dfn.nl
DELTA Fiber | DELTA Fiber
Last scanned Jul 25, 2026, 8:25 PM · 1 view
Overall score
Fair
Summary
Wij zijn de glasvezelexpert van Nederland en vinden het vanzelfsprekend dat iedereen gebruik moet kunnen maken van gigasnel glasvezelinternet. This website uses Cloudflare Analytics hosted on Cloudflare behind Cloudflare CDN. SEO is good (75/100) and accessibility is excellent (100/100). Security scores fair (50/100) and performance excellent (90/100). Top issue: Missing canonical link.
Wij zijn de glasvezelexpert van Nederland en vinden het vanzelfsprekend dat iedereen gebruik moet kunnen maken van gigasnel glasvezelinternet.
- United States
- Hosted on Cloudflare
Top issues to fix
6 issues found · 1 high priority
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
Multiple H1 headings found
SEOKeep a single H1 per page and demote the others to H2/H3.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
sitemap.xml not found
SEOPublish an XML sitemap and reference it from robots.txt to speed up page discovery.
2 broken links on the page
SEOFix or remove broken links — they waste crawl budget and erode user trust.
SEO
4 issue(s) found
Performance
1.47 s
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Wij zijn de glasvezelexpert van Nederland en vinden het vanzelfsprekend dat iedereen gebruik moet kunnen maken van gigasnel glasvezelinternet.
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- DELTA Fiber | DELTA Fiber
- Description
- Wij zijn de glasvezelexpert van Nederland en vinden het vanzelfsprekend dat iedereen gebruik moet kunnen maken van gigasnel glasvezelinternet.
- Canonical
- Language
- nl-NL
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1
- Robots meta
- index, follow
- Manifest
- https://www.deltafiber.nl/site.webmanifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- Cloudflare
- CDN provider
- Cloudflare
- IP address
- 104.18.28.92
- ASN
- AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS | — |
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- Google Trust Services
- Subject
- www.deltafiber.nl
- Valid from
- Jun 12, 2026
- Valid to
- Sep 10, 2026
- Days until expiry
- 46
- SAN domains
- www.deltafiber.nl
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 3 cookie(s) observed
Content & assets
Headings
H1 2 · H2 5 · H3 8
Links
19 internal · 4 external · 2 broken
Images
7 total · 0 missing alt
Scripts / Styles
6 scripts · 1 stylesheets
JS / CSS size
32.1 KB · 2.5 KB
Page size
39.2 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing canonical link
- Multiple H1 headings found
- No structured data (JSON-LD) found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://dfn.nl
- Final URL
- https://www.deltafiber.nl/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.47 s
- HTML size
- 39.2 KB
- Redirect chain
- https://dfn.nl → https://www.deltafiber.nl/
See something wrong on this report? Request a correction
Related websites
Same technology stack
officiallondontheatre.com
Official London Theatre | Buy London Theatre Tickets
goiq.com
GoIQ - Affordable CRM Made for Small Businesses
savvytime.com
World Clock and Time Converter - Savvy Time
codesnippets.pro
Code Snippets for WordPress
righttoinformation.wiki
File any RTI in India · RTI Wiki
mytd.com
MYTD | Business Management Firm for AI Technology Companies
Same hosting provider
atlan.com
Atlan - The Context Layer for AI
pharmerica.com
PharMerica - Long-Term Care Pharmacy Services
ai-analytics.org
AI Analytics
simplenet.ro
Simplenet oferă găzduire specializată WordPress din 2012
complyadvantage.com
ComplyAdvantage | AI-driven fraud & AML risk detection
arxivlens.com
ArxivLens - AI-Powered Academic Paper Search | arXiv...
Frequently asked questions
- What technology does dfn.nl use?
- dfn.nl is built with Cloudflare Analytics.
- Is dfn.nl secure (HTTPS)?
- Yes. dfn.nl uses TLS 1.3 with a certificate issued by Google Trust Services, valid until Sep 10, 2026.
- Who hosts dfn.nl?
- dfn.nl is hosted on Cloudflare, behind Cloudflare CDN.
- What is dfn.nl's SEO score?
- dfn.nl scored 75/100 for SEO in the latest analysis (fair).
- What is dfn.nl's overall website score?
- dfn.nl has an overall SiteGraph score of 78/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card