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zkn.de

https://zkn.de· First analyzed 29 May 2026· Updated 29 May 2026
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zkn.de
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Mobile

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Hosting Provider

Mittwald CM Service GmbH und Co.

IP Address

156.67.232.121

Site Location

🇩🇪 Germanyvia tld

Server Location

🇩🇪 Espelkamp, Germany

ASN

AS15817

Organization

Mittwald CM Service GmbH und Co.

Server

Apache

Nameservers

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

Performance

96

Core Web Vitals

Weight

First Contentful Paint
1.0 s10%
Speed Index
1.4 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
8.8 MB
50 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPressv6.9
cms
zknv1.0.0Custom
by David Iwertowski
View Theme

Technology Stack

11 Technologies Detected

Plugins

8
Fortbildungen Wp Admin FormPopup Maker
Contact Form 7
Download ManagerSimple NewsHide Admin Bar Based On User RolesFlowpaper Lite Pdf FlipbookInteractive 3D Flipbook Powered Physics Engine

Libraries

1
jQueryv3.7.1

CSS Frameworks

1
Tailwind CSS

Web Servers

1
Apache

SEO Analysis

D55/100
15
6
4
Meta Tags4/15
Content11/12
Headings3/8
Technical19/25
E-E-A-T0/7
Images1/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile4/4
Indexability3/3
Z
zkn.dezkn.de

ZKN – Zahnärztekammer Niedersachsen – ZKN – Zahnärztekammer Nieders...

No description available for this page.

Title truncated.
Title Length73 chars

Recommended: 50-60 chars (~459px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (4)

  • • Title is too long (73 chars, ~459px). Will be truncated in search results.
  • • Missing meta description — important for click-through rates in SERPs
  • • Missing H1 tag — every page should have exactly one H1

10 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

5 URLs

5 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Local SEO

Local Search Readiness

3/100
Poor
1 14 2

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

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AI & LLM Readiness

F38/100
Bot Access
20/25
Machine Read.
10/25
Schema Data
0/25
Citation
8/25

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:5%
Words:687
Token eff.:Optimal
Sections/1K:1.5
Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary194w
Descriptive Headingsavg 1.5w
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...
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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.
D
57/100
8
Passed
4
Critical
1
Warnings
Images & Alt Text
5/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
13/20
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
0/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
4 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.
36/100
F
908 mg
CO₂e / view
8.8 MB
Page Weight
5%
Cleaner Than
New Visitor
1.04 g
vs
Returning (cached)
519 mg
Annual (10K/mo)
109.0 kg
Emission Segments
Data Center
45 mg
Network
267 mg
Device
597 mg
Resource Breakdown
JavaScript
117.9 KB
Images
8.0 MB
CSS
697.9 KB
HTML
22.1 KB
Green Hosting Verified
Mittwald CM Service GmbH & Co. KG
GWF Verified
5 recommendations
  • •Carbon footprint recommendation preview...
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A+

Security Score

95%Excellent
Static / Informational

HTTPS

No WAF

131d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (3072 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

07.09.2025

Valid Until

07.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.zkn.dezkn.de

SHA-256 Fingerprint

93:68:3A:B7:A5:F4:C8:99:90:EF:2C:89:1C:8A:E9:AC:DB:93:6C:68...

Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🟡 1997s(max-age=1997, public)
content-encoding
📦 Gzip(gzip)
content-type
text/html; charset=UTF-8
date
Fri, 29 May 2026 04:50:27 GMT
etag
"bc423c6991cdaed067bb6887e01eab9c"
last-modified
Fri, 29 May 2026 04:23:44 GMT
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

100

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

zkn-de.mail.protection.outlook.com

Domain Information

zkn.de

Last Updated

05.03.2020

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
68/100
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
width=device-width, initial-scale=1
1 recommendation
  • •Mobile compatibility recommendation preview...
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Typography & Readability

Open Sans Semibold + Open Sans Regular

WCAG Partial
67/100
Readability
/30
21/30

18px · LH 1.80

Hierarchy
/20
7/20
WCAG
/25
19/25

1:1 min contrast

Performance
/25
20/25

2 fonts · 3 req

Heading Font

Open Sans Semibold

Sans

Body Font

Open Sans Regular

Sans18px

Contrast Ratio

1:1

2 issues

Reading Comfort

~33 CPL

Narrow lines
35px
h2
30px
h3
18px
p

✅ Excellent readability: 18px body text is ideal for all devices.

❌ Very complex text: Flesch score 12/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 2 elements below WCAG AA threshold (min 1.0:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).

✅ Lean font stack: 2 font families keeps load times fast.

Buy on MyFontsFluid Type (rem)Flesch 12

Color Palette

12 unique colors
Light
#ffffff
Background· 29.099999999999998%
#081718
Primary· 14.9%
#389fa4
Secondary· 8.8%
#102d2e
Secondary· 8.2%
#23585b
Secondary· 7%
#9ab9ba
Secondary· 6.8%
#297f83
Accent· 6.6%
#0b4863
Accent· 6.1%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

Social Media

1
Facebook SDKFree

Social widgets and sharing tools

2

Categories

2

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

25 Resources

15
Scripts
10
Styles
1
Async
0
Defer

Top Script Sources

zkn.de(13)local(2)

Website Identity

zkn.de

Location detected: 🇩🇪 Germanyvia tld
📧 Microsoft 365de

Social Profiles

FacebookInstagram

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Last analyzed: 29 May 2026 at 04:50

Historical Analysis & Change Tracking