rkd.nl
Home | RKD – Nederlands Instituut voor Kunstgeschiedenis
Last scanned Aug 24, 2026, 1:21 PM · 1 view
Overall score
Excellent
Summary
This website uses Google Analytics hosted on TrueServer-AS - TrueFullstaq B.V., NL. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.
- Netherlands
- Hosted on TrueServer-AS - TrueFullstaq B.V., NL
Top issues to fix
4 issues found · 2 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
1 broken link on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
2 issue(s) found
Performance
285 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- Home | RKD – Nederlands Instituut voor Kunstgeschiedenis
- Description
- Canonical
- https://www.rkd.nl/
- Language
- nl
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- TrueServer-AS - TrueFullstaq B.V., NL
- CDN provider
- —
- IP address
- 87.233.198.7
- ASN
- AS15703 (TrueServer-AS - TrueFullstaq B.V., NL)
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
- www.rkd.nl
- Valid from
- Aug 24, 2026
- Valid to
- Nov 22, 2026
- Days until expiry
- 89
- SAN domains
- www.rkd.nl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 5 · H3 8
Links
21 internal · 5 external · 1 broken
Images
10 total · 0 missing alt
Scripts / Styles
25 scripts · 2 stylesheets
JS / CSS size
317 KB · 255 KB
Page size
31.1 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 13
- sitemap.xml
- Found
- URLs in sitemap
- 725
SEO issues
- Missing meta description
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://rkd.nl
- Final URL
- https://www.rkd.nl/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 285 ms
- HTML size
- 31.1 KB
- Redirect chain
- https://rkd.nl → https://www.rkd.nl/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does rkd.nl use?
- rkd.nl is built with jQuery, Google Analytics.
- Is rkd.nl secure (HTTPS)?
- Yes. rkd.nl uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Nov 22, 2026.
- Who hosts rkd.nl?
- rkd.nl is hosted on TrueServer-AS - TrueFullstaq B.V., NL.
- What is rkd.nl's SEO score?
- rkd.nl scored 80/100 for SEO in the latest analysis (great).
- What is rkd.nl's overall website score?
- rkd.nl has an overall SiteGraph score of 92/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card