What technology does check24.de use?

check24.de is built with Nginx.

Is check24.de secure (HTTPS)?

Yes. check24.de uses TLS 1.3 with a certificate issued by ZeroSSL GmbH, valid until Oct 12, 2026.

Who hosts check24.de?

check24.de is hosted on SPACENET - SpaceNet AG, DE.

What is check24.de's SEO score?

check24.de scored 75/100 for SEO in the latest analysis (fair).

What is check24.de's overall website score?

check24.de has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.

Is check24.de hiring?

check24.de has a careers page; check it directly for current openings.

check24.de

CHECK24 | Das Vergleichsportal

Last scanned Jul 18, 2026, 8:49 PM

Overall score

Great

Top issues to fix

6 issues found · 1 high priority

No H1 heading found
SEO
Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
3 cookies without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

Summary

CHECK24 - Das Vergleichsportal: Sparen Sie mit den Vergleichsrechnern für Versicherungen, Kredite, Energie, Internet, Reisen, Flüge und mehr. This website uses Nginx hosted on SPACENET - SpaceNet AG, DE. SEO is good (75/100) and accessibility is excellent (90/100). Security scores good (85/100) and performance good (80/100). Top issue: No H1 heading found.

SEO

3 issue(s) found

Performance

472 ms

Security

HTTPS & header checks

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

Facebook YouTube Instagram

Meta tags

Title: CHECK24 | Das Vergleichsportal
Description: CHECK24 - Das Vergleichsportal: Sparen Sie mit den Vergleichsrechnern für Versicherungen, Kredite, Energie, Internet, Reisen, Flüge und mehr.
Canonical: https://www.check24.de
Language: de
Charset: UTF-8
Viewport: width=device-width,initial-scale=1,maximum-scale=1,user-scalable=no
Robots meta: index, follow
Manifest

Technologies

Detected frameworks, languages, and tools.

Nginx

Hosting & CDN

Hosting provider: SPACENET - SpaceNet AG, DE
CDN provider: —
IP address: 195.30.64.2
ASN: AS5539 (SPACENET - SpaceNet AG, DE)

DNS records

Type	Value
A	195.30.64.2 195.30.64.1 89.191.81.12 195.30.64.3 89.191.81.11 89.191.81.13
AAAA	—
MX	—
TXT	—
NS	ns14.digicertdns.net ns10.digicertdns.com ns11.digicertdns.com ns15.digicertdns.net ns13.digicertdns.net ns12.digicertdns.com
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: ZeroSSL GmbH
Subject: www.check24.de
Valid from: Jul 14, 2026
Valid to: Oct 12, 2026
Days until expiry: 86
SAN domains: www.check24.de

Security headers

Strict-Transport-SecurityEnabled
Content-Security-PolicyEnabled
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyEnabled
Permissions-PolicyMissing

Compression: gzip · 3 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

56 internal · 85 external · 0 broken

Images

2 total · 0 missing alt

Scripts / Styles

10 scripts · 3 stylesheets

JS / CSS size

598 KB · 395 KB

Page size

923 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 24
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

No H1 heading found
No structured data (JSON-LD) found
sitemap.xml not found

Careers

View careers page

This company has an active careers page, but individual openings weren't reliably parsed from it — visit the page above for current listings.

Scan details

Requested URL: https://check24.de
Final URL: https://www.check24.de/
HTTP status: 200
HTTP version: HTTP/2
Response time: 454 ms
HTML size: 923 KB
Redirect chain: https://check24.de → https://www.check24.de/

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Frequently asked questions

What technology does check24.de use?: check24.de is built with Nginx.
Is check24.de secure (HTTPS)?: Yes. check24.de uses TLS 1.3 with a certificate issued by ZeroSSL GmbH, valid until Oct 12, 2026.
Who hosts check24.de?: check24.de is hosted on SPACENET - SpaceNet AG, DE.
What is check24.de's SEO score?: check24.de scored 75/100 for SEO in the latest analysis (fair).
What is check24.de's overall website score?: check24.de has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
Is check24.de hiring?: check24.de has a careers page; check it directly for current openings.