What technology does groene.nl use?

groene.nl is built with Ruby on Rails.

Is groene.nl secure (HTTPS)?

Yes. groene.nl uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 6, 2026.

groene.nl is hosted on Procolix - ProcoliX B.V., NL.

What is groene.nl's SEO score?

groene.nl scored 75/100 for SEO in the latest analysis (fair).

What is groene.nl's overall website score?

groene.nl has an overall SiteGraph score of 90/100, combining SEO, performance, security, and accessibility.

groene.nl

De Groene Amsterdammer

Last scanned Jul 26, 2026, 11:49 AM

Overall score

Excellent

Summary

De Groene Amsterdammer is het oudste opinieweekblad van Nederland, sinds 1877 onafhankelijk baken van de vrijzinnige meningsvorming op het gebied van politiek, maatschappij, cultuur en literatuur. This website uses Ruby on Rails hosted on Procolix - ProcoliX B.V., NL. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.

De Groene Amsterdammer is het oudste opinieweekblad van Nederland, sinds 1877 onafhankelijk baken van de vrijzinnige meningsvorming op het gebied van politiek, maatschappij, cultuur en literatuur.

Netherlands

Hosted on Procolix - ProcoliX B.V., NL

Top issues to fix

6 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.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEO
Add <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
Missing OpenGraph tags
SEO
Add og:title/og:description/og:image so shared links render a proper preview card.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

SEO

5 issue(s) found

100

Performance

691 ms

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.

De Groene Amsterdammer is het oudste opinieweekblad van Nederland, sinds 1877 onafhankelijk baken van de vrijzinnige meningsvorming op het gebied van politiek, maatschappij, cultuur en literatuur.

Facebook X (Twitter)Instagram

Contact

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

Email: abonnementen@groene.nl advertenties@groene.nl fotored@groene.nl groene@groene.nl klavers@groene.nl webredactie@groene.nl

Source: https://www.groene.nl/over/pagina/contact

Meta tags

Title: De Groene Amsterdammer
Description: De Groene Amsterdammer is het oudste opinieweekblad van Nederland, sinds 1877 onafhankelijk baken van de vrijzinnige meningsvorming op het gebied van politiek, maatschappij, cultuur en literatuur.
Canonical
Language: nl
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta: max-image-preview:standard
Manifest: https://www.groene.nl/site.webmanifest

Technologies

Detected frameworks, languages, and tools.

Ruby on Rails

Hosting & CDN

Hosting provider: Procolix - ProcoliX B.V., NL
CDN provider: —
IP address: 185.206.232.191
ASN: AS51758 (Procolix - ProcoliX B.V., NL)

DNS records

Type	Value
A	185.206.232.191
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Let's Encrypt
Subject: www.groene.nl
Valid from: Jul 8, 2026
Valid to: Oct 6, 2026
Days until expiry: 70
SAN domains: www.groene.nl

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 8 · H2 15 · H3 0

Links

31 internal · 6 external · 0 broken

Images

12 total · 0 missing alt

Scripts / Styles

7 scripts · 4 stylesheets

JS / CSS size

377 KB · 146 KB

Page size

94.9 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 8
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Meta description longer than 160 characters
Missing canonical link
Multiple H1 headings found
Missing OpenGraph tags
sitemap.xml not found

Scan details

Requested URL: https://groene.nl
Final URL: https://www.groene.nl/
HTTP status: 200
HTTP version: HTTP/2
Response time: 690 ms
HTML size: 94.9 KB
Redirect chain: https://groene.nl → https://www.groene.nl/

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