Audit Result

UUID: 019dd543-a1b3-703c-affe-b8ae3e352435

Share on X Recheck Back to history
hellofrontend.com

https://hellofrontend.com/

Scanned 4 months ago

77
Fair Score
39 total checks
Passed
23
Warnings
14
Errors
2

Meta Information

  • Title Tag Pass

    Found 59 characters. Length is optimal.

  • Meta Description Pass

    Found 141 characters. Good snippet length.

  • Canonical URL Warning

    Canonical link not found.

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

  • Favicon Pass

    Favicon found and reachable: /favicon.ico?favicon.0x3dzn~oxb6tn.ico (HTTP 200).

    Favicon
  • Viewport Meta Pass

    Viewport configured: width=device-width, initial-scale=1

  • HTML Lang Pass

    Language declared as "en".

Content Structure

  • H1 Tag Pass

    Exactly one H1 found: "Crack Frontend Interviews At Google, Meta & Amazon".

  • Heading Hierarchy Warning

    Detected 1 heading level jumps.

    • • Skipped from h2 to h4: "Ready to level up?" -> "Platform".

    Fix: Follow semantic order (h1 -> h2 -> h3) and avoid skipping heading levels.

  • 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.

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

    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, x-frame-options, x-content-type-options, referrer-policy.

    Full HTTP headers (17)
    • • access-control-allow-origin: *
    • • age: 25421
    • • cache-control: public, max-age=0, must-revalidate
    • • content-disposition: inline
    • • content-encoding: br
    • • content-type: text/html; charset=utf-8
    • • date: Tue, 28 Apr 2026 18:04:26 GMT
    • • etag: W/"f1e15d2b8c22272ce21fae8faea997c2"
    • • server: Vercel
    • • strict-transport-security: max-age=63072000
    • • vary: rsc, next-router-state-tree, next-router-prefetch, next-router-segment-prefetch
    • • x-matched-path: /
    • • x-nextjs-prerender: 1
    • • x-nextjs-stale-time: 300
    • • x-vercel-cache: HIT
    • • x-vercel-enable-rewrite-caching: 1
    • • x-vercel-id: iad1::987k5-1777399466448-2d2e74eb4993

    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 0.22s (perceived).

  • Render Blocking Resources Warning

    14 scripts and 2 styles may block rendering.

    • • script: https://hellofrontend.com/_next/static/chunks/03~yq9q893hmn.js
    • • script: https://hellofrontend.com/_next/static/chunks/0hbs58kekf_9v.js
    • • script: https://hellofrontend.com/_next/static/chunks/0w30s_4gbb.bu.js
    • • script: https://hellofrontend.com/_next/static/chunks/0o0bpkap7__q~.js
    • • script: https://hellofrontend.com/_next/static/chunks/0b9ebim9jtdnp.js
    • • script: https://hellofrontend.com/_next/static/chunks/06guuvu1kiugd.js
    • • script: https://hellofrontend.com/_next/static/chunks/0pp.1ssi1docr.js
    • • script: https://hellofrontend.com/_next/static/chunks/040ldeulelct4.js
    • • script: https://hellofrontend.com/_next/static/chunks/0xj36u.twg4ae.js
    • • script: https://hellofrontend.com/_next/static/chunks/0f6dml24rsao0.js
    • • script: https://hellofrontend.com/_next/static/chunks/0-c~rimrdy~c0.js
    • • script: https://hellofrontend.com/_next/static/chunks/09d2g1h-b~.lb.js
    • • script: https://hellofrontend.com/_next/static/chunks/09bl7vunmcw84.js
    • • script: https://hellofrontend.com/_next/static/chunks/05-g_m4_lvtca.js
    • • style: https://hellofrontend.com/_next/static/chunks/0475~dejndfe1.css
    • • style: https://cdn.jsdelivr.net/npm/[email protected]/min/vs/editor/editor.main.css

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

  • Compression Warning

    15 text resources look uncompressed.

    • • https://hellofrontend.com/roadmap?_rsc=1r34m (text/x-component)
    • • https://hellofrontend.com/conceptual?_rsc=1r34m (text/x-component)
    • • https://hellofrontend.com/system-design?_rsc=1r34m (text/x-component)
    • • https://hellofrontend.com/machine-coding?_rsc=1r34m (text/x-component)
    • • https://hellofrontend.com/javascript-coding?_rsc=1r34m (text/x-component)
    • • https://hellofrontend.com/login?_rsc=1r34m (text/x-component)
    • • https://hellofrontend.com/signup?_rsc=1r34m (text/x-component)
    • • blob:https://hellofrontend.com/a75dbaf6-edbe-474b-b835-8c2216bbb5a9 (application/javascript)
    • • https://hellofrontend.com/_next/static/chunks/0hbs58kekf_9v.js (application/javascript; charset=utf-8)
    • • https://hellofrontend.com/signup?_rsc=o2k7a (text/x-component)
    • • blob:https://hellofrontend.com/46fdb354-aeaa-4298-ad98-41c278ac25f1 (application/javascript)
    • • https://hellofrontend.com/login?_rsc=1tdii (text/x-component)
    • • https://hellofrontend.com/_next/static/chunks/040ldeulelct4.js (application/javascript; charset=utf-8)
    • • https://hellofrontend.com/_next/static/chunks/0f6dml24rsao0.js (application/javascript; charset=utf-8)
    • • https://hellofrontend.com/_next/static/chunks/0-c~rimrdy~c0.js (application/javascript; charset=utf-8)

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

  • Robots.txt Pass

    Found robots.txt (200).

  • Sitemap File Pass

    Found sitemap (200) at https://hellofrontend.com/sitemap.xml.

  • Crawl Directives Pass

    Robots meta found: index, follow

Accessibility Basics

  • Form Labels Error

    1 of 1 controls are missing labels.

    • • textarea.ime-text-area

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

  • Landmarks Pass

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

  • Tap Target Size Warning

    18 interactive elements appear smaller than 48px.

    • • a.flex.items-center (hello.frontend) - 183x32px
    • • a.text-xs.font-bold (JS Coding) - 81x16px
    • • a.text-xs.font-bold (Machine Coding) - 137x16px
    • • a.text-xs.font-bold (System Design) - 125x16px
    • • a.text-xs.font-bold (Conceptual) - 101x16px
    • • a.text-xs.font-bold (Roadmap) - 77x16px
    • • a.hidden.sm:block (Sign In) - 60x24px
    • • a (Get Started) - 137x32px
    • • button.inline-flex.items-center (Get Started) - 137x32px
    • • button.px-6.py-3 (View Detailed Roadmap) - 236x44px
    • • button.relative.px-8 (JavaScript) - 145x45px
    • • button.relative.px-8 (React) - 110x44px
    • • button.relative.px-8 (Quiz) - 100x43px
    • • button.text-slate-600.hover:text-white - 17x17px
    • • a.group.flex (Sign in to account) - 219x20px
    • • a.hover:text-white.transition-colors (Twitter) - 57x15px
    • • a.hover:text-white.transition-colors (Github) - 49x15px
    • • a.hover:text-white.transition-colors (LinkedIn) - 61x15px

    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 Error

    og:image URL returned HTTP 404.

    Fix: Make sure the og:image URL returns HTTP 200 and points to a publicly accessible image.

  • Twitter Card Pass

    twitter:card set to summary_large_image.

  • Structured Data Pass

    JSON-LD schema detected.

  • 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

    1 social preview quality issues detected.

    • • ISSUE: Preview image URL failed with HTTP 404: https://hellofrontend.com/og-main.png
    • • 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 9 links. No broken internal links found.

  • External Links Pass

    No broken external links found in checked URLs.

  • Link Format Warning

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

    • • href="#" text="Twitter"
    • • href="#" text="Github"
    • • href="#" text="LinkedIn"

    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: 1.00s.

  • Core Web Vitals: CLS Pass

    Cumulative Layout Shift: 0.000.

  • Main Thread Blocking (TBT) Warning

    Total Blocking Time estimate: 407ms.

    Fix: Reduce heavy JavaScript work, split long tasks, and defer non-critical scripts.

  • Broken Assets Pass

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

  • JavaScript Runtime Errors Warning

    2 JavaScript runtime issues detected.

    • • Request failed: https://api.hellofrontend.com/api/auth/user/ (HTTP 401, type: fetch)
    • • Failed to load resource: the server responded with a status of 401 (Unauthorized) [https://api.hellofrontend.com/api/auth/user/:1]

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