Certified Website Score for

luttie.app

Color grading in your browser. Generate and edit LUTs to get cinematic looks. Export to DaVinci Resolve, Premiere Pro, Final Cut Pro, and CapCut.

First audit: April 21, 2026•Last audit: September 12, 2026

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Overall

97Website Quality

77Trust & Security

92PageSpeed

Score trend

Domain Rating by Ahrefs

Latest audit — September 12, 2026

Deep, transparent insight into how this score is built: PageSpeed vitals, on‑page quality signals, and trust & security checks — all broken down into clear, verifiable items you can act on.

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Website Quality

1902

97/100

1902

Site Quality

Title

20/20

Luttie — Generate Custom LUTs & Color Grade Online

50 chars (ideal 30–60)

Meta Description

15/15

Color grading in your browser. Generate and edit LUTs to get cinematic looks. Export to DaVinci Resolve, Premiere Pro, Final Cut Pro, and CapCut.

145 chars (ideal 120–160)

Favicon

3/3

https://luttie.app/icon.png?3266eca973541364

present

Viewport meta

8/8

width=device-width, initial-scale=1, viewport-fit=cover

correct (width=device-width, initial-scale=1)

robots.txt

6/6

User-Agent: * Allow: / Allow: /api/lut-assets/ Allow: /api/pin-image/ Disallow: /api/ Sitemap: https://luttie.app/sitemap.xml

perfect (User-agent + Allow + Sitemap)

Sitemap

7/7

https://luttie.app/sitemap.xml

present

llms.txt

0/0

present

Headings

6/6

H1Color grade in your browser.

H23 Simple Steps to go from Footage to LUT

H3Upload your image or video

H3Craft your look

H3Export

H2Your full color grading workflow. No download needed.

H32 Ways to Color-Grade with AI

H3Grain, Halation & Bloom

H3Film Grain

H3Halation & Bloom

H3Node Graph

H3RGB Curves

H3Color Wheels

H3HSL Secondary

H3LUT Export & Pack

H3Vignette

H3Color Match

H3RAW + Camera-Aware LUTs

H2Pricing

H2Got questions?

H2Start color grading in your browser

H3Product

H3Resources

H3Features

H3Tools

H3Made for

H3Compare

H3Works with

correct structure

Schema.org JSON-LD

2/2

Software App: Luttie

1 schema found

Canonical URL

8/8

https://luttie.app

present

HTML lang

4/4

present

Character encoding

4/4

utf-8

present

Open Graph

Title

3/3

Luttie — Generate Custom LUTs & Color Grade Online

present

Description

3/3

Generate custom .cube LUTs in your browser. Color grading with color match, curves, and HSL — export to DaVinci Resolve, Premiere Pro, Final Cut Pro, and CapCut.

present

Image

3/3

https://luttie.app/og-image.png

present

URL

0/3

missing (add <meta property='og:url'> with full URL)

Type

1/1

website

present

Twitter Cards

Card Type

1/1

summary_large_image

present

Title

1/1

Luttie — Generate Custom LUTs & Color Grade Online

present

Description

1/1

Generate custom .cube LUTs in your browser. Color grading for DaVinci Resolve, Premiere Pro, Final Cut Pro, and CapCut.

present

Image

1/1

https://luttie.app/og-image.png

present

Trust & Security

502

77/100

502

Security Headers

HTTPS

30/30

HTTPS enabled

HTTP Strict Transport Security

15/15

Strict-Transport-Security: max-age=31536000; includeSubDomains

Content Security Policy

15/15

Content-Security-Policy: default-src 'self'; script-src 'self' 'unsafe-inline' 'wasm-unsafe-eval' 'unsafe-eval' https://*.clerk.com https://*.clerk.accounts.dev https://clerk.luttie.app https://analytics.luttie.app https://js.stripe.com; style-src 'self' 'unsafe-inline' https://api.fontshare.com; img-src 'self' data: blob: https://img.clerk.com https://*.stripe.com; font-src 'self' https://api.fontshare.com https://cdn.fontshare.com; media-src 'self' blob:; connect-src 'self' https://*.clerk.com https://*.clerk.accounts...

Frame Protection

5/5

X-Frame-Options: SAMEORIGIN

MIME Type Protection

5/5

X-Content-Type-Options: nosniff

Domain Trust

Domain Rating

7/25

How to improve DR→

DR 7

/100

1525

Domain Rating by Ahrefs

Domain Age

0/5

no domain age records found

Registrar

no registrar record found

Country

Unknown

Infrastructure

Provider

no hosting or CDN provider detected

PageSpeed

9918

92/100

9918

Performance

100

SEO

100

Best Practices

Accessibility

Performance

55/100

Largest Contentful Paint

0/25

10.7s

2.5s4.0s

First Contentful Paint

4/10

3.3s

1.8s3.0s

Total Blocking Time

21/30

373ms

200ms400ms

Cumulative Layout Shift

25/25

0.00

0.100.25

Speed Index

4/10

6.2s

3.4s5.4s

SEO

100/100

Page isn’t blocked from indexing

31/31

Document has a `<title>` element

8/8

Document has a meta description

8/8

Page has successful HTTP status code

8/8

Links have descriptive text

8/8

Links are crawlable

8/8

robots.txt is valid

8/8

Image elements have `[alt]` attributes

8/8

Document has a valid `hreflang`

8/8

Document has a valid `rel=canonical`

8/8

Best Practices

100/100

Uses HTTPS

19/19

Avoids deprecated APIs

19/19

Avoids third-party cookies

19/19

Allows users to paste into input fields

12/12

Avoids requesting the geolocation permission on page load

4/4

Avoids requesting the notification permission on page load

4/4

Displays images with correct aspect ratio

4/4

Serves images with appropriate resolution

4/4

Page has the HTML doctype

4/4

Properly defines charset

4/4

No browser errors logged to the console

4/4

No issues in the `Issues` panel in Chrome Devtools

4/4

Accessibility

95/100

`[aria-*]` attributes match their roles

5/5

`[aria-hidden="true"]` is not present on the document `<body>`

5/5

`[role]`s have all required `[aria-*]` attributes

5/5

`[role]` values are valid

5/5

`[aria-*]` attributes have valid values

5/5

`[aria-*]` attributes are valid and not misspelled

5/5

Buttons have an accessible name

5/5

Image elements have `[alt]` attributes

5/5

Form elements have associated labels

5/5

`[user-scalable="no"]` is not used in the `<meta name="viewport">` element and the `[maximum-scale]` attribute is not less than 5.

5/5

ARIA attributes are used as specified for the element's role

4/4

`[aria-hidden="true"]` elements do not contain focusable descendents

4/4

Elements use only permitted ARIA attributes

4/4

Background and foreground colors have a sufficient contrast ratio

4/4

Document has a `<title>` element

4/4

`<html>` element has a `[lang]` attribute

4/4

`<html>` element has a valid value for its `[lang]` attribute

4/4

Links are distinguishable without relying on color.

4/4

Links have a discernible name

4/4

Lists contain only `<li>` elements and script supporting elements (`<script>` and `<template>`).

4/4

List items (`<li>`) are contained within `<ul>`, `<ol>` or `<menu>` parent elements

4/4

No element has a `[tabindex]` value greater than 0

4/4

Touch targets do not have sufficient size or spacing.

0/4

Heading elements appear in a sequentially-descending order

2/2

Document does not have a main landmark.

0/2

Deprecated ARIA roles were not used

1/1

Elements with `role="none"` or `role="presentation"` do not have conflicts

1/1

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