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igsu.ch

https://igsu.ch· First analyzed 02 Jun 2026· Updated 02 Jun 2026
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igsu.ch
Desktop screenshot of igsu.ch
Mobile screenshot of igsu.ch
Mobile

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Hosting Provider

GD MASS Network

IP Address

92.205.25.28

Site Location

🇨🇭 Switzerlandvia tld

Server Location

🇫🇷 Strasbourg, France

ASN

AS21499

Organization

GD MASS Network

Server

Nginx

Nameservers

ns-cloud-b2.googledomains.com.ns-cloud-b3.googledomains.com.ns-cloud-b4.googledomains.com.ns-cloud-b1.googledomains.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint
588 ms10%
Speed Index
764 ms10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
3 MB
35 requests

Image Optimization

Responsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Styling
Tailwind CSS
Infrastructure
Hosting
GD MASS Network

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

5 Technologies Detected

Analytics

2
Google Analytics
Segment

Other

1
AOS (Animate On Scroll)

CSS Frameworks

1
Tailwind CSS

Web Servers

1
Nginx

SEO Analysis

B78/100
24
3
1
Meta Tags15/15
Content10/12
Headings8/8
Technical20/25
E-E-A-T0/7
Images1/7
Links5/5
URL5/5
Social5/5
Freshness2/4
Mobile4/4
Indexability3/3
I
igsu.chigsu.ch

Home / IGSU - Schweizer Kompetenzzentrum gegen Littering

Die IG saubere Umwelt - das Schweizerische Kompetenzzentrum gegen Littering - setzt sich mit Prävention + Sensibilisierung für eine saubere Schweiz ein.

Title Length56 chars

Recommended: 50-60 chars (~352px / 580px)

Description Length152 chars

Recommended: 120-160 chars

Issues (1)

  • • Most images missing alt text (6/9) — critical for accessibility and SEO

4 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

139 URLs

robots.txt

6 rules

Sitemap reference found

Local SEO

Local Search Readiness

17/100
Poor
5 10 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

D49/100
Bot Access
20/25
Machine Read.
11/25
Schema Data
0/25
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:9%
Words:473
Token eff.:Optimal
Sections/1K:40.2
Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary71w
Descriptive Headingsavg 6.3w
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
83/100
13
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
15/20
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
9/15
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.
32/100
F
374 mg
CO₂e / view
3.0 MB
Page Weight
30%
Cleaner Than
New Visitor
427 mg
vs
Returning (cached)
214 mg
Annual (10K/mo)
44.8 kg
Emission Segments
Data Center
83 mg
Network
90 mg
Device
201 mg
Resource Breakdown
JavaScript
194.3 KB
Images
906.9 KB
CSS
1.9 MB
HTML
7.9 KB
Green Hosting Not Verified
GD MASS Network
4 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
C

Security Score

61%Fair
Interactive

HTTPS

No WAF

48d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

22.04.2026

Valid Until

21.07.2026

Subject Alternative Names (8)

anti-littering.chigsu.chstopp-littering.chstopplittering.chwww.anti-littering.chwww.igsu.chwww.stopp-littering.chwww.stopplittering.ch

SHA-256 Fingerprint

93:03:1E:7B:88:14:F6:BC:2D:C4:C6:46:82:7D:C0:45:BE:1E:DE:A2...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🔴 No Cache(must-revalidate, proxy-revalidate, private, no-cache, max-ag...)
content-encoding
📦 Gzip(gzip)
content-length
7821
content-type
text/html; charset=utf-8
date
Tue, 02 Jun 2026 19:35:09 GMT
etag
"279622722e2b45ecd654282c6653a1c8-gzip"
Good Warning Issue

Email Infrastructure

Microsoft 365

Score

95

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

igsu-ch.mail.protection.outlook.com

Domain Information

igsu.ch

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

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
71/100
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
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Roboto

WCAG Partial
77/100
Readability
/30
19/30

20px · LH 1.80

Hierarchy
/20
20/20

2.8x ratio · ✓ H1→H6

WCAG
/25
16/25

1:1 min contrast

Performance
/25
22/25

System fonts

Heading Font

Roboto

Sans56px

Body Font

Roboto

Sans20px

Contrast Ratio

1:1

26 issues

Reading Comfort

~39 CPL

Narrow lines
56px
h1
36px
h2
20px
h3
20px
h4
20px
p

✅ Excellent readability: 20px body text is ideal for all devices.

❌ Very complex text: Flesch score 22/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 26 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 2.8x larger than body text.

✅ System fonts: Zero font loading delay — best possible LCP impact.

Flesch 22

Color Palette

14 unique colors
Light
#adb0b0
Other· 15.6%
#283110
Accent· 11.899999999999999%
#ffffff
Primary· 0%
#4b5a26
Secondary· 9%
#304914
Accent· 7.6%
#dfe7e8
Secondary· 7.1%
#3e3620
Secondary· 6.3%
#13150f
Secondary· 6.2%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

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

local(3)google-analytics.com(1)

Website Identity

igsu.ch

[email protected]
41435001999
Location detected: 🇨🇭 Switzerlandvia tld
📧 Microsoft 365de

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Last analyzed: 02 Jun 2026 at 19:35

Historical Analysis & Change Tracking