zim.de

https://zim.de· First analyzed 16 May 2026· Updated 16 May 2026

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zim.de

Mobile

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Hosting Provider

Radware Inc

IP Address

176.100.168.191

Site Location

🇩🇪 Germanyvia tld

Server Location

🇳🇱 Amsterdam, Netherlands

ASN

AS48851

Organization

Radware Inc

Server

Apache

Nameservers

ns12.managed-ip.info.ns10.managed-ip.com.ns9.managed-ip.com.ns11.managed-ip.info.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

530 ms10%

Speed Index

689 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

6 KB

9 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Radware Inc

Technology Stack

2 Technologies Detected

CSS Frameworks

Tailwind CSS

Web Servers

Apache

SEO Analysis

F39/100

Meta Tags4/15

Content3/12

Headings6/8

Technical10/21

E-E-A-T0/7

Images4/7

Links0/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

zim.dezim.de

Radware Captcha Page

No description available for this page.

Title Length20 chars

Recommended: 50-60 chars (~126px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (1)

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

11 issues found

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Crawlability

Sitemap

Type: standard

robots.txt

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

F33/100

Bot Access

20/25

Machine Read.

9/25

Schema Data

0/25

Citation

4/25

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.txtinvalid

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:4%

Words:100

Token eff.:Too Short

Structured Data

No Schema

Citation Readiness

Opening Summary16w

Descriptive Headings

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.

74/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

14/20

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

1/15

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

1 recommendation

•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.

58/100

A+

<0.001 g

CO₂e / view

5.7 KB

Page Weight

95%

Cleaner Than

New Visitor

<0.001 g

Returning (cached)

<0.001 g

Annual (10K/mo)

84 g

Emission Segments

Data Center

<0.001 g

Network

<0.001 g

Device

<0.001 g

Resource Breakdown

HTML

5.7 KB

Green Hosting Not Verified

Radware Inc

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

133d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

GoDaddy.com, Inc.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

17.09.2025

Valid Until

26.09.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.perfdrive.comperfdrive.com

SHA-256 Fingerprint

75:27:B9:2E:DA:8D:8E:35:1E:86:43:54:6B:9C:14:CA:71:A9:9A:EB...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=2592000

cache-control

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

content-encoding

📦 Gzip(gzip)

content-length

5569

content-type

text/html; charset=UTF-8

date

Sat, 16 May 2026 06:58:46 GMT

Good Warning Issue

Email Infrastructure

Microsoft 365

Score

SPF

DKIM

DMARC

MX Records (1)

zim-de.mail.protection.outlook.com

Domain Information

zim.de

Last Updated

21.07.2025

DNSSEC

Not Enabled

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.

58/100

Mobile Friendly

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

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Lato

WCAG Partial

74/100

Readability

/30

22/30

14px · LH 1.43

Hierarchy

/20

19/20

2.57x ratio · ✓ H1→H6

WCAG

/25

19/25

3.62:1 min contrast

Performance

/25

14/25

1 font

Heading Font

Lato

Sans36px

Body Font

Lato

Sans14px

Contrast Ratio

3.62:1

1 issue

Reading Comfort

~41 CPL

Narrow lines

36px

14px

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

✅ Optimal line spacing: 1.43 ratio (ideal range 1.4–1.6).

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 3.6:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

✅ Strong hierarchy: Headlines are 2.6x larger than body text.

✅ Lean font stack: 1 font families keeps load times fast.

Buy on MyFontsFlesch 63

Color Palette

7 unique colors

4.22:1 AA Large Light

#ffffff

Background· 92.89999999999999%

#807a79

Other· 1.2%

#95b39c

Primary· 0.8%

#bedadf

Secondary· 0.7%

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Scripts & Styles

3 Resources

Scripts

Styles

Async

Defer

Top Script Sources

cdn.perfdrive.com(1)hcaptcha.com(1)

Website Identity

zim.de

Location detected: 🇩🇪 Germanyvia tld

📧 Microsoft 365en

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Last analyzed: 16 May 2026 at 06:59

Historical Analysis & Change Tracking