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jacks.nl

JACKS.NL | Online Casino & Sportweddenschappen

Last scanned Jul 26, 2026, 5:48 AM · 2 views

81

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

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No H1 heading found

    SEO

    Add 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

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • 1 cookie 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.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

80

SEO

3 issue(s) found

80

Performance

1.63 s

75

Security

HTTPS & header checks

90

Accessibility

1 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.

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!

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

OpenGraph & Twitter Card

OpenGraph

og:title
JACKS.NL | Online Casino & Sportsbook
og:description
JACKS.NL biedt spelers een breed aanbod van online kansspelen zoals gokkasten, videoslots en nog veel meer casinospellen. Neem plaats aan onze Live Casino tafels, waar onder leiding van Nederlandstalige Game Presenters, Roulette en Blackjack kan worden gespeeld. Ook is het mogelijk om op diverse sporten zoals voetbal, darts, tennis en F1 te wedden. Dit alles in een veilige, verantwoorde en betrouwbare speelomgeving met 24/7 klantenservice!
og:type
website
og:url
https://jacks.nl

Twitter Card

twitter:card
twitter:title
twitter:description

Technologies

Detected frameworks, languages, and tools.

Hosting & CDN

Hosting provider
CDN provider
Cloudflare
IP address
ASN

DNS records

TypeValue
A
AAAA
MX
TXT
NS
CAA
CNAME
IPv6 supportNo

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

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!