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247sudoku.com

Sudoku 247 - Play Free Sudoku Games Online

Last scanned Aug 24, 2026, 1:21 PM

87

Overall score

Great

Summary

Play free Sudoku games online: easy sudok, medium sudoku, hard sudoku, expert sudoku, daily challenge sudoku--and many more!. This website uses Google Analytics hosted on AWS behind CloudFront CDN. SEO is good (85/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: No structured data (JSON-LD) found.

Play free Sudoku games online: easy sudok, medium sudoku, hard sudoku, expert sudoku, daily challenge sudoku--and many more!

United States
Hosted on AWS

Top issues to fix

6 issues found · 2 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.

  • Missing X-Content-Type-Options header

    Security

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

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

85

SEO

2 issue(s) found

100

Performance

11 ms

65

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.

Play free Sudoku games online: easy sudok, medium sudoku, hard sudoku, expert sudoku, daily challenge sudoku--and many more!

Meta tags

Title
Sudoku 247 - Play Free Sudoku Games Online
Description
Play free Sudoku games online: easy sudok, medium sudoku, hard sudoku, expert sudoku, daily challenge sudoku--and many more!
Canonical
https://www.247sudoku.com/
Language
en-US
Charset
UTF-8
Viewport
width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=5
Robots meta
index, follow
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Google Analytics

Hosting & CDN

Hosting provider
AWS
CDN provider
CloudFront
IP address
13.227.249.71
ASN
AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

TypeValue
A
  • 13.227.249.71
  • 13.227.249.93
  • 13.227.249.68
  • 13.227.249.12
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Amazon
Subject
www.247sudoku.com
Valid from
Dec 25, 2025
Valid to
Jan 22, 2027
Days until expiry
151
SAN domains
www.247sudoku.com, 247sudoku.com

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyMissing
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 11 · H3 4

Links

64 internal · 22 external · 0 broken

Images

52 total · 0 missing alt

Scripts / Styles

7 scripts · 0 stylesheets

JS / CSS size

106 KB · 22.3 KB

Page size

144 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
0
sitemap.xml
Found
URLs in sitemap
115

SEO issues

  • No structured data (JSON-LD) found
  • Missing OpenGraph tags

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://247sudoku.com
Final URL
https://www.247sudoku.com/
HTTP status
200
HTTP version
HTTP/2
Response time
9 ms
HTML size
144 KB
Redirect chain
https://247sudoku.com → https://www.247sudoku.com/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does 247sudoku.com use?
247sudoku.com is built with Google Analytics.
Is 247sudoku.com secure (HTTPS)?
Yes. 247sudoku.com uses TLS 1.3 with a certificate issued by Amazon, valid until Jan 22, 2027.
Who hosts 247sudoku.com?
247sudoku.com is hosted on AWS, behind CloudFront CDN.
What is 247sudoku.com's SEO score?
247sudoku.com scored 85/100 for SEO in the latest analysis (great).
What is 247sudoku.com's overall website score?
247sudoku.com has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.