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zsi.at

https://zsi.at· First analyzed 24 May 2026· Updated 24 May 2026
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zsi.at
Desktop screenshot of zsi.at
Mobile screenshot of zsi.at
Mobile

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Hosting Provider

Hetzner
hetzner.com

IP Address

138.199.148.163

Site Location

🇦🇹 Austriavia tld

Server Location

🇩🇪 Falkenstein, Germany

ASN

AS24940

Organization

Hetzner

Server

Apache

Nameservers

hermes.zsi.at.ns3.zsi.at.zsi0.zsi.at.

Performance

77

Core Web Vitals

Weight

First Contentful Paint
2.8 s10%
Speed Index
3.6 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.1 MB
90 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms
ZSIv1.0Custom
by FONDA LABS Digitalwerkstatt GmbH
View Theme

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

8 Technologies Detected

Libraries

1
jQueryv3.7.1

CSS Frameworks

1
Tailwind CSS

Analytics

1
Matomo

Marketing

1
HubSpot

Email Marketing

1
Mailchimp

Web Servers

1
Apachev2.4.58

Languages

1
PHPv8.2.31

Plugins

1
Wp Media Folder

SEO Analysis

B76/100
25
6
2
Meta Tags4/15
Content10/12
Headings3/8
Technical25/25
E-E-A-T7/7
Images5/7
Links2/5
URL5/5
Social5/5
Freshness4/4
Mobile3/4
Indexability3/3
Z
zsi.atzsi.at

Home – ZSI

No description available for this page.

Title Length10 chars

Recommended: 50-60 chars (~62px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

  • • Missing meta description — important for click-through rates in SERPs
  • • Missing H1 tag — every page should have exactly one H1

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

18 URLs

18 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Local SEO

Local Search Readiness

35/100
Needs Work
10 11

Sponsored

AI & LLM Readiness

D56/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
13/25
Citation
16/25

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:6%
Words:2,485
Token eff.:Optimal

Structured Data

7 JSON-LD
Article×1.2Person×1.3Organization×1.1WebSiteSearchAction
sameAs entity links

Citation Readiness

Opening Summary139w
Descriptive Headings
Canonical URL
Open Graph2/3
Twitter Card2/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (8)
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
84/100
15
Passed
3
Critical
1
Warnings
Images & Alt Text
20/20
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
11/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
10/15
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.
68/100
B
112 mg
CO₂e / view
1.1 MB
Page Weight
70%
Cleaner Than
New Visitor
128 mg
vs
Returning (cached)
64 mg
Annual (10K/mo)
13.4 kg
Emission Segments
Data Center
6 mg
Network
33 mg
Device
73 mg
Resource Breakdown
JavaScript
195.1 KB
Images
798.1 KB
CSS
98.2 KB
HTML
13.4 KB
Green Hosting Verified
Hetzner Online GmbH
GWF Verified
3 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

21%Critical
Interactive

HTTPS

No WAF

56d

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

21.04.2026

Valid Until

20.07.2026

Subject Alternative Names (8)

centreforsocialinnovation.eucsi.ac.atwww.centreforsocialinnovation.euwww.csi.ac.atwww.zsi.ac.atwww.zsi.atzsi.ac.atzsi.at

SHA-256 Fingerprint

A1:50:85:B1:70:F3:44:41:1E:CB:F9:DB:1B:B5:99:0E:37:AA:B4:0A...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

connection
Keep-Alive
content-encoding
📦 Gzip(gzip)
content-length
13422
content-type
text/html; charset=UTF-8
date
Sun, 24 May 2026 20:56:14 GMT
keep-alive
timeout=5, max=100
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

100

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (1)

zsi-at.mail.protection.outlook.com

Domain Information

zsi.at

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.
A
81/100
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...
Upgrade to view recommendations

Typography & Readability

Hanken Grotesk

WCAG Partial
68/100
Readability
/30
25/30

16px · LH 1.50

Hierarchy
/20
8/20
WCAG
/25
15/25

1.24:1 min contrast

Performance
/25
20/25

1 font · 2 req

Heading Font

Hanken Grotesk

Sans

Body Font

Hanken Grotesk

Sans16px

Contrast Ratio

1.24:1

3 issues

Reading Comfort

~38 CPL

Narrow lines
34px
h2
26px
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 0/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 3 elements below WCAG AA threshold (min 1.2:1).

❌ 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).

Buy on MyFontsFluid Type (rem)Flesch 0

Color Palette

7 unique colors
Light
#ffffff
Background· 57.29999999999999%
#3a5f94
Primary· 17.9%
#e5e8ee
Secondary· 7.1%
#b8c2ce
Secondary· 6.9%
#798ead
Secondary· 3.9%
#324e77
Primary· 2.1%

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

23 Resources

20
Scripts
3
Styles
2
Async
0
Defer

Top Script Sources

zsi.at(18)consent.cookiebot.com(2)

Website Identity

ZSI - Zentrum für Soziale Innovation

ZSI - Zentrum für Soziale Innovation

Organization
institute@zsi.at
0043149504420
www.zsi.at

Linke Wienzeile 246

1150, Wien

Location detected: 🇦🇹 Austriavia tld
📧 Microsoft 365en-US

Social Profiles

FacebookLinkedIn

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Last analyzed: 24 May 2026 at 20:56

Historical Analysis & Change Tracking