What technology does vattenfall.nl use?

We did not detect any specific technologies for vattenfall.nl in the latest scan.

Is vattenfall.nl secure (HTTPS)?

Yes. vattenfall.nl uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 13, 2026.

Who hosts vattenfall.nl?

Hosting provider information for vattenfall.nl is not available yet.

What is vattenfall.nl's SEO score?

vattenfall.nl scored 85/100 for SEO in the latest analysis (great).

What is vattenfall.nl's overall website score?

vattenfall.nl has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.

vattenfall.nl

Energieleverancier Vattenfall – energie voor zo'n 2 miljoen klanten | Vattenfall

Last scanned Jul 26, 2026, 12:19 PM

Overall score

Excellent

Summary

Vattenfall Nederland, tot 2019 bekend als Nuon, is één van de grootste energieleveranciers van Nederland. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.

Vattenfall

Vattenfall Nederland, tot 2019 bekend als Nuon, is één van de grootste energieleveranciers van Nederland.

Postbus 40021, Arnhem, 6803 HA

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.
2 cookies without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
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.

SEO

3 issue(s) found

100

Performance

298 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.

Vattenfall

Vattenfall Nederland, tot 2019 bekend als Nuon, is één van de grootste energieleveranciers van Nederland.

nl.wikipedia.org X (Twitter)YouTube

Contact

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

Address: Postbus 40021, Arnhem, 6803 HA

Meta tags

Title: Energieleverancier Vattenfall – energie voor zo'n 2 miljoen klanten | Vattenfall
Description: Energieleverancier Vattenfall levert energie aan zo'n 2 miljoen klanten in Nederland. Op deze manier streven we ernaar onze klimaatambitie te behalen.
Canonical: https://www.vattenfall.nl/
Language: nl
Charset: utf-8
Viewport: width=device-width, initial-scale=1, shrink-to-fit=no
Robots meta: index, follow
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

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

TLS / SSL certificate

Version: TLS 1.3
Issuer: DigiCert Inc
Subject: www.vattenfall.nl
Valid from: May 13, 2026
Valid to: Nov 13, 2026
Days until expiry: 108
SAN domains: www.vattenfall.nl

Security headers

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

Compression: none · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 10 · H3 7

Links

37 internal · 2 external · 20 broken

Images

8 total · 0 missing alt

Scripts / Styles

16 scripts · 3 stylesheets

JS / CSS size

6.5 KB · 113 B

Page size

57.3 KB

Robots.txt & Sitemap

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

SEO issues

Title longer than 60 characters
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://vattenfall.nl
Final URL: https://www.vattenfall.nl/
HTTP status: 200
HTTP version: HTTP/2
Response time: 297 ms
HTML size: 57.3 KB
Redirect chain: https://vattenfall.nl → https://www.vattenfall.nl/

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Frequently asked questions

What technology does vattenfall.nl use?: We did not detect any specific technologies for vattenfall.nl in the latest scan.
Is vattenfall.nl secure (HTTPS)?: Yes. vattenfall.nl uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Nov 13, 2026.
Who hosts vattenfall.nl?: Hosting provider information for vattenfall.nl is not available yet.
What is vattenfall.nl's SEO score?: vattenfall.nl scored 85/100 for SEO in the latest analysis (great).
What is vattenfall.nl's overall website score?: vattenfall.nl has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.
What company operates vattenfall.nl?: vattenfall.nl is operated by Vattenfall. Vattenfall Nederland, tot 2019 bekend als Nuon, is één van de grootste energieleveranciers van Nederland.