sudokukingdom.com
Sudoku Kingdom - Play Free Sudoku Online (Easy to Very Hard)
Last scanned Jul 26, 2026, 3:19 PM
Overall score
Excellent
Summary
Play free online Sudoku puzzles from Easy to Very Hard levels. This website uses Apache hosted on AWS. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
Play free online Sudoku puzzles from Easy to Very Hard levels. No registration required - start playing classic Sudoku instantly, track your time, and enjoy daily challenges.
- United States
- Hosted on AWS
Top issues to fix
3 issues found
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.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
SEO
2 issue(s) found
Performance
508 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
Play free online Sudoku puzzles from Easy to Very Hard levels. No registration required - start playing classic Sudoku instantly, track your time, and enjoy daily challenges.
Meta tags
- Title
- Sudoku Kingdom - Play Free Sudoku Online (Easy to Very Hard)
- Description
- Play free online Sudoku puzzles from Easy to Very Hard levels. No registration required - start playing classic Sudoku instantly, track your time, and enjoy daily challenges.
- Canonical
- https://www.sudokukingdom.com/
- Language
- en
- Charset
- utf-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- AWS
- CDN provider
- —
- IP address
- 52.1.219.231
- ASN
- AS14618 (AMAZON-AES - Amazon.com, Inc., US)
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
- sudokukingdom.com
- Valid from
- Jun 15, 2026
- Valid to
- Sep 13, 2026
- Days until expiry
- 48
- SAN domains
- sudokukingdom.com, www.sudokukingdom.com
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyEnabled
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyEnabled
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 1 · H2 0 · H3 1
Links
16 internal · 2 external · 0 broken
Images
1 total · 0 missing alt
Scripts / Styles
12 scripts · 2 stylesheets
JS / CSS size
254 KB · 95.1 KB
Page size
64.8 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 7
- sitemap.xml
- Found
- URLs in sitemap
- 14
SEO issues
- Meta description longer than 160 characters
- No structured data (JSON-LD) found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://sudokukingdom.com
- Final URL
- https://www.sudokukingdom.com/
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 507 ms
- HTML size
- 64.8 KB
- Redirect chain
- https://sudokukingdom.com → https://www.sudokukingdom.com/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does sudokukingdom.com use?
- sudokukingdom.com is built with PHP, Google Analytics, Google Ads, Meta Pixel, Apache.
- Is sudokukingdom.com secure (HTTPS)?
- Yes. sudokukingdom.com uses TLS 1.3 with a certificate issued by Let's Encrypt, valid until Sep 13, 2026.
- Who hosts sudokukingdom.com?
- sudokukingdom.com is hosted on AWS.
- What is sudokukingdom.com's SEO score?
- sudokukingdom.com scored 85/100 for SEO in the latest analysis (great).
- What is sudokukingdom.com's overall website score?
- sudokukingdom.com has an overall SiteGraph score of 96/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card