jacks.nl
JACKS.NL | Online Casino & Sportweddenschappen
Last scanned Jul 26, 2026, 5:48 AM · 2 views
Overall score
Great
Summary
Welkom bij JACKS.NL! Registreer en claim een welkomstbonus. This website uses Cloudflare Analytics behind Cloudflare CDN. SEO is good (80/100) and accessibility is excellent (90/100). Security scores good (75/100) and performance good (80/100). Top issue: No H1 heading found.
JACKS.NL | Online Casino & Sportsbook
Welkom bij JACKS.NL! Registreer en claim een welkomstbonus. Ontvang bv. tot €250 casino bonus, of één €100 Free Bet voor onze sportsbook!
Top issues to fix
8 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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
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.
robots.txt not found
SEOPublish /robots.txt with a Sitemap: directive to guide crawlers.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
1.63 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
Meta tags
- Title
- JACKS.NL | Online Casino & Sportweddenschappen
- Description
- Welkom bij JACKS.NL! Registreer en claim een welkomstbonus. Ontvang bv. tot €250 casino bonus, of één €100 Free Bet voor onze sportsbook!
- Canonical
- https://jacks.nl
- Language
- nl
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1, maximum-scale=1,user-scalable=0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- Cloudflare
- 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
- jacks.nl
- Valid from
- Jul 22, 2026
- Valid to
- Oct 20, 2026
- Days until expiry
- 83
- SAN domains
- *.jacks.nl, jacks.nl
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 2 cookie(s) observed
Content & assets
Headings
H1 0 · H2 1 · H3 18
Links
132 internal · 13 external · 20 broken
Images
297 total · 6 missing alt
Scripts / Styles
14 scripts · 1 stylesheets
JS / CSS size
29.6 KB · 0 B
Page size
748 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- No H1 heading found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://jacks.nl
- Final URL
- https://jacks.nl
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.61 s
- HTML size
- 748 KB
- Redirect chain
- https://jacks.nl
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does jacks.nl use?
- jacks.nl is built with Cloudflare Analytics.
- Is jacks.nl secure (HTTPS)?
- Yes. jacks.nl uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Oct 20, 2026.
- Who hosts jacks.nl?
- Hosting provider information for jacks.nl is not available yet.
- What is jacks.nl's SEO score?
- jacks.nl scored 80/100 for SEO in the latest analysis (great).
- What is jacks.nl's overall website score?
- jacks.nl has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
- What company operates jacks.nl?
- jacks.nl is operated by JACKS.NL | Online Casino & Sportsbook. Welkom bij JACKS.NL! Registreer en claim een welkomstbonus. Ontvang bv. tot €250 casino bonus, of één €100 Free Bet voor onze sportsbook!
OpenGraph & Twitter Card
OpenGraph
Twitter Card