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    Responsive Landing Page Auditor

    1

    Analyze HTML/CSS to detect layout breaks, small touch targets, and missing responsive breakpoints.

    Free

    4 installsSecurity scanned
    Responsive Landing Page Auditor

    Responsive Landing Page Auditor

    Example session with this skill installed

    Audit the responsive design for this hero section: Join

    Terms apply

    • Read your context and instructions
    • Compiled the responsive landing page
    • Generated the design tokens stylesheet

    I have analyzed the provided hero section code. The layout contains several hardcoded values that will break on mobile devices and fail accessibility standards.

    [Responsive Design Audit Report]

    📱 Mobile Fundamentals Check:

    • Viewport meta tag present and correct (Missing in snippet)
    • No horizontal scroll on mobile (Failing: Fixed 1200px width)
    • Images use max-width: 100% (N/A)

    🚨 Critical Issues (Must Fix):

    • .hero selector: Uses width: 1200px which exceeds mobile viewport width, causing significant horizontal overflow.
    • button selector: Height is 20px, which is less than half of the recommended touch target size.

    📐 Breakpoint Coverage:

    • Mobile (320-767px): Status: Missing
    • Tablet (768-1023px): Status: Missing
    • Desktop (1024px+): Status: Partial (Fixed at 1200px)

    🛠️ Specific Fixes Required:

    /* Change this */
    .hero {
      width: 1200px;
    }
    
    /* To this */
    .hero {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
      box-sizing: border-box;
    }
    
    /* Add for touch targets */
    .hero button {
      min-height: 44px;
      padding: 10px 20px;
    }
    

    📏 Mobile UX Improvements:

    • Increase paragraph font size from 12px to 16px to prevent auto-zooming on iOS and improve legibility.
    • Ensure the viewport meta tag <meta name="viewport" content="width=device-width, initial-scale=1.0"> is added to the document head.

    [Self-Check]

    • Viewport and meta tags verified
    • Breakpoint gaps identified with specific pixel ranges
    • Mobile UX touchpoints audited (touch targets, font sizes)
    • Exact code fixes provided, not vague advice

    Next steps

    • Replace the fixed width in your CSS with the fluid max-width implementation provided above.
    • Update the button height to at least 44px to meet mobile accessibility guidelines.
    • Add the missing viewport meta tag to your HTML <head>.

    responsive-landing-page-auditor-tokens.css

    CSS · design tokens

    Generated

    Example file from a real run - the skill writes it into your workspace.

    Connects securely to your tools. The creator never sees your data.

    About this skill

    The problem

    Responsive design bugs often surface only after deployment. Catching fixed-width containers, tiny touch targets, and missing media queries manually is slow and error-prone.

    What it does

    • Identifies fixed-width elements that cause horizontal overflow on mobile screens.
    • Audits viewport meta tags and charset declarations for mobile compatibility.
    • Checks touch target sizes and font scaling to ensure accessibility on iOS and Android.
    • Maps CSS against standard breakpoints (320px, 768px, 1024px) to find layout gaps.
    • Generates specific CSS overrides to replace hardcoded values with fluid layouts.

    Frameworks & tools

    HTML5, CSS3, Tailwind CSS, Bootstrap, and Styled Components.

    Why this beats prompting it yourself

    Generic prompts often return vague advice like "use more media queries." This skill enforces a strict audit protocol that checks specific pixel values, touch-target minimums (44px), and viewport fundamentals, providing copy-paste code fixes rather than suggestions.

    Use cases

    • Pre-launch QA for marketing landing pages and lead capture forms.
    • Debugging reported horizontal scroll issues on specific mobile devices.
    • Refactoring desktop-first legacy CSS into a modern responsive layout.
    • Standardizing touch interactions for mobile-first user experiences.

    Known limitations

    Requires the user to provide HTML and CSS code blocks for a complete technical audit.

    How to install

    Works the same in every agent - Claude, Cursor, Codex, Copilot and 20+ more.

    ~30 seconds
    1. 1

      Download the ZIP

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    2. 2

      Unzip into your skills folder

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    3. 3

      Ask your agent to use it

      Restart the agent if it was already running. It picks the skill up automatically - no config needed.

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    4 installs

    Downloaded by developers to date

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    Trust & safety

    Security scanned

    Verified clean 19 days ago

    • Free to download with an account

    Listed19 days ago

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