and physical security. Comprehensive guides and technical reviews cover the latest advancements in Smart Home ecosystems, intelligent climate control, automation protocols, and advanced CCTV surveillance systems. From configuring local network security and firewalls to integrating IP cameras and IoT (Internet of Things) devices seamlessly, the primary focus remains on engineering efficient, highly secure, and future-proof technological environments.

Whether the objective is researching the technical implications of the latest ePrivacy regulations, architecting local automation routines, or optimizing robust data analytics frameworks, this website serves as a comprehensive, well-researched resource for technology professionals, developers, and security enthusiasts.