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SGSiteGraph

core-networks.de

Internet Services für Profis

Last scanned Aug 24, 2026, 1:22 PM · 1 view

93

Overall score

Excellent

Summary

Hochwertige Internetdienstleistungen - Profi Webhosting, Domains, SSL/TLS-Zertifikate, Nameserver, ... This website uses Apache hosted on PROBENETWORKS-AS - Jonas Frey trading as Probe Networks, DE. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing canonical link.

Hochwertige Internetdienstleistungen - Profi Webhosting, Domains, SSL/TLS-Zertifikate, Nameserver, ...

Germany
Hosted on PROBENETWORKS-AS - Jonas Frey trading as Probe Networks, DE

Top issues to fix

4 issues found

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

75

SEO

4 issue(s) found

100

Performance

262 ms

100

Security

HTTPS & header checks

100

Accessibility

0 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.

Hochwertige Internetdienstleistungen - Profi Webhosting, Domains, SSL/TLS-Zertifikate, Nameserver, ...

Contact

Email, phone, and address published on this site's own pages.

Source: https://www.core-networks.de/contact.html

Meta tags

Title
Internet Services für Profis
Description
Hochwertige Internetdienstleistungen - Profi Webhosting, Domains, SSL/TLS-Zertifikate, Nameserver, ...
Canonical
Language
de
Charset
utf-8
Viewport
width=1020
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

CDN provider
—
IP address
194.213.5.204
ASN
AS29686 (PROBENETWORKS-AS - Jonas Frey trading as Probe Networks, DE)

DNS records

TypeValue
A
  • 194.213.5.204
AAAA
  • 2001:1bc0:d::2:4
MX
  • mx1.core-networks.de
  • mx2.core-networks.de
TXT
  • v=spf1 include:spf.core-networks.de -all
NS
  • ns2.core-networks.eu
  • ns1.core-networks.de
  • ns3.core-networks.com
CAA
  • 128 issue "letsencrypt.org"
  • 128 iodef "mailto:hostmaster@core-networks.de"
CNAME
  • core-networks.de
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Let's Encrypt
Subject
core-networks.de
Valid from
Aug 6, 2026
Valid to
Nov 4, 2026
Days until expiry
71
SAN domains
core-networks.de, www.core-networks.de

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyEnabled

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 2 · H3 0

Links

16 internal · 2 external · 0 broken

Images

1 total · 0 missing alt

Scripts / Styles

1 scripts · 2 stylesheets

JS / CSS size

1.6 KB · 45.8 KB

Page size

5.1 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
8
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing canonical link
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://core-networks.de
Final URL
https://www.core-networks.de/
HTTP status
200
HTTP version
HTTP/2
Response time
262 ms
HTML size
5.1 KB
Redirect chain
https://core-networks.de → https://www.core-networks.de/

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Frequently asked questions

What technology does core-networks.de use?
core-networks.de is built with Apache.
Is core-networks.de secure (HTTPS)?
Yes. core-networks.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 4, 2026.
Who hosts core-networks.de?
core-networks.de is hosted on PROBENETWORKS-AS - Jonas Frey trading as Probe Networks, DE.
What is core-networks.de's SEO score?
core-networks.de scored 75/100 for SEO in the latest analysis (fair).
What is core-networks.de's overall website score?
core-networks.de has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.