Lukas Wojcik

Web developer, digital analytics consultant & music producer

Hi, I'm Lukas. I've been online since 1998, and building things has stayed with me since my first website. These days I develop my own web projects and small tools that make technical tasks easier. When I take a break from code, I make music.

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About me

Ever since my first website, I've wanted to understand how things work behind the scenes. That curiosity led to online communities, web applications and eventually my career. I've worked in digital analytics consulting since 2013. Alongside that, I develop and run my own projects with Node.js, Python and PHP. I enjoy the whole process: thinking through an idea, getting it working and improving it as people use it. This site brings together my projects, technical notes and a few of my other interests.

Expertise

Web development with Node.js, Python and PHP
My own web applications, from idea to operation
APIs, automation and backend architecture
Cloud, IoT and smart home
Digital analytics as my professional focus
Agency experience since 2013 · online since 1998

Toolbox140+ tools

Check. Calculate. Get things done.

More than 140 tools for the web, data, networks and music production. Describe what you want to do – AI helps you find the right tool.

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For example

Go beyond reading. Try it yourself.

What changes when you adjust a setting? Three experiments make technical relationships visible.

A cache timelineOpen experiment →Wi-Fi meets ZigbeeOpen experiment →LLM vs memory budgetOpen experiment →

Or get a task done directly →

Explore

Ready for an aha moment?

Find a bug, simulate a network outage or explore my early internet years. Small exercises connect my articles with useful tools.

What happens if …? →Find the hidden problems →My internet time machine →

Explore everything →

Learn by trying

Two projects. Two jobs for your website.

Choose a building block and discover why I build it.

Your website

Stats4U

Stats4U helps understand how a website is used. I have been building it since 2006.

Visit project ↗

This overview explains project roles. It does not imply an automatic integration between services.

A little more about me

Ideas that people can use

I like seeing a small idea become something people actually use. Stats4U has been with me since 2006. Today, I also work on getSend, MousePlayer and reactive.chat – each with its own story.

Get to know my projects

There is always room for music

Music has been part of my life since 2007, from producing and playing in Vienna clubs as Extesizer to LukyDeluxe in 2026. Older, unreleased pieces are getting a new home as Extesizer Tribute versions.

Listen to LukyDeluxe

From Vienna to Łódź

I moved from Vienna to Łódź for personal reasons: to build a house. I took my work with me and continued working remotely. The curiosity that brought me online in 1998 stayed with me. Here, I share the projects, experiences and discoveries that came along the way.

More about my journey