luttie.app

Last checked 9h ago · 4 issues found

94Overall

80Speed

98SEO

97Security

100AI readiness

Speed 2 to fix

✕
Largest Contentful Paint
4.4 s
Fix: 🔒 Unlock with Pro
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Mobile performance score
80/100 on Google PageSpeed (mobile)
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Reduce unused JavaScript
Potential saving about 0.5s
Fix: 🔒 Unlock with Pro
✓
Server response time
Homepage started responding in 174 ms.
✓
Cumulative Layout Shift
0
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Total Blocking Time
130 ms
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Desktop performance score
97/100 on Google PageSpeed (desktop)

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Social share tags
Missing: og:url
Fix: 🔒 Unlock with Pro
✓
Homepage returns 200
HTTP 200
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Title tag
"Luttie — Generate Custom LUTs & Color Grade Online" (54 chars)
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Meta description
145 characters
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One H1 heading
1 H1 tag(s) found.
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Canonical URL
https://luttie.app
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Page can be indexed
No noindex directive.
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Language declared
lang="en"
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Mobile viewport
Viewport meta tag present.
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Image alt text
0 of 25 images have no alt attribute.
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Short redirect chain
http://luttie.app/ takes 1 redirect(s): 302 → https://luttie.app/
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Enough content on the page
1040 words of visible text.
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Character encoding
Charset declared in the HTML.
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Favicon
Favicon found.
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X (Twitter) card tags
twitter:card = summary_large_image, image set
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robots.txt
Found at /robots.txt.
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XML sitemap
Found at https://luttie.app/sitemap.xml
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No broken internal links
Checked 15 internal links from the homepage.
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Accessibility
95/100 on Google Lighthouse
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Best practices
100/100 on Google Lighthouse

!
Server software not exposed
Headers reveal: Next.js
Fix: 🔒 Unlock with Pro
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Served over HTTPS
The homepage loads over HTTPS.
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HTTP redirects to HTTPS
http:// returns 302 to HTTPS.
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HSTS header
strict-transport-security: max-age=31536000; includeSubDomains
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Content Security Policy
content-security-policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'wasm-unsafe-eval' 'unsafe-eval' https://*.clerk.com https://*.cle
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Clickjacking protection
X-Frame-Options: SAMEORIGIN
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X-Content-Type-Options
x-content-type-options: nosniff
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Referrer-Policy
referrer-policy: strict-origin-when-cross-origin
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Permissions-Policy
permissions-policy: camera=(), microphone=(), geolocation=(), payment=(self "https://js.stripe.com"), usb=(), interest-cohort=()
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No mixed content
All resources load over HTTPS.

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AI crawlers allowed in robots.txt
GPTBot, ClaudeBot, PerplexityBot and others are not blocked.
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AI crawlers not blocked by firewall
Homepage loads for GPTBot, OAI-SearchBot, ClaudeBot and PerplexityBot.
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Content readable without JavaScript
1040 words in the raw HTML. Most AI crawlers don't run JavaScript.
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llms.txt file
Found at /llms.txt (12769 characters).
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Structured data (schema.org)
JSON-LD types: SoftwareApplication
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Clear page summary
AI answers often reuse your title and meta description to describe you.