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SGSiteGraph

knmi.nl

KNMI - Koninklijk Nederlands Meteorologisch Instituut

Last scanned Jul 26, 2026, 5:17 AM · 1 view

89

Overall score

Great

Summary

Het KNMI is het nationale data- en kenniscentrum voor weer, klimaat en seismologie. This website is hosted on AWS. SEO is good (80/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Missing canonical link.

Het KNMI is het nationale data- en kenniscentrum voor weer, klimaat en seismologie.

United States
Hosted on AWS

Top issues to fix

4 issues found · 1 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • sitemap.xml not found

    SEO

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

80

SEO

3 issue(s) found

90

Performance

366 ms

90

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.

Het KNMI is het nationale data- en kenniscentrum voor weer, klimaat en seismologie.

InstagramYouTube

Contact

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

Source: https://www.knmi.nl/over-het-knmi/contact/contactformulier

Meta tags

Title
KNMI - Koninklijk Nederlands Meteorologisch Instituut
Description
Het KNMI is het nationale data- en kenniscentrum voor weer, klimaat en seismologie.
Canonical
Language
nl
Charset
utf-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Koninklijk Nederlands Meteorologisch Instituut
og:description
Het KNMI is het nationale data- en kenniscentrum voor weer, klimaat en seismologie.
og:type
website
og:url
https://www.knmi.nl/home

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider
AWS
CDN provider
CloudFront
IP address
3.164.182.33
ASN
AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

TypeValue
A
  • 3.164.182.33
  • 3.164.182.113
  • 3.164.182.128
  • 3.164.182.119
AAAA
  • 2600:9000:2792:b600:1b:fcfb:a580:93a1
  • 2600:9000:2792:1600:1b:fcfb:a580:93a1
  • 2600:9000:2792:4000:1b:fcfb:a580:93a1
  • 2600:9000:2792:9c00:1b:fcfb:a580:93a1
  • 2600:9000:2792:f400:1b:fcfb:a580:93a1
  • 2600:9000:2792:7400:1b:fcfb:a580:93a1
  • 2600:9000:2792:f800:1b:fcfb:a580:93a1
  • 2600:9000:2792:2800:1b:fcfb:a580:93a1
MX—
TXT
  • loaderio=6e4c07bf95235e589c317100dd148d7f
NS—
CAA—
CNAME
  • www.web.knmi.cloud
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Amazon
Subject
www.knmi.nl
Valid from
Jan 15, 2026
Valid to
Feb 13, 2027
Days until expiry
202
SAN domains
www.knmi.nl, cms.knmi.nl, cdn.knmi.nl, wow.knmi.nl, knmi.nl

Security headers

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

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 1

Links

42 internal · 5 external · 0 broken

Images

87 total · 0 missing alt

Scripts / Styles

5 scripts · 1 stylesheets

JS / CSS size

365 KB · 216 KB

Page size

54.8 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

View careers page

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://knmi.nl
Final URL
https://www.knmi.nl/home
HTTP status
200
HTTP version
HTTP/2
Response time
365 ms
HTML size
54.8 KB
Redirect chain
https://knmi.nl → https://www.knmi.nl:443/ → https://www.knmi.nl/home

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Frequently asked questions

What technology does knmi.nl use?
We did not detect any specific technologies for knmi.nl in the latest scan.
Is knmi.nl secure (HTTPS)?
Yes. knmi.nl uses TLS 1.3 with a certificate issued by Amazon, valid until Feb 13, 2027.
Who hosts knmi.nl?
knmi.nl is hosted on AWS, behind CloudFront CDN.
What is knmi.nl's SEO score?
knmi.nl scored 80/100 for SEO in the latest analysis (great).
What is knmi.nl's overall website score?
knmi.nl has an overall SiteGraph score of 89/100, combining SEO, performance, security, and accessibility.
Is knmi.nl hiring?
knmi.nl has a careers page; check it directly for current openings.