Top 12 HTML Developer Skills to Put on Your Resume

In today's technology-driven marketplace, a sharp resume paired with the right skills can tilt the odds in your favor as an HTML developer. This guide spotlights twelve core abilities that push your resume forward and make your work sing in a crowded web landscape.

HTML Developer Skills

1. HTML5
2. CSS3
3. JavaScript
4. jQuery
5. Bootstrap
6. React
7. Angular
8. Vue.js
9. Sass
10. Git
11. SEO
12. Web Accessibility

1. HTML5

HTML5 is the backbone of the modern web. It brings semantic elements, native multimedia, stronger forms, and a raft of APIs that power rich, accessible experiences without bolted-on hacks.

Why It's Important

Semantic structure improves accessibility and SEO, built-in media simplifies delivery, and standardized features reduce cross-browser weirdness. Cleaner markup, clearer intent, faster pages.

How to Improve HTML5 Skills

1. Lean into semantics: Choose elements that describe meaning, not looks. Think <header>, <main>, <article>, <section>, <figure>.

2. Master forms: Use modern input types, validation attributes, and accessible labels. Errors should be clear and keyboard-friendly.

3. Responsive media: Serve the right images with <picture>, srcset, and sizes. Add loading="lazy" where appropriate.

4. Use platform APIs: Canvas, Web Storage, History API, and media elements solve common needs without heavy libraries.

5. Accessibility first: Correct landmarks, logical heading order, and ARIA only when needed. Keyboard flows matter.

6. Validate and lint: Catch structural issues early with validators and HTML linters.

7. SEO-aware structure: Titles, meta descriptions, canonical tags, and tidy markup help search engines parse your content.

How to Display HTML5 Skills on Your Resume

2. CSS3

CSS3 shapes the look, movement, and layout of the web. From fluid layouts to slick animations, it’s the paint, the scaffolding, and the polish.

Why It's Important

Great CSS elevates usability and performance across devices. Modern features like Grid, Flexbox, container queries, and native nesting make robust layouts far less brittle.

How to Improve CSS3 Skills

1. Layout mastery: Get fluent with Flexbox and CSS Grid, including subgrid. Reach for container queries when components must adapt smartly.

2. Modern features: Use custom properties, cascade layers, native CSS nesting, logical properties, and clamp() for fluid sizing.

3. Responsive craft: Build mobile-first, test across breakpoints, and respect user preferences like reduced motion.

4. Animation with intention: Use transitions and keyframes sparingly for meaning, not noise.

5. Organize at scale: Adopt patterns like BEM or ITCSS. Keep styles modular, predictable, and documented.

6. Pre/Post processing: Combine Sass and PostCSS for maintainability and cross-browser stability.

7. Performance: Trim unused CSS, code-split where needed, and ship only what the page needs.

How to Display CSS3 Skills on Your Resume

3. JavaScript

JavaScript breathes life into pages. Interactivity, data fetching, state, and logic all funnel through it.

Why It's Important

It turns static interfaces into responsive, delightful apps. Without JS, you’re stuck in neutral.

How to Improve JavaScript Skills

1. Core fluency: Variables, scope, closures, prototypes, modules, and ES6+ features. Know them cold.

2. DOM and events: Query, traverse, and update efficiently. Delegate events. Avoid layout thrash.

3. Async patterns: Promises, async/await, fetch, and error handling. Timeouts, intervals, and race conditions deserve respect.

4. Modules and builds: Embrace ES modules. Understand bundlers and dev servers, or go buildless where possible.

5. Type safety: Add TypeScript or JSDoc for clarity and fewer bugs.

6. Testing: Start with unit tests and DOM-focused testing libraries to lock in behavior.

7. Performance: Debounce, throttle, memoize. Profile and trim.

How to Display JavaScript Skills on Your Resume

4. jQuery

jQuery is a compact JavaScript library that smooths over DOM manipulation, events, and simple effects. It still appears in legacy stacks and quick prototypes.

Why It's Important

Despite modern browser APIs and frameworks, plenty of production sites depend on jQuery. Knowing it helps maintain, refactor, and migrate older systems without drama.

How to Improve jQuery Skills

1. Think vanilla-first: Understand native DOM methods and when jQuery truly helps in older codebases.

2. Event handling: Use delegation for dynamic content and avoid binding sprawl.

3. Performance: Cache selectors, minimize DOM touches, and avoid nested reflows.

4. Plugin hygiene: Audit legacy plugins, remove what’s unused, and replace fragile pieces with modern equivalents.

5. Migrate safely: Use migration guides, feature flags, and incremental refactors toward native JS or a framework.

How to Display jQuery Skills on Your Resume

5. Bootstrap

Bootstrap is a responsive, mobile-first CSS framework with components and utilities that speed up front-end work. Version 5+ drops jQuery and leans on modern CSS and JavaScript.

Why It's Important

It accelerates delivery with consistent patterns, solid accessibility defaults, and a predictable grid—handy for MVPs and internal tools.

How to Improve Bootstrap Skills

1. Grid and utilities: Master the grid, spacing, display, and visibility utilities for layout finesse.

2. Customize with Sass: Override variables, build a theme, and compile only what you need.

3. Modular builds: Include a minimal set of CSS and JS to keep bundles lean.

4. Design consistency: Extend components without fighting the framework. Respect tokens and scales.

5. Accessibility: Verify focus states, ARIA attributes, and keyboard behavior on components you tweak.

How to Display Bootstrap Skills on Your Resume

6. React

React is a JavaScript library for building interactive UIs from small, reusable components. It thrives on declarative views and predictable data flow.

Why It's Important

It simplifies complex state, encourages reuse, and handles updates efficiently. Your UI logic becomes clearer and easier to test.

How to Improve React Skills

1. Functional components and Hooks: Use useState, useEffect, useMemo, useCallback, and useRef. Prefer functions over classes.

2. Data and state: Start with Context for simple cases, reach for Redux, Zustand, or RTK Query when complexity climbs.

3. Routing: Learn modern React Router patterns and data loading flows.

4. Performance: Code-split with lazy and Suspense. Understand rendering, memoization, and transitions in React 18.

5. TypeScript: Type props, state, and hooks for resilience.

6. Testing: Use React Testing Library to verify behavior from the user’s perspective.

How to Display React Skills on Your Resume

7. Angular

Angular is a full-featured framework for building robust single-page applications with HTML, CSS, and TypeScript. Batteries included: routing, forms, HTTP, testing, and more.

Why It's Important

It enforces structure at scale. Large teams get patterns, tooling, and conventions that keep codebases sane over time.

How to Improve Angular Skills

1. TypeScript depth: Interfaces, generics, and strict mode sharpen your Angular code.

2. Core architecture: Components, services, dependency injection, and modules—plus standalone components in newer versions.

3. CLI proficiency: Generate, test, and scaffold quickly. Lint and format on autopilot.

4. Reactive thinking: Embrace RxJS for streams, async flows, and composable logic. Learn signals where applicable.

5. Forms and routing: Prefer Reactive Forms for complex validation. Nail guards, resolvers, and lazy loading.

6. Testing: Unit test components and services; add integration tests for critical paths.

How to Display Angular Skills on Your Resume

8. Vue.js

Vue.js is a progressive framework for building user interfaces. Vue 3 centers on the Composition API, single-file components, and a gentle learning curve that scales up fast.

Why It's Important

It balances simplicity and power. You can drop it into a page or build full SPAs without wrestling the toolchain.

How to Improve Vue.js Skills

1. Vue 3 first: Focus on the Composition API, script setup, reactivity, refs, and computed values.

2. Component patterns: Create reusable, isolated components with clear props and emits.

3. Routing and state: Learn Vue Router for navigation and Pinia for predictable global state.

4. SFC workflow: Build with Vite, organize styles and tests alongside components.

5. Type safety: Add TypeScript for larger projects.

6. Testing: Use Vue Test Utils and an assertion library to lock in behavior.

How to Display Vue.js Skills on Your Resume

9. Sass

Sass is a CSS preprocessor that brings variables, mixins, functions, and modular architecture to your styles. It compiles to clean CSS and helps large stylesheets stay tidy.

Why It's Important

It reduces repetition, adds structure, and pairs well with design tokens. Less chaos, more consistency.

How to Improve Sass Skills

1. Modules over imports: Prefer @use and @forward to share variables and mixins cleanly.

2. Tokenize: Centralize colors, spacing, typography, and breakpoints as variables.

3. Mixins and functions: Encapsulate patterns like media queries or shadows for one-line reuse.

4. Nesting with restraint: Keep specificity low; avoid nesting more than a few levels.

5. Architecture: Adopt BEM or ITCSS conventions and split files into purposeful partials.

6. Blend with native CSS: Use custom properties for runtime theming; let Sass handle compile-time logic.

How to Display Sass Skills on Your Resume

10. Git

Git is version control for humans who ship. It tracks changes, enables collaboration, and rescues you when things go sideways.

Why It's Important

Teamwork, history, and safety nets. You move faster with confidence, and your codebase tells its own story.

How to Improve Git Skills

1. Branch strategy: Practice feature branches, short-lived PRs, and either trunk-based or a light Git Flow.

2. Commits with meaning: Write clear, atomic commits. Consider Conventional Commits for consistency.

3. Rebase vs merge: Keep history clean with interactive rebases; know when to merge to preserve context.

4. Stash and cherry-pick: Park work-in-progress and move changes across branches with precision.

5. Hooks and automation: Run linters and tests pre-commit or pre-push to catch issues early.

6. Conflict resolution: Learn to resolve conflicts calmly and verify with tests.

7. Tags and releases: Mark versions, generate changelogs, and ship predictably.

How to Display Git Skills on Your Resume

11. SEO

SEO (Search Engine Optimization) is the craft of making pages understandable, fast, and discoverable. Clean markup and smart performance choices pay dividends.

Why It's Important

Better rankings, more qualified traffic, and a stronger user experience. Search engines reward clarity and speed.

How to Improve SEO Skills

1. Semantic scaffolding: Use meaningful elements and one clear <h1> per page, with a logical heading hierarchy.

2. Title and description: Unique, descriptive titles and meta descriptions that match intent.

3. Images done right: Descriptive filenames, alt text, responsive sources, and lazy loading where sensible.

4. Mobile-first: Responsive layouts, touch-friendly targets, and no layout shift surprises.

5. Core Web Vitals: Optimize LCP, CLS, and INP. Ship less JS, compress assets, and cache aggressively.

6. Internal links: Descriptive anchors and a sensible site structure. XML sitemaps and robots.txt configured correctly.

7. Structured data: Add JSON-LD for rich results when it fits your content.

8. Security and canonicals: HTTPS everywhere, canonical URLs to prevent duplicate confusion.

How to Display SEO Skills on Your Resume

12. Web Accessibility

Web accessibility means everyone can use your site—keyboard users, screen reader users, people with low vision, color blindness, cognitive differences, and more.

Why It's Important

It’s about inclusion, legal compliance, and good design. Accessible experiences are better for all users.

How to Improve Web Accessibility Skills

1. Semantic layout: Landmarks like <header>, <nav>, <main>, and <footer> provide structure. Order headings logically.

2. Text alternatives: Write meaningful alt text for images and captions for media.

3. Keyboard first: Ensure all functionality works without a mouse. Manage focus, add skip links, and keep tab order sane.

4. Forms with care: Associate labels, provide clear errors and hints, and group related controls.

5. Contrast and motion: Meet contrast ratios and respect reduced-motion preferences.

6. ARIA judiciously: Use ARIA to enhance, not replace, semantics. Live regions for dynamic updates where needed.

7. Test widely: Try screen readers (NVDA, VoiceOver), keyboard-only passes, and automated audits. Fix, retest, repeat.

How to Display Web Accessibility Skills on Your Resume