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SGSiteGraph

rivm.nl

Rijksinstituut voor Volksgezondheid en Milieu | RIVM

Last scanned Jul 25, 2026, 4:25 PM · 1 view

93

Overall score

Excellent

Summary

This website uses Apache hosted on SURFNET-NL - SURF B.V., NL. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Missing meta description.

Netherlands
Hosted on SURFNET-NL - SURF B.V., NL

Top issues to fix

2 issues found · 1 high priority

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • Missing OpenGraph tags

    SEO

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

85

SEO

2 issue(s) found

90

Performance

402 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.

FacebookX (Twitter)X (Twitter)FacebookYouTubeInstagram

Contact

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

Meta tags

Title
Rijksinstituut voor Volksgezondheid en Milieu | RIVM
Description
Canonical
https://www.rivm.nl/
Language
nl
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

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

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

DrupaljQueryApache

Hosting & CDN

CDN provider
—
IP address
131.224.245.84
ASN
AS1103 (SURFNET-NL - SURF B.V., NL)

DNS records

TypeValue
A
  • 131.224.245.84
  • 131.224.245.85
AAAA
  • 2001:610:430:ffff::17:153
  • 2001:610:430:ffff::17:152
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.2
Issuer
Hellenic Academic and Research Institutions CA
Subject
rivm.nl
Valid from
Nov 3, 2025
Valid to
Nov 3, 2026
Days until expiry
100
SAN domains
rivm.nl, www.rivm.nl

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 9 · H3 3

Links

52 internal · 11 external · 0 broken

Images

7 total · 0 missing alt

Scripts / Styles

4 scripts · 3 stylesheets

JS / CSS size

456 KB · 619 KB

Page size

35.5 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
90
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Missing meta description
  • Missing OpenGraph tags

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://rivm.nl
Final URL
https://www.rivm.nl/
HTTP status
200
HTTP version
HTTP/1.1
Response time
402 ms
HTML size
35.5 KB
Redirect chain
https://rivm.nl → https://www.rivm.nl/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does rivm.nl use?
rivm.nl is built with Drupal, jQuery, Apache.
Is rivm.nl secure (HTTPS)?
Yes. rivm.nl uses TLS 1.2 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Nov 3, 2026.
Who hosts rivm.nl?
rivm.nl is hosted on SURFNET-NL - SURF B.V., NL.
What is rivm.nl's SEO score?
rivm.nl scored 85/100 for SEO in the latest analysis (great).
What is rivm.nl's overall website score?
rivm.nl has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.