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check24.de

https://check24.de· First analyzed 19 Feb 2026· Updated 19 Feb 2026
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check24.de

Sponsored

Hosting Provider

IP Address

195.30.64.1

Server Location

🇩🇪 Ismaning, Germany

ASN

AS5539

Organization

CHECK24 GmbH

Server

Nginx

Nameservers

ns15.digicertdns.net.ns12.digicertdns.com.ns11.digicertdns.com.ns13.digicertdns.net.+2 more

Performance

Page Speed

4 MB
106 requests

Image Optimization

Lazy LoadWebP
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Frontend
Framework
React
Infrastructure
Hosting
CHECK24 GmbH

Technology Stack

10 Technologies Detected

UI Components

2

Frameworks

1

Libraries

1

CSS Frameworks

1

Icon Libraries

1

Tag Managers

1

Web Servers

1

Customer Support

1

SEO Analysis

D55/100
10
1
3
C
check24.decheck24.de

CHECK24 | Das Vergleichsportal

No description available for this page.

Title Length30 chars

Recommended: 50-60 chars

Description Length0 chars

Recommended: 120-160 chars

Issues (3)

  • Missing meta description - important for click-through rates
  • Missing H1 tag - every page should have one H1
  • Many images missing alt text (20/20)

Crawlability

Sitemap

Type: index

13 URLs

robots.txt

30 rules

Sitemap reference found

Sponsored

Sponsored

D

Security Score

56%Poor
Interactive

HTTPS

No WAF

73d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

ZeroSSL

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

02.02.2026

Valid Until

03.05.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

www.check24.de

SHA-256 Fingerprint

5C:86:1B:53:06:D4:CD:BF:35:8E:CC:D1:17:0B:08:85:C4:CF:28:DE...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

cache-control
🔴 No Cache(no-store, no-cache, must-revalidate)
content-encoding
📦 Gzip(gzip)
content-security-policy
frame-ancestors check24.de *.check24.de
content-type
text/html; charset=UTF-8
date
Thu, 19 Feb 2026 22:14:15 GMT
expires
Mon, 26 Jul 1997 05:00:00 GMT
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

95

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (3)

mail1.o.check24.de
mail2.o.check24.de
mail3.o.check24.de

Domain Information

check24.de

Last Updated

22.05.2025

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Cookie consent banner detected
Privacy policy page linked
Data Protection Officer mentioned

Typography & Readability

Verdana

41/100
Readability
/30
12/40

12px · LH 1.33

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

Contrast: undefined

Performance
/25
13/20

1 font

Heading Font

Verdana

Sans

Body Font

Verdana

Sans12px

Contrast Ratio

--

Reading Comfort

Single Font Family

left aligned
18px
h2
18px
h3
15px
h4
12px
p
Major Second
Scale

❌ Critical: 12px body text is too small. Increase to at least 14px.

✅ Good performance: Using 1 font families keeps load times fast.

✅ Consistent design: Single font family with weight variations is a modern best practice.

⚠️ Cramped layout: 7 elements lack adequate spacing.

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

2

User behavior and product analytics

Advertising

1

Ad platforms and retargeting pixels

2

Categories

3

Total Tools

1

Enterprise

0

Mid-Market

Assessment: Well-developed marketing technology stack

Sponsored

Scripts & Styles

15 Resources

15
Scripts
0
Styles
2
Async
1
Defer

Top Script Sources

local(12)googletagmanager.com(1)chat.bot.check24.de(1)check24.de(1)

Website Identity

Sponsored

Last analyzed: 19 Feb 2026 at 22:14

Historical Analysis & Change Tracking