web-jong.com
麻雀天聖 | 無料で初心者から遊べる麻雀ゲーム
Last scanned Jul 26, 2026, 12:49 PM
Overall score
Fair
Summary
無料で初心者の方も楽しめる麻雀ゲームです。四人麻雀と三人麻雀があり、CPUのレベル設定や赤ドラ・喰いタン等のルール設定も可能です。. This website uses Google Analytics. SEO is fair (50/100) and accessibility is fair (50/100). Security scores good (75/100) and performance excellent (100/100). Top issue: Title longer than 60 characters.
無料で初心者の方も楽しめる麻雀ゲームです。四人麻雀と三人麻雀があり、CPUのレベル設定や赤ドラ・喰いタン等のルール設定も可能です。
Top issues to fix
14 issues found · 4 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.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
+8 more issues — details in the sections below.
SEO
8 issue(s) found
Performance
404 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Organization
Company details published in this site's own structured data.
無料で初心者の方も楽しめる麻雀ゲームです。四人麻雀と三人麻雀があり、CPUのレベル設定や赤ドラ・喰いタン等のルール設定も可能です。
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- 麻雀天聖 | 無料で初心者から遊べる麻雀ゲーム
- Description
- 無料で初心者の方も楽しめる麻雀ゲームです。四人麻雀と三人麻雀があり、CPUのレベル設定や赤ドラ・喰いタン等のルール設定も可能です。
- Canonical
- Language
- Charset
- Viewport
- initial-scale=1, user-scalable=no
- Robots meta
- index, follow
- Manifest
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
- Nijimo K.K.
- Subject
- www.web-jong.com
- Valid from
- Aug 21, 2025
- Valid to
- Sep 20, 2026
- Days until expiry
- 54
- SAN domains
- www.web-jong.com, web-jong.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
7 internal · 2 external · 9 broken
Images
7 total · 7 missing alt
Scripts / Styles
16 scripts · 1 stylesheets
JS / CSS size
2.1 KB · 503 B
Page size
28.6 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Title longer than 60 characters
- Meta description longer than 160 characters
- 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
- Over half of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
Scan details
- Requested URL
- https://web-jong.com
- Final URL
- https://www.web-jong.com/game/tensei/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 404 ms
- HTML size
- 28.6 KB
- Redirect chain
- https://web-jong.com → https://www.web-jong.com/ → https://www.web-jong.com/game/tensei/
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does web-jong.com use?
- web-jong.com is built with Google Analytics, Google Ads.
- Is web-jong.com secure (HTTPS)?
- Yes. web-jong.com uses TLS 1.3 with a certificate issued by Nijimo K.K., valid until Sep 20, 2026.
- Who hosts web-jong.com?
- Hosting provider information for web-jong.com is not available yet.
- What is web-jong.com's SEO score?
- web-jong.com scored 50/100 for SEO in the latest analysis (fair).
- What is web-jong.com's overall website score?
- web-jong.com has an overall SiteGraph score of 69/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card