islb.eu

https://islb.eu· First analyzed 21 May 2026· Updated 21 May 2026

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islb.eu

Mobile

Sponsored

Hosting Provider

Hetzner

hetzner.com

IP Address

195.201.69.223

Site Location

🇩🇪 Germanyvia ip

Server Location

🇩🇪 Falkenstein, Germany

ASN

AS24940

Organization

DomainProfi GmbH

Server

Nginx

Nameservers

ns2.nicsell.com.ns1.nicsell.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

552 ms10%

Speed Index

718 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

2.5 MB

74 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

Infrastructure

Hosting

Hetzner

Progressive Web App

Web ManifestApple Touch IconTheme Color

Technology Stack

7 Technologies Detected

Libraries

CSS Frameworks

UI Components

Icon Libraries

Web Servers

SEO Analysis

B75/100

Meta Tags14/15

Content12/12

Headings3/8

Technical20/25

E-E-A-T3/7

Images2/7

Links5/5

URL5/5

Social4/5

Freshness0/4

Mobile4/4

Indexability3/3

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Title Length65 chars

Recommended: 50-60 chars (~389px / 580px)

Description Length120 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag — every page should have exactly one H1

7 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

203 URLs

203 sub-sitemaps

robots.txt

3 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

14/100

Poor

4 13 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

D43/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

0/25

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:5%

Words:616

Token eff.:Optimal

Sections/1K:17.9

Structured Data

No Schema

Citation Readiness

Opening Summary50w

Descriptive Headingsavg 1.9w

Canonical URL

Open Graph3/3

Twitter Card1/3

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.

54/100

Passed

Critical

Warnings

Images & Alt Text

10/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

7/20

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

9/15

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

ARIA & Roles

3/15

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.

34/100

258 mg

CO₂e / view

2.5 MB

Page Weight

30%

Cleaner Than

New Visitor

295 mg

Returning (cached)

148 mg

Annual (10K/mo)

31.0 kg

Emission Segments

Data Center

13 mg

Network

76 mg

Device

170 mg

Resource Breakdown

JavaScript

748.2 KB

Images

1.1 MB

CSS

633.6 KB

HTML

87.8 KB

Green Hosting Verified

Hetzner Online GmbH

GWF Verified

7 recommendations

•Carbon footprint recommendation preview...

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Security Score

31%Critical

Interactive

HTTPS

No WAF

52d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (4096 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

14.04.2026

Valid Until

13.07.2026

Subject Alternative Names (1)

nicsell.com

SHA-256 Fingerprint

33:83:DF:8D:57:76:E9:86:87:63:DE:FD:C2:1F:5E:30:34:44:7E:F3...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate)

content-type

text/html; charset=UTF-8

date

Thu, 21 May 2026 18:23:13 GMT

expires

Thu, 19 Nov 1981 08:52:00 GMT

pragma

no-cache

server

nginx

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

islb.eu

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

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.

72/100

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=1.0

2 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Open Sans

WCAG Partial

55/100

Readability

/30

20/30

14px · LH 1.60

Hierarchy

/20

5/20

WCAG

/25

17/25

2.26:1 min contrast

Performance

/25

13/25

1 font · 2 req

Heading Font

Open Sans

Sans

Body Font

Open Sans

Sans14px

Contrast Ratio

2.26:1

19 issues

Reading Comfort

~44 CPL

Narrow lines

22px

18px

14px

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

✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 48/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 19 elements below WCAG AA threshold (min 2.3:1).

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

⚠️ Text justify detected: Justified text creates uneven word spacing, hurting readability on web.

Buy on MyFontsFlesch 48

Color Palette

6 unique colors

Light

#ffffff

Primary· 61.699999999999996%

#678c49

Primary· 10.7%

#cdd5c4

Secondary· 4.3%

#96a677

Secondary· 2.7%

#827338

Secondary· 2%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

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Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(11)

Website Identity

islb.eu

Location detected: 🇩🇪 Germanyvia ip

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Last analyzed: 21 May 2026 at 18:23

Historical Analysis & Change Tracking