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dgnb.de

https://dgnb.de· First analyzed 01 May 2026· Updated 01 May 2026
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dgnb.de
Desktop screenshot of dgnb.de
Mobile screenshot of dgnb.de
Mobile

Sponsored

Hosting Provider

Only announced in case of DDoS

IP Address

45.144.132.86

Site Location

🇩🇪 Stuttgart, Germanyvia tld

Server Location

🇩🇪 Cologne, Germany

ASN

AS29423

Organization

Only announced in case of DDoS

Server

Nginx

Nameservers

ns01.agenturserver.de.ns01.agenturserver.co.ns01.agenturserver.it.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
539 ms10%
Speed Index
701 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
2.9 MB
46 requests

Image Optimization

Responsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
TYPO3

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

3 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Analytics

1
Matomo

Web Servers

1
Nginx

SEO Analysis

A81/100
24
5
1
Meta Tags13/15
Content10/12
Headings8/8
Technical22/25
E-E-A-T3/7
Images1/7
Links5/5
URL5/5
Social5/5
Freshness2/4
Mobile4/4
Indexability3/3
D
dgnb.dedgnb.de

Deutsche Gesellschaft für Nachhaltiges Bauen | DGNB

2007 gegründet, ist die DGNB heute Europas größtes Netzwerk für nachhaltiges Bauen. Ziel des Vereins ist es, Nachhaltigkeit in der Bau- und Immobilienwirtsch...

Description truncated.
Title Length51 chars

Recommended: 50-60 chars (~310px / 580px)

Description Length658 chars

Recommended: 120-160 chars

Issues (1)

  • • Most images missing alt text (16/19) — critical for accessibility and SEO

6 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

7 URLs

7 sub-sitemaps

robots.txt

22 rules

Sitemap reference found

Local SEO

Local Search Readiness

30/100
Needs Work
8 12 1

Sponsored

AI & LLM Readiness

D58/100
Bot Access
20/25
Machine Read.
13/25
Schema Data
7/25
Citation
18/25

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
nav
Text ratio:4%
Words:2,220
Token eff.:Optimal
Sections/1K:0.5
Depth:1/5

Structured Data

1 JSON-LD
Article×1.2microdataPerson×1.3microdataWebSite

Citation Readiness

Opening Summary56w
Descriptive Headingsavg 8.3w
Canonical URL
Open Graph3/3
Twitter Card3/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (6)
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.
B
76/100
11
Passed
1
Critical
2
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
10/15
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
9/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
2/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
3 recommendations
  • •Accessibility recommendation preview...
Upgrade to view recommendations

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.
21/100
F
367 mg
CO₂e / view
2.9 MB
Page Weight
30%
Cleaner Than
New Visitor
420 mg
vs
Returning (cached)
210 mg
Annual (10K/mo)
44.1 kg
Emission Segments
Data Center
82 mg
Network
88 mg
Device
197 mg
Resource Breakdown
JavaScript
190.2 KB
Images
1.8 MB
CSS
904.5 KB
HTML
18.7 KB
Other
5.6 KB
Green Hosting Not Verified
Only announced in case of DDoS
6 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

36%Critical
Interactive

HTTPS

No WAF

167d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

31.03.2026

Valid Until

16.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.dgnb.dedgnb.de

SHA-256 Fingerprint

AF:6D:BE:CB:21:B5:3A:18:73:72:16:F8:97:16:DE:34:E1:F5:C2:99...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

content-encoding
📦 Gzip(gzip)
content-language
de
content-type
text/html; charset=utf-8
date
Fri, 01 May 2026 18:39:38 GMT
server
nginx
strict-transport-security
max-age=31536000; includeSubdomains; preload
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

45

SPF
DKIM
DMARC

MX Records (1)

dgnb-de.mail.protection.outlook.com

Domain Information

dgnb.de

Last Updated

11.03.2020

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Privacy policy page linked

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.
C
63/100
Mobile Friendly
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=1.0, shrink-to-fit=no, user-scalable=no
4 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Hind

WCAG Partial
70/100
Readability
/30
23/30

16px · LH 1.50

Hierarchy
/20
20/20

4.38x ratio · ✓ H1→H6

WCAG
/25
14/25

1:1 min contrast

Performance
/25
13/25

1 font · 5 req

Heading Font

Hind

Sans70px

Body Font

Hind

Sans16px

Contrast Ratio

1:1

16 issues

Reading Comfort

~38 CPL

Narrow lines
70px
h1
38px
h2
22px
h3
22px
h4
16px
p

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

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

❌ Very complex text: Flesch score 21/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 16 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 4.4x larger than body text.

Buy on MyFontsFlesch 21

Color Palette

12 unique colors
11.36:1 AAA Light
#ffffff
Primary· 23.4%
#383b37
Other· 5.5%
#444f40
Secondary· 7.5%
#1c1c13
Secondary· 6.3%
#6b7b54
Secondary· 6.2%
#cdd2b7
Secondary· 5.7%
#61564a
Secondary· 5.5%
#9eb683
Secondary· 5.3%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

2
Matomo (Piwik)Mid-Market
Google AnalyticsFree

User behavior and product analytics

1

Categories

2

Total Tools

0

Enterprise

1

Mid-Market

Assessment: Growing marketing technology adoption

Sponsored

Scripts & Styles

8 Resources

7
Scripts
1
Styles
1
Async
3
Defer

Top Script Sources

local(6)matomo.dgnb.de(1)

Website Identity

DGNB GmbH

www.dgnb.de//de/
Location detected: 🇩🇪 Germany, Stuttgartvia tld
📧 Microsoft 365de-DE

Social Profiles

LinkedInYouTube

Sponsored

Last analyzed: 01 May 2026 at 18:39

Historical Analysis & Change Tracking