Audit Result
UUID: 019dc3e9-5be9-7131-92cc-d15ef1ce4de5
https://knowledge-core-rouge.vercel.app/
Scanned 4 months ago
Meta Information
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Title Tag Pass
Found 42 characters. Length is optimal.
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Meta Description Pass
Found 126 characters. Good snippet length.
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Canonical URL Pass
Canonical found: https://knowledgecore.lovable.app/
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Viewport Meta Pass
Viewport configured: width=device-width, initial-scale=1.0
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HTML Lang Pass
Language declared as "en".
Content Structure
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H1 Tag Pass
Exactly one H1 found: "Your best ideasdon't deserveto be forgotten.".
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Heading Hierarchy Pass
Valid heading flow across 15 headings.
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Image Alt Text Error
1 of 1 images are missing alt text.
Fix: Add meaningful alt attributes to all informative images for accessibility and image SEO.
Technical Optimization
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HTTPS Pass
Page is served over HTTPS.
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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.
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Security Headers Warning
Missing: content-security-policy, x-frame-options, x-content-type-options, referrer-policy.
Full HTTP headers (14)
- • access-control-allow-origin: *
- • age: 5213
- • cache-control: public, max-age=0, must-revalidate
- • content-disposition: inline
- • content-encoding: br
- • content-type: text/html; charset=utf-8
- • date: Sat, 25 Apr 2026 09:12:20 GMT
- • etag: W/"890aa908f4957d31a7229cbc3e0e29da"
- • last-modified: Sat, 25 Apr 2026 07:45:27 GMT
- • server: Vercel
- • strict-transport-security: max-age=63072000; includeSubDomains; preload
- • x-vercel-cache: HIT
- • x-vercel-enable-rewrite-caching: 1
- • x-vercel-id: iad1::nnztj-1777108340358-f6f119701025
Fix: Add the missing security headers at your reverse proxy or application layer.
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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.
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Cookie Security Pass
No first-party cookies were set during the initial page load.
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Server response headers do not expose version tokens.
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Cloudflare Proxy Warning
Domain does not appear to be behind Cloudflare.
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Perceived Load Time Pass
Loaded in 0.49s (perceived).
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Render Blocking Resources Warning
0 scripts and 2 styles may block rendering.
- • style: https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap
- • style: https://knowledge-core-rouge.vercel.app/assets/index-jfOJW_07.css
Fix: Defer non-critical scripts and inline critical CSS to improve first paint speed.
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Compression Pass
Text-like assets appear compressed.
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Robots.txt Pass
Found robots.txt (200).
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Sitemap File Warning
Sitemap missing or inaccessible at https://knowledgecore.lovable.app/sitemap.xml (404).
Fix: Publish a sitemap.xml and reference it in robots.txt with: Sitemap: https://knowledge-core-rouge.vercel.app/sitemap.xml
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Crawl Directives Pass
Robots meta found: index, follow, max-image-preview:large, max-snippet:-1
Accessibility Basics
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Form Labels Error
1 of 1 controls are missing labels.
- • input[type="text"].w-full.bg-transparent (Search your thoughts...)
Fix: Associate each form control with a visible label, aria-label, or aria-labelledby.
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Landmarks Warning
Missing landmarks: header, main.
Fix: Use semantic regions (<header>, <nav>, <main>, <footer>) for navigation and assistive tech.
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Tap Target Size Warning
20 interactive elements appear smaller than 48px.
- • a.flex.items-center (KnowledgeCore) - 205x36px
- • a.hidden.text-xs (Features) - 72x16px
- • a.hidden.text-xs (Demo) - 41x16px
- • a.hidden.text-xs (Pricing) - 57x16px
- • button.inline-flex.items-center (Toggle theme) - 40x40px
- • button.inline-flex.items-center (Start capturing — free) - 233x44px
- • button.inline-flex.items-center (See it in action) - 178x44px
- • button.relative.flex (Capture) - 98x28px
- • button.relative.flex (Resurface) - 111x28px
- • button.relative.flex (Related) - 95x28px
- • button.flex.items-center (Capture a thought) - 124x16px
- • button.inline-flex.items-center (Get started) - 306x40px
- • button.relative.rounded-full (monthly) - 76x20px
- • button.relative.rounded-full (annually) - 78x20px
- • button.inline-flex.items-center (Get started) - 306x40px
- • button.inline-flex.items-center (Start capturing — free) - 249x44px
- • button.group.inline-flex (Get Chrome extension) - 251x34px
- • a.hover:text-foreground.transition-colors (GitHub) - 53x16px
- • a.hover:text-foreground.transition-colors (Docs) - 40x16px
- • a.hover:text-foreground.transition-colors (Twitter) - 62x16px
Fix: Increase target size to at least 48x48 CSS pixels for touch interactions.
Social & Rich Results
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Open Graph Basics Pass
Core Open Graph tags are present.
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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.
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Twitter Card Pass
twitter:card set to summary_large_image.
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Structured Data Pass
JSON-LD schema detected.
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PWA Metadata Pass
Manifest and Apple touch icon are configured.
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Open Graph/Twitter Quality Warning
2 social preview quality issues detected.
- • ISSUE: og:url points to a different origin than the scanned page.
- • ISSUE: Preview image URL failed with HTTP 404: https://knowledgecore.lovable.app/og-image.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
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Internal Links Pass
Checked 0 links. No broken internal links found.
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External Links Pass
No broken external links found in checked URLs.
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Link Format Warning
3 links are empty, invalid, or placeholder-only.
- • href="#" text="GitHub"
- • href="#" text="Docs"
- • href="#" text="Twitter"
Fix: Replace empty/#/javascript href values with real destinations or use buttons for non-navigation actions.
Performance & Runtime
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Core Web Vitals: LCP Pass
Largest Contentful Paint: 0.65s.
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Core Web Vitals: CLS Pass
Cumulative Layout Shift: 0.000.
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Total Blocking Time estimate: 78ms.
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Broken Assets Pass
No failed CSS/JS/image/font/media requests detected.
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No console/page runtime errors detected during audit.