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lumni.fr

https://lumni.fr· First analyzed 27 Apr 2026· Updated 27 Apr 2026
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lumni.fr
Desktop screenshot of lumni.fr
Mobile screenshot of lumni.fr
Mobile

Sponsored

Hosting Provider

CLOUD

IP Address

193.57.128.103

Site Location

🇫🇷 Francevia tld

Server Location

🇫🇷 Paris, France

ASN

AS24843

CDN

Akamai

WAF

Akamai

Nameservers

ns-1150.awsdns-15.org.ns-1585.awsdns-06.co.uk.ns-458.awsdns-57.com.ns-532.awsdns-02.net.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
528 ms10%
Speed Index
686 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
588 KB
79 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
CMS
Ghost
Infrastructure
Hosting
CLOUD
CDN
Akamai

Progressive Web App

PWA ReadyWeb ManifestService WorkerApple Touch IconTheme Color

Technology Stack

4 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Analytics

1
Google Analytics

Other

1
AB Tasty

Customer Support

1
Zendesk

SEO Analysis

B70/100
22
5
2
Meta Tags8/15
Content10/12
Headings8/8
Technical22/25
E-E-A-T2/7
Images4/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile3/4
Indexability3/3
L
lumni.frlumni.fr

Lumni | Des vidéos, quiz et jeux gratuits pour réviser tes cours et...

Lumni est une offre de contenus multimédias gratuits pour les élèves, parents, enseignants et médiateurs, qui permet un accès à la culture, au savoir et à la...

Title truncated. Description truncated.
Title Length78 chars

Recommended: 50-60 chars (~471px / 580px)

Description Length171 chars

Recommended: 120-160 chars

Issues (2)

  • • Title is too long (78 chars, ~471px). Will be truncated in search results.
  • • Most images missing alt text (57/86) — critical for accessibility and SEO

7 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

13 URLs

13 sub-sitemaps

robots.txt

33 rules

Local SEO

Local Search Readiness

16/100
Poor
4 14

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D45/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
7/25
Citation
11/25

AI Bot Access

14/14 accessible
AI Search
OAI-SearchBot
PerplexityBot
Claude-SearchBot
Gemini-Deep-Research
DuckAssistBot
Training
GPTBot
ClaudeBot
Google-Extended
Meta-ExternalAgent
Bytespiderinfo
Amazonbot
Applebot-Extended
CCBotinfo
Fetch
ChatGPT-User

Machine Readability

llms.txt
llms-full.txt
Semantic HTML
Heading Hierarchy
Text ratio:3%
Words:1,059
Token eff.:Optimal

Structured Data

2 JSON-LD
Organization×1.1WebSiteSearchAction
sameAs entity links

Citation Readiness

Opening Summary35w
Descriptive Headingsavg 3.2w
Canonical URL
Open Graph0/3
Twitter Card0/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (11)
AI readiness recommendation preview...
Upgrade to view recommendations

Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.
A+
94/100
17
Passed
0
Critical
1
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
20/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
15/15
Verifies form fields have labels, error messages are clear, and inputs are properly associated.
Color & Contrast
15/15
Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.
Keyboard & Focus
15/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
9/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.
60/100
A
73 mg
CO₂e / view
588.0 KB
Page Weight
80%
Cleaner Than
New Visitor
83 mg
vs
Returning (cached)
42 mg
Annual (10K/mo)
8.7 kg
Emission Segments
Data Center
16 mg
Network
18 mg
Device
39 mg
Resource Breakdown
JavaScript
43.0 KB
Images
298.5 KB
CSS
158.9 KB
HTML
25.7 KB
Other
62.0 KB
Green Hosting Not Verified
CLOUD
4 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
D

Security Score

45%Poor
Critical / Transactional

HTTPS

WAF

55d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

24.03.2026

Valid Until

22.06.2026

Subject Alternative Names (1)

www.lumni.fr

SHA-256 Fingerprint

8E:32:95:10:53:10:23:06:DB:16:09:4D:31:A4:F5:FE:C9:C9:D2:B0...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges
bytes
alt-svc
h3=":443"; ma=93600
cache-control
🟡 900s(max-age=900, public)
content-encoding
📦 Gzip(gzip)
content-length
26002
content-security-policy
base-uri https://www.lumni.fr; frame-ancestors https://www.l...
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

20

SPF
DKIM
DMARC

MX Records (1)

lumni-fr.mail.protection.outlook.com

Domain Information

lumni.fr

Domain Age
6y 7m

Created

03.09.2019

Expires

03.09.2026

Last Updated

08.12.2025

Registrar

CSC CORPORATE DOMAINS INC.

DNSSEC
Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner
Quantcast Choice
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: Quantcast Choice
Privacy policy page linked
Data Protection Officer mentioned

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.
A
82/100
Mobile Friendly2 breakpoints
Viewport Meta
The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.
Responsive Design
Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.
Touch Icons
Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.
Readable Font Size
Base font size should be at least 16px on mobile to ensure text is readable without zooming.
Relative Units
Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.
No H-Scroll Risk
No elements wider than the viewport that would cause horizontal scrolling on mobile devices.
Tap Targets OK
Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.
No Fixed Widths
No elements with fixed pixel widths that could overflow on smaller screens and break the layout.
Viewport
width=device-width, initial-scale=1, maximum-scale=3.0
1 recommendation
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Golos

WCAG Partial
70/100
Readability
/30
21/30

14px · LH 1.40

Hierarchy
/20
17/20

4x ratio · ✓ H1→H6

WCAG
/25
16/25

1:1 min contrast

Performance
/25
16/25

1 font · 7 req

Heading Font

Golos

Sans56px

Body Font

Golos

Sans14px

Contrast Ratio

1:1

10 issues

Reading Comfort

~38 CPL

Narrow lines
56px
h1
28px
h2
32px
h3
14px
p

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

✅ Optimal line spacing: 1.40 ratio (ideal range 1.4–1.6).

⚠️ Partial contrast: 10 elements below WCAG AA threshold (min 1.0:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

✅ Strong hierarchy: Headlines are 4.0x larger than body text.

⚠️ Text justify detected: Justified text creates uneven word spacing, hurting readability on web.

Buy on MyFontsFluid TypeFlesch 61

Color Palette

7 unique colors
12.09:1 AAA Light
#ffffff
Background· 28.9%
#3a343c
Other· 4.1%
#12174e
Accent· 25.400000000000002%
#020204
Primary· 12.8%
#0c0d1b
Secondary· 2.7%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

13 Resources

12
Scripts
1
Styles
5
Async
5
Defer

Top Script Sources

local(5)sdk.privacy-center.org(2)tag.aticdn.net(2)s.go-mpulse.net(1)cdn.tagcommander.com(1)

Website Identity

Lumni

Lumni

Organization
www.lumni.fr
6 years old
Location detected: 🇫🇷 Francevia tld
CSC CORPORATE DOMAINS INC.📧 Microsoft 365fr

Sponsored

Last analyzed: 27 Apr 2026 at 20:01

Historical Analysis & Change Tracking