Knowledge

Dive deep into digital concepts: technology, web design, programming, security and more. Thorough editorial articles about the digital world.

Favicons

Learn what a favicon is, its evolution since 1999, technical best practices and curiosities.

QR codes

Discover the origin of QR codes, how they work, their current applications and curiosities about this technology.

Password security

Learn how digital passwords work, their history, best security practices and surprising curiosities.

SEO: search engine optimisation

Learn how SEO works, its evolution since the 90s, basic and advanced techniques, and curiosities about web ranking.

Legal texts on the web

Understand privacy policies, legal notices and cookies: their origin, why they are mandatory and how to write them correctly.

Lorem Ipsum and placeholder text

Discover the origin of Lorem Ipsum, why it is used in design and layout, and how to generate appropriate placeholder text for any project.

Markdown: the lightweight text format

Learn everything about Markdown: its creation, basic syntax, variants and why it has become the writing format of choice for developers and technical writers.

Typography and text counting

Discover the history of typography, why word count matters in professional writing, and best practices for digital texts.

Word search puzzles

Discover the origin of word search puzzles, the cognitive benefits of solving word puzzles and how to create them for learning and entertainment.

Mathematics and mental arithmetic

Learn the history of mental arithmetic, basic and advanced techniques, the cognitive benefits of practising mental maths and its real-world applications.

Uppercase and lowercase letters

Discover the history of uppercase and lowercase letters, typographic conventions and best practices for writing, SEO and programming.

Image Optimization

Learn about image compression, JPEG, PNG, WebP and AVIF formats, and best practices to improve web performance and SEO.

Encryption & Cryptography

Discover the history of cryptography, from the Caesar cipher to AES-256, common mistakes and educational applications of classical ciphers.

Color Theory

Discover color theory, from Newton to modern digital design, chromatic harmonies, WCAG accessibility and professional applications.

CSS Gradients

Learn about CSS gradients, from their evolution in CSS3 to modern web design techniques, best practices and real-world use cases.

Internet Speed

Learn to interpret speed test results, internet history from dial-up to fiber, and how to optimize your home network for best performance.

3D Printing

Explore everything about 3D printing: from its origins in the 1980s to modern FDM techniques, best practices, use cases and fascinating curiosities.