nc.de
Internet, Glasfaser & DSL für dein Zuhause | NetCologne
Last scanned Aug 3, 2026, 7:00 PM · 7 views
Overall score
Great
Summary
Dein Internetanbieter aus Köln ✓ Glasfaser & DSL für jedes Veedel ✓ starke Tarife, regionaler Service & stabiles Netz ✓ Internet jetzt prüfen & Tarif finden!. This website uses Next.js. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
Dein Internetanbieter aus Köln ✓ Glasfaser & DSL für jedes Veedel ✓ starke Tarife, regionaler Service & stabiles Netz ✓ Internet jetzt prüfen & Tarif finden!
Top issues to fix
8 issues found · 2 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+2 more issues — details in the sections below.
SEO
4 issue(s) found
Performance
256 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 26, 2026
- Overall
- 81
- SEO
- 75
- Security
- 65
- Performance
- 90
- Accessibility
- 100
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
- info@netcologne.de
- Phone
- //02212222800
Meta tags
- Title
- Internet, Glasfaser & DSL für dein Zuhause | NetCologne
- Description
- Dein Internetanbieter aus Köln ✓ Glasfaser & DSL für jedes Veedel ✓ starke Tarife, regionaler Service & stabiles Netz ✓ Internet jetzt prüfen & Tarif finden!
- Canonical
- https://www.netcologne.de/privatkunden/
- Language
- de
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- INDEX,FOLLOW
- Manifest
- https://www.netcologne.de/icons/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- —
- IP address
- —
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A | — |
| AAAA | — |
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME | — |
| IPv6 support | No |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- netcologne.de
- Valid from
- Jul 12, 2026
- Valid to
- Oct 10, 2026
- Days until expiry
- 67
- SAN domains
- net.cologne, netcologne.de, netcologne.koeln, www.net.cologne, www.netcologne.de, www.netcologne.koeln
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 9 · H3 0
Links
64 internal · 18 external · 0 broken
Images
16 total · 2 missing alt
Scripts / Styles
42 scripts · 6 stylesheets
JS / CSS size
944 KB · 871 KB
Page size
233 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://nc.de
- Final URL
- https://www.netcologne.de/privatkunden/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 252 ms
- HTML size
- 233 KB
- Redirect chain
- https://nc.de → https://www.netcologne.de/privatkunden/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does nc.de use?
- nc.de is built with Next.js, Apache.
- Is nc.de secure (HTTPS)?
- Yes. nc.de uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 10, 2026.
- Who hosts nc.de?
- Hosting provider information for nc.de is not available yet.
- What is nc.de's SEO score?
- nc.de scored 75/100 for SEO in the latest analysis (fair).
- What is nc.de's overall website score?
- nc.de has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
- Has nc.de's score changed over time?
- nc.de's overall score has stayed steady at 81/100 since Jul 26, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card