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heidelberg-laureate-forum.org

https://heidelberg-laureate-forum.org· First analyzed 29 May 2026· Updated 29 May 2026
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heidelberg-laureate-forum.org
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Mobile

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Hosting Provider

Hits GmbH

IP Address

193.197.73.177

Site Location

🇩🇪 Germanyvia phone

Server Location

🇩🇪 Ulm, Germany

ASN

AS553

Organization

Hits GmbH

Server

Nginx

Nameservers

ns3.inwx.eu.ns2.inwx.de.

Performance

95

Core Web Vitals

Weight

First Contentful Paint
1.2 s10%
Speed Index
1.5 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.2 MB
77 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
TYPO3

Technology Stack

4 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Analytics

1
Matomo

Web Servers

1
Nginxv1.29.3

SEO Analysis

C69/100
18
8
1
Meta Tags7/15
Content11/12
Headings6/8
Technical19/25
E-E-A-T3/7
Images5/7
Links5/5
URL5/5
Social2/5
Freshness0/4
Mobile3/4
Indexability3/3
H
heidelberg-laureate-forum.orgheidelberg-laureate-forum.org

Laureates of mathematics and computer science meet the next generat...

The Heidelberg Laureate Forum (HLF) is a networking conference where 200 carefully selected young researchers in mathematics and computer science spend a wee...

Title truncated. Description truncated.
Title Length98 chars

Recommended: 50-60 chars (~610px / 580px)

Description Length215 chars

Recommended: 120-160 chars

Issues (1)

  • • Title is too long (98 chars, ~610px). Will be truncated in search results.

9 issues found

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Crawlability

Sitemap

Type: index

4 URLs

4 sub-sitemaps

robots.txt

Local SEO

Local Search Readiness

30/100
Needs Work
8 9 1

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AI & LLM Readiness

F34/100
Bot Access
20/25
Machine Read.
1/25
Schema Data
0/25
Citation
13/25

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:17%
Words:7,320
Token eff.:Excessive

Structured Data

1 JSON-LD

Citation Readiness

Opening Summary76w
Descriptive Headingsavg 7.3w
Canonical URL
Open Graph0/3
Twitter Card1/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (10)
AI readiness recommendation preview...
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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
81/100
13
Passed
3
Critical
1
Warnings
Images & Alt Text
15/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
18/20
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
11/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
7/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
3 recommendations
  • •Accessibility recommendation preview...
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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.
44/100
D
273 mg
CO₂e / view
2.2 MB
Page Weight
50%
Cleaner Than
New Visitor
312 mg
vs
Returning (cached)
156 mg
Annual (10K/mo)
32.8 kg
Emission Segments
Data Center
61 mg
Network
66 mg
Device
147 mg
Resource Breakdown
JavaScript
197.9 KB
Images
1.3 MB
CSS
618.4 KB
HTML
20.2 KB
Green Hosting Not Verified
Hits GmbH
3 recommendations
  • •Carbon footprint recommendation preview...
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F

Security Score

21%Critical
Interactive

HTTPS

No WAF

43d

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/1.1

Valid From

12.04.2026

Valid Until

11.07.2026

Subject Alternative Names (8)

heidelberg-laureate-forum.orgheidelberg-mains.orghlf-foundation.orgnewsroom.hlf-foundation.orgwww.heidelberg-laureate-forum.orgwww.heidelberg-mains.orgwww.hlf-foundation.orgwww.newsroom.hlf-foundation.org

SHA-256 Fingerprint

24:AF:C5:15:28:C4:89:08:11:39:E4:F3:0E:4B:CE:CB:3A:E0:70:A0...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges
bytes
cache-control
🟡 459s(max-age=459)
connection
keep-alive
content-encoding
📦 Gzip(gzip)
content-length
20348
content-type
text/html; charset=utf-8
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

73

SPF
DKIM
DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mx1.villa-bosch.de
mx2.villa-bosch.de

Domain Information

heidelberg-laureate-forum.org

Domain Age
14 years

Created

24.05.2012

Expires

24.05.2027

Last Updated

24.05.2026

Registrar

INWX GmbH

DNSSEC
Not Enabled

Privacy & Compliance

Cookiebot

Cookie Consent Banner
Cookiebot
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
CMP: Cookiebot
Privacy policy page linked
Legitimate interest basis 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.
B
76/100
Mobile Friendly24 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
1 recommendation
  • •Mobile compatibility recommendation preview...
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Typography & Readability

Josefin Sans + Montserrat

WCAG Partial
63/100
Readability
/30
25/30

16px · LH 1.60

Hierarchy
/20
13/20

2.62x ratio

WCAG
/25
12/25

1:1 min contrast

Performance
/25
13/25

2 fonts · 6 req

Heading Font

Josefin Sans

Sans42px

Body Font

Montserrat

Sans16px

Contrast Ratio

1:1

14 issues

Reading Comfort

~93 CPL

Wide lines
42px
h1
42px
h2
22px
h3
16px
p

✅ Excellent readability: 16px body text is ideal for all devices.

✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).

⚠️ Wide lines: ~93 chars/line. Use max-width: 65ch for comfortable reading.

⚠️ Hard to read: Flesch score 45/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 14 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

Buy on MyFontsFlesch 45

Color Palette

9 unique colors
Light
#ffffff
Background· 48.3%
#cad5db
Secondary· 13%
#003366
Primary· 0%
#d8e9f1
Secondary· 8.8%
#2a5485
Accent· 6.5%
#80a4b5
Secondary· 6%
#acb6bd
Secondary· 5.9%
#4f829b
Secondary· 5.6%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

Privacy & Cookies

1
CookiebotMid-Market

Cookie consent and privacy compliance tools

2

Categories

2

Total Tools

0

Enterprise

1

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

7 Resources

4
Scripts
3
Styles
1
Async
0
Defer

Top Script Sources

consent.cookiebot.com(2)consentcdn.cookiebot.com(1)local(1)

Website Identity

Heidelberg Laureate Forum

Heidelberg Laureate Forum

info@heidelberg-laureate-forum.org
+49 6221 533-380
www.heidelberg-laureate-forum.org/
14 years old
Location detected: 🇩🇪 Germanyvia phone
INWX GmbHen

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Last analyzed: 29 May 2026 at 08:59

Historical Analysis & Change Tracking