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SGSiteGraph

rivm.nl

Rijksinstituut voor Volksgezondheid en Milieu | RIVM

Last scanned Aug 1, 2026, 5:00 PM · 13 views

93

Overall score

Excellent

Summary

This website uses Apache. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

5 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.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

  • 20 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

75

SEO

4 issue(s) found

100

Performance

384 ms

100

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

0 overall since Jul 25, 2026

Overall
93
SEO
75
Security
100
Performance
100
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.

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.

Hosting & CDN

Hosting provider
CDN provider
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

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
93
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

51 internal · 11 external · 20 broken

Images

7 total · 0 missing alt

Scripts / Styles

4 scripts · 3 stylesheets

JS / CSS size

3.6 KB · 0 B

Page size

35.2 KB

Robots.txt & Sitemap

robots.txt
Not found
Disallow rules
0
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

  • Missing meta description
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

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
384 ms
HTML size
35.2 KB
Redirect chain
https://rivm.nl → https://www.rivm.nl/

See something wrong on this report? Request a correction

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?
Hosting provider information for rivm.nl is not available yet.
What is rivm.nl's SEO score?
rivm.nl scored 75/100 for SEO in the latest analysis (fair).
What is rivm.nl's overall website score?
rivm.nl has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
Has rivm.nl's score changed over time?
rivm.nl's overall score has stayed steady at 93/100 since Jul 25, 2026.