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preussischer-kulturbesitz.de

https://preussischer-kulturbesitz.de· First analyzed 14 May 2026· Updated 14 May 2026
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preussischer-kulturbesitz.de
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Mobile

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Hosting Provider

Stiftung Preussischer Kulturbesitz, Staatsbibliothek zu Berlin

IP Address

194.94.132.29

Site Location

🇩🇪 Germanyvia tld

Server Location

🇩🇪 Gatersleben, Germany

ASN

AS680

Organization

Stiftung Preussischer Kulturbesitz, Staatsbibliothek zu Berlin

Server

Apache

Nameservers

ns.staatsbibliothek-berlin.de.dns-2.dfn.de.deneb.dfn.de.ns1.staatsbibliothek-berlin.de.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
547 ms10%
Speed Index
711 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
524 KB
29 requests

Image Optimization

Responsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
TYPO3

Technology Stack

3 Technologies Detected

CSS Frameworks

1
Tailwind CSS

Analytics

1
Matomo

Web Servers

1
Apachev2.4.67

SEO Analysis

C67/100
18
6
1
Meta Tags9/15
Content11/12
Headings8/8
Technical16/25
E-E-A-T0/7
Images2/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile4/4
Indexability3/3
P
preussischer-kulturbesitz.depreussischer-kulturbesitz.de

Stiftung Preußischer Kulturbesitz (SPK) - Stiftung Preußischer Kult...

Stiftung Preußischer Kulturbesitz (SPK): Forschungsinstitute, Archive, Bibliotheken, Museen in Berlin. Eine der bedeutendsten Kultureinrichtungen weltweit.

Title truncated.
Title Length75 chars

Recommended: 50-60 chars (~447px / 580px)

Description Length155 chars

Recommended: 120-160 chars

Issues (1)

  • • Title is too long (75 chars, ~447px). Will be truncated in search results.

7 issues found

Upgrade to view details

Crawlability

Sitemap
robots.txt

9 rules

Local SEO

Local Search Readiness

10/100
Poor
3 13 2

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

Sponsored

AI & LLM Readiness

D48/100
Bot Access
20/25
Machine Read.
13/25
Schema Data
0/25
Citation
15/25

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
navheader/footer
Text ratio:10%
Words:591
Token eff.:Optimal
Sections/1K:42.3
Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary60w
Descriptive Headingsavg 5.3w
Canonical URL
Open Graph2/3
Twitter Card3/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (8)
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
87/100
15
Passed
1
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
9/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
8/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
2 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.
57/100
A
65 mg
CO₂e / view
523.8 KB
Page Weight
80%
Cleaner Than
New Visitor
74 mg
vs
Returning (cached)
37 mg
Annual (10K/mo)
7.8 kg
Emission Segments
Data Center
15 mg
Network
16 mg
Device
35 mg
Resource Breakdown
JavaScript
193.1 KB
Images
131.7 KB
CSS
187.4 KB
HTML
9.5 KB
Other
2.1 KB
Green Hosting Not Verified
Stiftung Preussischer Kulturbesitz, Staatsbibliothek zu Berlin
4 recommendations
  • •Carbon footprint recommendation preview...
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F

Security Score

31%Critical
Interactive

HTTPS

No WAF

99d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Hellenic Academic and Research Institutions CA

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

21.08.2025

Valid Until

21.08.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

preussischer-kulturbesitz.dewww.preussischer-kulturbesitz.de

SHA-256 Fingerprint

67:18:7F:80:B4:61:78:E0:2E:47:32:B0:53:F2:59:D8:45:18:A5:1B...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🔴 No Cache(private, no-store, max-age=0)
connection
Keep-Alive
content-encoding
📦 Gzip(gzip)
content-language
de-DE
content-length
9389
content-type
text/html;charset=utf-8
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

0

SPF
DKIM
DMARC

Domain Information

preussischer-kulturbesitz.de

Last Updated

14.03.2025

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.
D
56/100
Mobile Friendly1 breakpoint
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
initial-scale=1.0,width=device-width
2 recommendations
  • •Mobile compatibility recommendation preview...
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Typography & Readability

arial

WCAG Partial
76/100
Readability
/30
19/30

14px · LH 1.57

Hierarchy
/20
20/20

2.86x ratio · ✓ H1→H6

WCAG
/25
17/25

1:1 min contrast

Performance
/25
20/25

System fonts

Heading Font

arial

Sans40px

Body Font

arial

Sans14px

Contrast Ratio

1:1

34 issues

Reading Comfort

~39 CPL

Narrow lines
40px
h1
30px
h2
20px
h3
18px
h4
14px
p

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

✅ Optimal line spacing: 1.57 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 30/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 34 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 2.9x larger than body text.

Flesch 30

Color Palette

7 unique colors
17.94:1 AAA Light
#ededed
Background· 26.100000000000005%
#000000
Background· 16.8%
#818acb
Primary· 13.5%
#484251
Secondary· 5.4%

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

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Scripts & Styles

7 Resources

5
Scripts
2
Styles
2
Async
1
Defer

Top Script Sources

local(4)webstats.sbb.berlin(1)

Website Identity

preussischer-kulturbesitz.de

Location detected: 🇩🇪 Germanyvia tld
de

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Last analyzed: 14 May 2026 at 13:00

Historical Analysis & Change Tracking