What technology does xs4all.nl use?

We did not detect any specific technologies for xs4all.nl in the latest scan.

Is xs4all.nl secure (HTTPS)?

Yes. xs4all.nl uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 20, 2026.

Hosting provider information for xs4all.nl is not available yet.

What is xs4all.nl's SEO score?

xs4all.nl scored 75/100 for SEO in the latest analysis (fair).

What is xs4all.nl's overall website score?

xs4all.nl has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.

xs4all.nl

XS4ALL - First Class Internet

Last scanned Jul 21, 2026, 12:33 PM · 1 view

Overall score

Great

Top issues to fix

5 issues found · 1 high priority

Slow estimated load (6.1s)
Performance
Use a CDN, enable caching/compression, and cut render-blocking assets — every extra second costs conversions.
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.
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.

Summary

XS4ALL First Class Internets, Televisie en Bellen. SEO is good (75/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance good (80/100). Top issue: Missing canonical link.

SEO

4 issue(s) found

Performance

6.10 s

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.

Facebook X (Twitter)YouTube

Meta tags

Title: XS4ALL - First Class Internet
Description: XS4ALL First Class Internets, Televisie en Bellen. Voor veilig en betrouwbaar internet. Al jaren bekroond voor de allerbeste service.
Canonical
Language: nl
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

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

DNS records

Type	Value
A	—
AAAA	2600:9000:2792:c000:a:5e19:cc40:93a1 2600:9000:2792:ba00:a:5e19:cc40:93a1 2600:9000:2792:6000:a:5e19:cc40:93a1 2600:9000:2792:d200:a:5e19:cc40:93a1 2600:9000:2792:2a00:a:5e19:cc40:93a1 2600:9000:2792:b600:a:5e19:cc40:93a1 2600:9000:2792:d800:a:5e19:cc40:93a1 2600:9000:2792:8400:a:5e19:cc40:93a1
MX	—
TXT	—
NS	—
CAA	—
CNAME	xs4all.teamopen.prod.aws.kpn.com
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Amazon
Subject: xs4all.nl
Valid from: May 7, 2026
Valid to: Nov 20, 2026
Days until expiry: 122
SAN domains: xs4all.nl, www.xs4all.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 3 · H3 2

Links

1 internal · 21 external · 0 broken

Images

5 total · 0 missing alt

Scripts / Styles

2 scripts · 4 stylesheets

JS / CSS size

3.6 KB · 31.9 KB

Page size

21.9 KB

Robots.txt & Sitemap

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

SEO issues

Missing canonical link
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://xs4all.nl
Final URL: https://www.xs4all.nl:443/
HTTP status: 200
HTTP version: HTTP/2
Response time: 6.10 s
HTML size: 21.9 KB
Redirect chain: https://xs4all.nl → https://www.xs4all.nl:443/

Frequently asked questions

What technology does xs4all.nl use?: We did not detect any specific technologies for xs4all.nl in the latest scan.
Is xs4all.nl secure (HTTPS)?: Yes. xs4all.nl uses TLS 1.3 with a certificate issued by Amazon, valid until Nov 20, 2026.
Who hosts xs4all.nl?: Hosting provider information for xs4all.nl is not available yet.
What is xs4all.nl's SEO score?: xs4all.nl scored 75/100 for SEO in the latest analysis (fair).
What is xs4all.nl's overall website score?: xs4all.nl has an overall SiteGraph score of 88/100, combining SEO, performance, security, and accessibility.