Audit Result

UUID: 019f136b-1a0a-711e-a98f-7257f2ec017e

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ai-blue-theta.vercel.app

https://ai-blue-theta.vercel.app/

Scanned 2 weeks ago

79
Fair Score
39 total checks
Passed
24
Warnings
14
Errors
1

Meta Information

  • Title Tag Warning

    Found 27 characters. Keep title between 30 and 60 characters.

    Fix: Add a unique <title> tag describing the main page intent in 30-60 characters.

  • Meta Description Warning

    Found 64 characters. Keep description around 70-160 characters.

    Fix: Add <meta name="description" content="..."> in <head> with a clear page summary.

  • Canonical URL Pass

    Canonical found: https://hanconyeon.com/

  • Favicon Pass

    Favicon found and reachable: images/Logo.png (HTTP 200).

    Favicon
  • Viewport Meta Pass

    Viewport configured: width=device-width, initial-scale=1.0

  • HTML Lang Pass

    Language declared as "ko".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "기업의 업무 효율을 극대화하는실무형 AI 교육".

  • Heading Hierarchy Pass

    Valid heading flow across 19 headings.

  • Image Alt Text Pass

    All 2 images include alt text.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • HSTS & HTTPS Redirect Warning

    1 HTTPS hardening issues detected.

    • • Could not probe the HTTP version of this page.
    • • Strict-Transport-Security: max-age=63072000; includeSubDomains; preload

    Fix: Set Strict-Transport-Security with a long max-age, add includeSubDomains, and redirect all HTTP requests to HTTPS.

  • Security Headers Warning

    Missing: content-security-policy.

    Full HTTP headers (16)
    • • access-control-allow-origin: *
    • • age: 0
    • • cache-control: public, max-age=0, must-revalidate
    • • content-disposition: inline
    • • content-encoding: br
    • • content-type: text/html; charset=utf-8
    • • date: Mon, 29 Jun 2026 12:46:50 GMT
    • • etag: W/"19cad59325d48c145f0c5f10458eea25"
    • • last-modified: Mon, 29 Jun 2026 12:46:50 GMT
    • • referrer-policy: strict-origin-when-cross-origin
    • • server: Vercel
    • • strict-transport-security: max-age=63072000; includeSubDomains; preload
    • • x-content-type-options: nosniff
    • • x-frame-options: SAMEORIGIN
    • • x-vercel-cache: HIT
    • • x-vercel-id: iad1::l8s6z-1782737210268-60bf1785452f

    Fix: Add the missing security headers at your reverse proxy or application layer.

  • CSP Quality Warning

    Content-Security-Policy header is missing.

    • • Missing Content-Security-Policy header.

    Fix: Define a restrictive Content-Security-Policy and avoid unsafe directives such as unsafe-inline and unsafe-eval.

  • Cookie Security Pass

    No first-party cookies were set during the initial page load.

  • Server Version Disclosure Pass

    Server response headers do not expose version tokens.

  • Cloudflare Proxy Warning

    Domain does not appear to be behind Cloudflare.

  • Perceived Load Time Pass

    Loaded in 0.68s (perceived).

  • Render Blocking Resources Warning

    1 scripts and 3 styles may block rendering.

    • • script: https://cdn.jsdelivr.net/npm/@emailjs/browser@4/dist/email.min.js
    • • style: https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700;800;900&display=swap
    • • style: https://cdn.jsdelivr.net/npm/@fortawesome/[email protected]/css/all.min.css
    • • style: https://ai-blue-theta.vercel.app/css/style.css

    Fix: Defer non-critical scripts and inline critical CSS to improve first paint speed.

  • Compression Pass

    Text-like assets appear compressed.

  • Robots.txt Pass

    Found robots.txt (200).

  • Sitemap File Pass

    Found sitemap (200) at https://ai-blue-theta.vercel.app/sitemap.xml.

  • Crawl Directives Warning

    No robots meta tag defined.

    Fix: Add <meta name="robots" content="index,follow"> (or the intended directive) in <head>.

Accessibility Basics

  • Form Labels Pass

    All 9 controls are labeled.

  • Landmarks Pass

    Header, nav, main, and footer landmarks are present.

  • Tap Target Size Warning

    2 interactive elements appear smaller than 48px.

    • • a.affiliation-link (소속: 한국AI콘텐츠연구소) - 189x40px
    • • a.profile-email ([email protected]) - 199x26px

    Fix: Increase target size to at least 48x48 CSS pixels for touch interactions.

Social & Rich Results

  • Open Graph Basics Pass

    Core Open Graph tags are present.

  • Open Graph Image Warning

    og:image exists but is not an absolute URL.

    Fix: Use an absolute URL in <meta property="og:image">.

  • Twitter Card Warning

    twitter:card is missing.

    Fix: Add <meta name="twitter:card" content="summary_large_image"> for better previews on X.

  • Structured Data Warning

    No JSON-LD schema scripts found.

    Fix: Add JSON-LD structured data matching your page type (Organization, Article, Product, etc.).

  • PWA Metadata Warning

    Manifest or Apple touch icon is missing.

    Fix: Link your web app manifest and apple-touch-icon for improved install/share experiences.

  • Open Graph/Twitter Quality Warning

    4 social preview quality issues detected.

    • • ISSUE: og:url points to a different origin than the scanned page.
    • • ISSUE: og:description should typically be between 50 and 200 characters.
    • • ISSUE: Use an absolute URL for og:image or twitter:image.
    • • ISSUE: twitter:card is missing.
    • • GUIDELINE: Optimal og:title length: 40-60 characters (acceptable: 10-70).
    • • GUIDELINE: Optimal og:description length: 110-160 characters (acceptable: 50-200).
    • • GUIDELINE: Optimal preview image size: 1200x630 pixels.
    • • GUIDELINE: Optimal preview image aspect ratio: 1.91:1.
    • • GUIDELINE: Optimal preview image file size: under 5 MB.
    • • GUIDELINE: Recommended twitter:card: summary_large_image.

    Fix: Use absolute OG/Twitter URLs, keep metadata lengths in recommended ranges, and provide a preview image near 1200x630 under 5MB.

Links Analysis

  • Internal Links Pass

    Checked 3 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Pass

    All 22 links use non-empty href values.

Performance & Runtime

  • Core Web Vitals: LCP Pass

    Largest Contentful Paint: 0.68s.

  • Core Web Vitals: CLS Pass

    Cumulative Layout Shift: 0.000.

  • Main Thread Blocking (TBT) Pass

    Total Blocking Time estimate: 119ms.

  • Broken Assets Error

    1 asset requests failed.

    • • https://fonts.googleapis.com/css2?family=Pretendard:wght@300;400;500;600;700;800;900&display=swap (net::ERR_BLOCKED_BY_ORB)

    Fix: Fix missing files, update asset URLs, and ensure static assets return HTTP 200.

  • JavaScript Runtime Errors Pass

    No console/page runtime errors detected during audit.