desz.com
Sportvereniging DESZ Zwartsluis - DESZ.nl
Last scanned Jul 30, 2026, 4:00 AM · 10 views
Overall score
Great
Summary
Sportvereniging DESZ Zwartsluis. This website uses Google Analytics. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores good (80/100) and performance excellent (100/100). Top issue: Missing canonical link.
Sportvereniging DESZ Zwartsluis
Top issues to fix
10 issues found · 3 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+4 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
653 ms
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Score history
-3 overall since Jul 22, 2026
- Overall
- 81
- SEO
- 60
- Security
- 80
- Performance
- 100
- Accessibility
- 90
Organization
Company details published in this site's own structured data.
Sportvereniging DESZ Zwartsluis
Meta tags
- Title
- Sportvereniging DESZ Zwartsluis - DESZ.nl
- Description
- Sportvereniging DESZ Zwartsluis
- Canonical
- Language
- nl
- Charset
- utf-8
- Viewport
- width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0
- Robots meta
- index,follow
- Manifest
- https://desz.nl/assets/favicons/android-chrome-manifest.json
Technologies
Detected frameworks, languages, and tools.
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
- Let's Encrypt
- Subject
- desz.nl
- Valid from
- Jun 13, 2026
- Valid to
- Sep 11, 2026
- Days until expiry
- 42
- SAN domains
- desz.com, desz.nl, www.desz.com, www.desz.nl
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 22 · H3 1
Links
64 internal · 17 external · 20 broken
Images
47 total · 0 missing alt
Scripts / Styles
7 scripts · 3 stylesheets
JS / CSS size
4.0 KB · 0 B
Page size
64.4 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 H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://desz.com
- Final URL
- https://desz.nl/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 652 ms
- HTML size
- 64.4 KB
- Redirect chain
- https://desz.com → https://desz.nl/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does desz.com use?
- desz.com is built with Laravel, jQuery, Google Analytics.
- Is desz.com secure (HTTPS)?
- Yes. desz.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 11, 2026.
- Who hosts desz.com?
- Hosting provider information for desz.com is not available yet.
- What is desz.com's SEO score?
- desz.com scored 60/100 for SEO in the latest analysis (fair).
- What is desz.com's overall website score?
- desz.com has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
- Has desz.com's score changed over time?
- desz.com's overall score has declined by 3 points (from 84 to 81) since Jul 22, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card