sidnlabs.nl
Home SIDN Labs | SIDN Labs
Last scanned Aug 5, 2026, 3:00 AM · 18 views
Overall score
Excellent
Summary
SIDN Labs is het onderzoeksteam van SIDN. SEO is excellent (90/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: robots.txt not found.
SIDN
SIDN Labs is het onderzoeksteam van SIDN. Wij doen toegepast onderzoek voor een veiligere en weerbaardere internetinfrastructuur.
Top issues to fix
3 issues found
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
20 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
2.80 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Score history
0 overall since Jul 27, 2026
- Overall
- 95
- SEO
- 90
- Security
- 100
- 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.
- support@sidn.nl
- Phone
- +31263525500
Meta tags
- Title
- Home SIDN Labs | SIDN Labs
- Description
- SIDN Labs is het onderzoeksteam van SIDN. Wij doen toegepast onderzoek voor een veiligere en weerbaardere internetinfrastructuur.
- Canonical
- https://www.sidnlabs.nl/
- Language
- nl
- Charset
- utf-8
- Viewport
- width=device-width,initial-scale=1
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
No technologies detected.
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
- Hellenic Academic and Research Institutions CA
- Subject
- sidnlabs.nl
- Valid from
- Nov 6, 2025
- Valid to
- Nov 6, 2026
- Days until expiry
- 93
- SAN domains
- sidnlabs.nl, www.sidnlabs.nl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyEnabled
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 14 · H3 0
Links
17 internal · 50 external · 20 broken
Images
17 total · 0 missing alt
Scripts / Styles
11 scripts · 1 stylesheets
JS / CSS size
2.6 KB · 0 B
Page size
148 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://sidnlabs.nl
- Final URL
- https://www.sidnlabs.nl/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 2.79 s
- HTML size
- 148 KB
- Redirect chain
- https://sidnlabs.nl → https://www.sidnlabs.nl/
See something wrong on this report? Request a correction
Frequently asked questions
- What technology does sidnlabs.nl use?
- We did not detect any specific technologies for sidnlabs.nl in the latest scan.
- Is sidnlabs.nl secure (HTTPS)?
- Yes. sidnlabs.nl uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Nov 6, 2026.
- Who hosts sidnlabs.nl?
- Hosting provider information for sidnlabs.nl is not available yet.
- What is sidnlabs.nl's SEO score?
- sidnlabs.nl scored 90/100 for SEO in the latest analysis (excellent).
- What is sidnlabs.nl's overall website score?
- sidnlabs.nl has an overall SiteGraph score of 95/100, combining SEO, performance, security, and accessibility.
- What company operates sidnlabs.nl?
- sidnlabs.nl is operated by SIDN. SIDN Labs is het onderzoeksteam van SIDN. Wij doen toegepast onderzoek voor een veiligere en weerbaardere internetinfrastructuur.
- Has sidnlabs.nl's score changed over time?
- sidnlabs.nl's overall score has stayed steady at 95/100 since Jul 27, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card