Learn at your own pace

Learn HTML, CSS, JavaScript, domains, SSL, VPNs, media queries, testing, and UX, one short lesson at a time.

Plain-language explanations, real code examples, and no account required. Pick a course below and start wherever you like.

Frontend Development

219 lessons across 18 chapters — from your first tag to forms, tables, accessibility, and semantic markup.

0 lessons completed 0 quizzes solved ~54 min total read

327 lessons across 35 chapters — selectors, the box model, colors, and layout fundamentals.

1 lesson completed 0 quizzes solved ~39 min total read

141 lessons across 11 chapters — variables, data types, strings, numbers, operators, and conditionals.

0 lessons completed 0 quizzes solved ~22 min total read

146 lessons across 16 chapters — the 2D drawing API — shapes, paths, gradients, text, images, and animation.

0 lessons completed 0 quizzes solved ~36 min total read

150 lessons across 16 chapters — breakpoints, mobile-first design, orientation, dark mode, and responsive components.

0 lessons completed 0 quizzes solved ~26 min total read

180 lessons across 14 chapters — domain basics, DNS records, nameservers, hosting, and domain security.

0 lessons completed 0 quizzes solved ~25 min total read

132 lessons across 11 chapters — encryption basics, certificates, CSRs, SSL with Let's Encrypt, and HTTPS configuration.

0 lessons completed 0 quizzes solved ~25 min total read

139 lessons across 11 chapters — networking basics, protocols, encryption, VPN types, setup, and privacy.

0 lessons completed 0 quizzes solved ~23 min total read

152 lessons across 10 chapters — testing fundamentals, test case design, bug management, regression, and API testing.

0 lessons completed 0 quizzes solved ~23 min total read

130 lessons across 9 chapters — design thinking, user research, personas, journey mapping, and information architecture.

0 lessons completed 0 quizzes solved ~46 min total read