Frontend

• HTML and CSS small

  HTML and CSS are the two languages every browser already understands, and together they make up the document layer of the web.

• Front-End Web Development small

  Front-end web development is the work of building the part of an application a person touches: the document, its styling, its behaviour, and the pipeline…

• Hypertext Markup Language (HTML) small

  HTML is the markup language that gives a web page its structure and its meaning.

• Package Management (npm) medium

  npm is the package manager that comes with Node, and the registry most JavaScript libraries are published to.

• Cascading Style Sheets (CSS) large

  CSS is the language that decides how the document tree looks.

• Javascript large

  JavaScript is the programming language of the browser, and the language most front-end work is written in.

• Responsive Images small

  Responsive images are the browser's own tools for serving the right image file for the space it will occupy: srcset and sizes for resolution, <picture>…

• SEO medium

  Search engine optimisation is the work of making a page easy for a search engine to crawl, understand and rank for the queries it should answer.

• Vite small

  Vite is a build tool for front-end projects.

• Responsive Web Design medium

  Responsive web design is the practice of building one page that reads well on any screen, from a phone held in one hand to a wide desktop monitor.

• Accessibility (WCAG / a11y) medium

  Accessibility is the work of making a page usable by people who navigate with a keyboard, a screen reader, a magnifier or a voice, and by anyone whose…

• UI Components medium

  A UI component is a self-contained piece of interface — a button, a form field, a card, a dialog — with a defined interface of its own: which inputs it…

• Bootstrap (Front-End Framework) small

  Bootstrap is a CSS framework with a prebuilt component library and a grid system.

• Tailwind CSS medium

  Tailwind is a utility-first CSS framework: instead of writing rules in a stylesheet, you compose small single-purpose classes directly in the markup —…

• Sass small

  Sass is a stylesheet language that compiles to CSS.

• Motion Design medium

  Motion design is the use of movement in an interface to explain what changed.

• SVG & Icon Systems medium

  SVG is an XML format for vector graphics that the browser renders as part of the page.

• Web Typography medium

  Web typography is the practice of choosing and setting type in a browser: which typefaces, at what sizes, with how much space between lines, letters and…

• TypeScript large

  TypeScript is JavaScript with a static type layer on top.

• Browser Compatibility small

  Browser compatibility is the practice of deciding which browsers your product must work in, finding out whether the features you are using exist there,…

• Ajax small

  Ajax is the technique of exchanging data with a server from a running page, without a full page reload.

• Vue.js medium

  Vue is a JavaScript framework for building interfaces from components.

• State Management medium

  State management is the set of decisions about where an application's data lives and who may change it.

• Webpack small

  Webpack is a module bundler.

• Progressive Web Apps (PWA) medium

  A progressive web app is a website that also behaves like an installed application: it can work offline or on a poor connection, it can be launched from…

• Web Performance (Core Web Vitals) medium

  Core Web Vitals are a small set of measured user-experience metrics: how long the main content takes to appear, how quickly the page responds to input,…

• Browser DevTools medium

  DevTools is the set of inspectors built into the browser: the document tree and its styles, the network log, the JavaScript console and debugger, the…

• Generative Engine Optimization (GEO) small

  Generative engine optimisation is the practice of making a page likely to be quoted, summarised or cited by an answer engine — a system that reads the web…

• React large

  React is a JavaScript library for building user interfaces out of small, reusable components.

• Angular medium

  Angular is a full application framework, not a view library.

• Lighthouse small

  Lighthouse is an automated audit that loads a page in a controlled environment, measures a set of metrics and checks a set of rules, and produces a report…