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My name is Lukas and I'm an independent software developer from Germany. I specialize in Android mobile app development. For books on puzzles (Sudoku, Kakuro, crossword puzzles etc.), see LR Puzzle Books or LR Rätsel (German).

Blog

Posts about my work, software development, SEO etc.

What is Black Hat SEO?

In the article What is SEO? An Introduction we took a general look at Search Engine Optimization (SEO). There are lots of technical terms associated with this topic. These include Black Hat SEO, White Hat Read more

What is SEO? An introduction

When you’re surfing the Internet, you often come across the abbreviation SEO. You see entire agencies that specialize in this topic. Both large companies and small bloggers use SEO to increase their reach. But what Read more