nlnetlabs.nl
NLnet Labs - Home
Last scanned Aug 5, 2026, 9:00 AM · 14 views
Overall score
Great
Summary
Research & Development, Internet architecture, DNS, Routing, Stability and Security. This website uses Nginx hosted on HETZNER-AS - Hetzner Online GmbH, DE. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance good (85/100). Top issue: Missing canonical link.
Research & Development, Internet architecture, DNS, Routing, Stability and Security.
- Germany
- Hosted on HETZNER-AS - Hetzner Online GmbH, DE
Top issues to fix
4 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
SEO
3 issue(s) found
Performance
126 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
-4 overall since Jul 21, 2026
- Overall
- 88
- SEO
- 80
- Security
- 90
- Performance
- 85
- 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.
- labs@nlnetlabs.nl
Meta tags
- Title
- NLnet Labs - Home
- Description
- Research & Development, Internet architecture, DNS, Routing, Stability and Security.
- Canonical
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- HETZNER-AS - Hetzner Online GmbH, DE
- CDN provider
- —
- IP address
- 128.140.76.106
- ASN
- AS24940 (HETZNER-AS - Hetzner Online GmbH, DE)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX |
|
| TXT |
|
| NS |
|
| CAA | — |
| CNAME | — |
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Let's Encrypt
- Subject
- igor.nlnetlabs.nl
- Valid from
- Jul 19, 2026
- Valid to
- Oct 17, 2026
- Days until expiry
- 73
- SAN domains
- igor.nlnetlabs.nl, nlnetlabs.nl, www.nlnetlabs.nl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 0
Links
33 internal · 31 external · 0 broken
Images
56 total · 0 missing alt
Scripts / Styles
6 scripts · 3 stylesheets
JS / CSS size
1.3 MB · 280 KB
Page size
21.6 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Careers
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://nlnetlabs.nl
- Final URL
- https://nlnetlabs.nl
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 126 ms
- HTML size
- 21.6 KB
- Redirect chain
- https://nlnetlabs.nl
See something wrong on this report? Request a correction
Related websites
Same technology stack
linuxiac.com
Linuxiac - All things Linux & Open Source
vovici.com
Survey Management Software | Verint
contao.org
Contao Open Source CMS
enfocus.com
PDF Preflight & Print Automation Software | Enfocus
doshinsports.com
道新スポーツ | DOSHIN SPORTS
frosmo.com
AI-driven personalization strategies
Same hosting provider
lavozdelanzarote.com
La Voz de Lanzarote - Noticias de Lanzarote y Canarias
contao.org
Contao Open Source CMS
whonix.org
Whonix - Superior Internet Privacy
anisearch.de
aniSearch ‒ We’re all about anime and manga!
hovbi.com
Hovbi Trends — Discover What People Are Searching For
frosmo.com
AI-driven personalization strategies
Frequently asked questions
- What technology does nlnetlabs.nl use?
- nlnetlabs.nl is built with jQuery, Nginx.
- Is nlnetlabs.nl secure (HTTPS)?
- Yes. nlnetlabs.nl uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 17, 2026.
- Who hosts nlnetlabs.nl?
- nlnetlabs.nl is hosted on HETZNER-AS - Hetzner Online GmbH, DE.
- What is nlnetlabs.nl's SEO score?
- nlnetlabs.nl scored 80/100 for SEO in the latest analysis (great).
- What is nlnetlabs.nl's overall website score?
- nlnetlabs.nl has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.
- Has nlnetlabs.nl's score changed over time?
- nlnetlabs.nl's overall score has declined by 4 points (from 92 to 88) since Jul 21, 2026.
- Is nlnetlabs.nl hiring?
- nlnetlabs.nl has a careers page; check it directly for current openings.
OpenGraph & Twitter Card
OpenGraph
Twitter Card