Audit Result

UUID: 019f34b9-686a-73ce-8541-a405d3a86ad6

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www.keytrend.co.kr

https://www.keytrend.co.kr/

Scanned 1 week ago

67
Fair Score
39 total checks
Passed
15
Warnings
22
Errors
2

Meta Information

  • Title Tag Warning

    Found 23 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 59 characters. Keep description around 70-160 characters.

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

  • Canonical URL Warning

    Canonical link not found.

    Fix: Add <link rel="canonical" href="https://example.com/page"> to avoid duplicate URL ambiguity.

  • Favicon Warning

    No favicon link found in <head>.

    Fix: Add <link rel="icon" href="/favicon.ico"> to ensure browser tab and bookmark visibility.

  • Viewport Meta Pass

    Viewport configured: width=device-width, initial-scale=1.0, viewport-fit=cover

  • HTML Lang Pass

    Language declared as "ko".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "수능 영어 1등급,AI가 24시간옆에서 코칭".

  • Heading Hierarchy Pass

    Valid heading flow across 25 headings.

  • Image Alt Text Pass

    All 0 images include alt text.

Technical Optimization

  • HTTPS Pass

    Page is served over HTTPS.

  • HSTS & HTTPS Redirect Warning

    2 HTTPS hardening issues detected.

    • • Missing Strict-Transport-Security header.
    • • Could not probe the HTTP version of this page.

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

  • Security Headers Warning

    Missing: strict-transport-security, content-security-policy, x-frame-options, x-content-type-options, referrer-policy.

    Full HTTP headers (21)
    • • accept-ranges: bytes
    • • access-control-allow-origin: *
    • • age: 0
    • • cache-control: max-age=600
    • • content-encoding: gzip
    • • content-length: 19944
    • • content-type: text/html; charset=utf-8
    • • date: Sun, 05 Jul 2026 23:59:48 GMT
    • • etag: W/"6a4a4c8c-133cb"
    • • expires: Mon, 06 Jul 2026 00:09:48 GMT
    • • last-modified: Sun, 05 Jul 2026 12:22:36 GMT
    • • server: GitHub.com
    • • vary: Accept-Encoding
    • • via: 1.1 varnish
    • • x-cache: MISS
    • • x-cache-hits: 0
    • • x-fastly-request-id: c92b6030d46eaf2973d82ceb1a6cc67f052305f4
    • • x-github-request-id: B906:85616:2E7285B:31B022A:6A4AEFF3
    • • x-proxy-cache: MISS
    • • x-served-by: cache-lga21968-LGA
    • • x-timer: S1783295988.266704,VS0,VE25

    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 1.04s (perceived).

  • Render Blocking Resources Warning

    0 scripts and 1 styles may block rendering.

    • • style: https://fonts.googleapis.com/css2?family=Sora:wght@300;400;600;700;800&family=Noto+Sans+KR:wght@300;400;500;700;900&display=swap

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

  • Compression Warning

    1 text resources look uncompressed.

    • • https://lite.payapp.kr/public/api/v2/payapp-lite.js (application/javascript)

    Fix: Enable Brotli or Gzip compression for HTML, CSS, JS, and JSON responses.

  • Robots.txt Error

    robots.txt missing or inaccessible (404).

    Fix: Create a robots.txt file at https://www.keytrend.co.kr/robots.txt and allow intended crawlers.

  • Sitemap File Warning

    Sitemap missing or inaccessible at https://www.keytrend.co.kr/sitemap.xml (404).

    Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://www.keytrend.co.kr/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 Error

    3 of 4 controls are missing labels.

    • • input[type="email"]#co-email (co-email)
    • • input[type="text"]#co-referral (co-referral)
    • • select#co-plan (co-plan)

    Fix: Associate each form control with a visible label, aria-label, or aria-labelledby.

  • Landmarks Warning

    Missing landmarks: header, main.

    Fix: Use semantic regions (<header>, <nav>, <main>, <footer>) for navigation and assistive tech.

  • Tap Target Size Warning

    15 interactive elements appear smaller than 48px.

    • • a.nav-logo (🔑 Key Trend) - 140x39px
    • • a (서비스) - 39x25px
    • • a (코스) - 26x25px
    • • a (구독신청) - 52x25px
    • • a (학원장 매뉴얼) - 82x25px
    • • a (학생용 매뉴얼) - 82x25px
    • • a (충전팩) - 39x25px
    • • a (수능정보) - 52x25px
    • • a (FAQ) - 27x25px
    • • a (문의/제휴) - 57x25px
    • • a.nav-login-btn (로그인) - 77x41px
    • • button.active (1개월 이용권) - 121x40px
    • • button (3개월 10% ↓) - 137x40px
    • • button (6개월 17% ↓) - 137x40px
    • • button (12개월 이용권 25% ↓) - 188x40px

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

Social & Rich Results

  • Open Graph Basics Warning

    Missing og:title or og:description.

    Fix: Add og:title and og:description tags to control social preview text.

  • Open Graph Image Warning

    og:image is missing.

    Fix: Add <meta property="og:image" content="https://..."> with a high-quality share 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

    5 social preview quality issues detected.

    • • ISSUE: og:url should be an absolute URL.
    • • ISSUE: og:title should typically be between 10 and 70 characters.
    • • 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 13 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Warning

    1 links are empty, invalid, or placeholder-only.

    • • href="#" text="🔑 Key Trend"

    Fix: Replace empty/#/javascript href values with real destinations or use buttons for non-navigation actions.

Performance & Runtime

  • Core Web Vitals: LCP Pass

    Largest Contentful Paint: 1.04s.

  • Core Web Vitals: CLS Pass

    Cumulative Layout Shift: 0.003.

  • Main Thread Blocking (TBT) Pass

    Total Blocking Time estimate: 182ms.

  • Broken Assets Pass

    No failed CSS/JS/image/font/media requests detected.

  • JavaScript Runtime Errors Warning

    2 JavaScript runtime issues detected.

    • • Request failed: https://english-exam-chatbot.onrender.com/api/payment/plans (HTTP 404, type: fetch)
    • • Failed to load resource: the server responded with a status of 404 () [https://english-exam-chatbot.onrender.com/api/payment/plans:1]

    Fix: Fix JS files returning 404/failed requests and resolve the listed runtime exceptions.