fablab-siegen.de

https://fablab-siegen.de· First analyzed 28 Apr 2026· Updated 28 Apr 2026

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fablab-siegen.de

Mobile

Sponsored

Hosting Provider

Universitaet Siegen

IP Address

141.99.14.20

Site Location

🇩🇪 Germanyvia tld

Server Location

🇩🇪 Siegen, Germany

ASN

AS680

Organization

Universitaet Siegen

Server

Apache

Nameservers

oxygen.ns.hetzner.com.helium.ns.hetzner.de.hydrogen.ns.hetzner.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.2 s10%

Speed Index

1.6 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

3.4 MB

75 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

CMS

WordPress

Infrastructure

Hosting

Universitaet Siegen

Technology Stack

21 Technologies Detected

Plugins

Embedpress Events Manager Foobox Image Lightbox Responsive Accordion And Collapse Easy Table Of Contents Email Encoder Bundle Ics Calendar Teachpress Spotlight Social Photo Feeds

Libraries

CSS Frameworks

Frameworks

Other

Other

AOS (Animate On Scroll)

Icon Libraries

Font Awesome

Web Servers

Apachev2.4.66

SEO Analysis

C61/100

Meta Tags9/15

Content8/12

Headings5/8

Technical19/25

E-E-A-T3/7

Images4/7

Links2/5

URL5/5

Social0/5

Freshness0/4

Mobile3/4

Indexability3/3

fablab-siegen.defablab-siegen.de

Fab Lab Siegen – Die offene Werkstatt in Siegen.

No description available for this page.

Title Length48 chars

Recommended: 50-60 chars (~289px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (1)

• Missing meta description — important for click-through rates in SERPs

12 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

9 URLs

9 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Local SEO

Local Search Readiness

7/100

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

F39/100

Bot Access

20/25

Machine Read.

11/25

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:2%

Words:466

Token eff.:Optimal

Sections/1K:4.3

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary163w

Descriptive Headingsavg 5.2w

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (10)

AI readiness recommendation preview...

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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.

74/100

Passed

Critical

Warnings

Images & Alt Text

18/20

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

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

11/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

5/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

3 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.

20/100

430 mg

CO₂e / view

3.4 MB

Page Weight

15%

Cleaner Than

New Visitor

492 mg

Returning (cached)

246 mg

Annual (10K/mo)

51.6 kg

Emission Segments

Data Center

96 mg

Network

103 mg

Device

231 mg

Resource Breakdown

JavaScript

500.9 KB

Images

969.5 KB

CSS

1.9 MB

HTML

22.1 KB

Other

51.2 KB

Green Hosting Not Verified

Universitaet Siegen

7 recommendations

•Carbon footprint recommendation preview...

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Security Score

56%Poor

Interactive

HTTPS

No WAF

62d

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

31.03.2026

Valid Until

29.06.2026

Subject Alternative Names (2)

fablab-siegen.dewww.fablab-siegen.de

SHA-256 Fingerprint

44:3E:68:40:CA:53:9E:EE:CC:9B:7D:80:DF:B1:57:49:56:B6:B8:C4...

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

22294

content-security-policy

default-src 'none'; base-uri 'self'; media-src 'self'; img-s...

content-type

text/html; charset=UTF-8

date

Tue, 28 Apr 2026 01:31:14 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

mx0.fablab-siegen.de

Domain Information

fablab-siegen.de

Last Updated

16.12.2025

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer 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.

82/100

Mobile Friendly33 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...

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Typography & Readability

Arial

WCAG Partial

69/100

Readability

/30

18/30

14px · LH 1.62

Hierarchy

/20

16/20

4.79x ratio

WCAG

/25

14/25

1:1 min contrast

Performance

/25

21/25

System fonts

Heading Font

Arial

Sans67px

Body Font

Arial

Sans14px

Contrast Ratio

1:1

27 issues

Reading Comfort

Single Font Family

left aligned

67px

37px

27px

14px

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

⚠️ Hard to read: Flesch score 42/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 27 elements below WCAG AA threshold (min 1.0:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 4.8x larger than body text.

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

Flesch 43

Color Palette

7 unique colors

12.07:1 AAA Dark

#363637

Other· 32.699999999999996%

#ffffff

Text· 8.4%

#141318

Secondary· 17.8%

#b5a875

Secondary· 2.6%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

fablab-siegen.de(20)

Website Identity

fablab-siegen.de

Location detected: 🇩🇪 Germanyvia tld

en-US

Social Profiles

Facebook Instagram Telegram

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Last analyzed: 28 Apr 2026 at 01:31

Historical Analysis & Change Tracking