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    Web Development Fundamentals

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    Essential web development skills for modern sites and apps.

    24 content steps
    6 quizzes
    ~450 minutes
    Popular

    Journey Overview

    Preview what you'll learn in this journey

    Journey Steps

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    1

    Content Step 1

    Content
    The web at a glance: clients, servers, and HTTP
    2

    Content Step 2

    Content
    HTML document structure and semantic tags
    3

    Content Step 3

    Content
    Text, links, images, and media elements
    4

    Content Step 4

    Content
    Lists, tables, and accessible forms
    5

    Quiz 5

    Quiz
    Checkpoint Quiz
    6

    Content Step 6

    Content
    Form inputs, validation, and submission basics
    7

    Content Step 7

    Content
    Accessibility essentials: labels, alt text, and landmarks
    8

    Content Step 8

    Content
    CSS: selectors, specificity, and cascade
    9

    Content Step 9

    Content
    Box model, display, and positioning
    10

    Quiz 10

    Quiz
    Checkpoint Quiz
    11

    Content Step 11

    Content
    Flexbox for one-dimensional layout
    12

    Content Step 12

    Content
    CSS Grid for two-dimensional layout
    13

    Content Step 13

    Content
    Responsive design and mobile-first workflow
    14

    Content Step 14

    Content
    Media queries and fluid units (%, rem, vw)
    15

    Quiz 15

    Quiz
    Checkpoint Quiz
    16

    Content Step 16

    Content
    Typography, color, and design tokens
    17

    Content Step 17

    Content
    CSS architecture (BEM/utility-first) and organization
    18

    Content Step 18

    Content
    JavaScript essentials for the browser
    19

    Content Step 19

    Content
    The DOM: querying, creating, and updating elements
    20

    Quiz 20

    Quiz
    Checkpoint Quiz
    21

    Content Step 21

    Content
    Events: handling clicks, inputs, and forms
    22

    Content Step 22

    Content
    Fetch API: requesting and rendering remote data
    23

    Content Step 23

    Content
    Simple SPA patterns and routing concepts
    24

    Content Step 24

    Content
    Performance basics: images, CSS, and JS budget
    25

    Quiz 25

    Quiz
    Checkpoint Quiz
    26

    Content Step 26

    Content
    Browser DevTools for debugging and profiling
    27

    Content Step 27

    Content
    Deploying static sites and CI basics
    28

    Content Step 28

    Content
    Hosting, CDNs, and caching strategies
    29

    Content Step 29

    Content
    Security basics for the web (HTTPS, CSP, CORS)
    30

    Quiz 30

    Quiz
    Checkpoint Quiz

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