stardust.co.jp
【公式】スターダストプロモーション
Last scanned Jul 26, 2026, 4:17 PM · 2 views
Overall score
Great
Summary
株式会社スターダストプロモーション(Stardust Promotion)のオフィシャルサイトです。 タレント・アーティストのプロモーションをはじめ、映像・音楽・グッズ制作… This website uses WordPress behind CloudFront CDN. SEO is good (80/100) and accessibility is excellent (90/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.
株式会社スターダストプロモーション(Stardust Promotion)のオフィシャルサイトです。 タレント・アーティストのプロモーションをはじめ、映像・音楽・グッズ制作など多角的かつ広域にわたったクリエイティブ活動に取り組んでいます。 東京のほか、大阪、仙台、名古屋、福岡、沖縄に営業所を持ち、総勢1000人を超えるタレント所属。
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.
TLS certificate expires in 19 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
+2 more issues — details in the sections below.
SEO
3 issue(s) found
Performance
1.22 s
Security
HTTPS & header checks
Accessibility
1 issue(s) found
Organization
Company details published in this site's own structured data.
株式会社スターダストプロモーション(Stardust Promotion)のオフィシャルサイトです。 タレント・アーティストのプロモーションをはじめ、映像・音楽・グッズ制作など多角的かつ広域にわたったクリエイティブ活動に取り組んでいます。 東京のほか、大阪、仙台、名古屋、福岡、沖縄に営業所を持ち、総勢1000人を超えるタレント所属。
Meta tags
- Title
- 【公式】スターダストプロモーション
- Description
- 株式会社スターダストプロモーション(Stardust Promotion)のオフィシャルサイトです。 タレント・アーティストのプロモーションをはじめ、映像・音楽・グッズ制作など多角的かつ広域にわたったクリエイティブ活動に取り組んでいます。 東京のほか、大阪、仙台、名古屋、福岡、沖縄に営業所を持ち、総勢1000人を超えるタレント所属。
- Canonical
- https://www.stardust.co.jp/
- Language
- ja
- Charset
- utf-8
- Viewport
- width=device-width
- Robots meta
- max-image-preview:large
- Manifest
Technologies
Detected frameworks, languages, and tools.
Hosting & CDN
- Hosting provider
- —
- CDN provider
- CloudFront
- IP address
- 18.66.41.19
- ASN
- —
DNS records
| Type | Value |
|---|---|
| A |
|
| AAAA |
|
| MX | — |
| TXT | — |
| NS |
|
| CAA | — |
| CNAME |
|
| IPv6 support | Yes |
TLS / SSL certificate
- Version
- TLS 1.3
- Issuer
- DigiCert Inc
- Subject
- www.stardust.co.jp
- Valid from
- Aug 18, 2025
- Valid to
- Aug 17, 2026
- Days until expiry
- 19
- SAN domains
- www.stardust.co.jp, stardust.co.jp
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 0
Links
82 internal · 4 external · 0 broken
Images
79 total · 0 missing alt
Scripts / Styles
14 scripts · 2 stylesheets
JS / CSS size
128 KB · 103 KB
Page size
68.6 KB
Robots.txt & Sitemap
- robots.txt
- Found
- Disallow rules
- 6
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Meta description longer than 160 characters
- No H1 heading found
- sitemap.xml not found
Accessibility issues
- No H1 heading found
Scan details
- Requested URL
- https://stardust.co.jp
- Final URL
- https://www.stardust.co.jp/
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 1.22 s
- HTML size
- 68.6 KB
- Redirect chain
- https://stardust.co.jp → https://www.stardust.co.jp/
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Frequently asked questions
- What technology does stardust.co.jp use?
- stardust.co.jp is built with WordPress, jQuery.
- Is stardust.co.jp secure (HTTPS)?
- Yes. stardust.co.jp uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Aug 17, 2026.
- Who hosts stardust.co.jp?
- Hosting provider information for stardust.co.jp is not available yet.
- What is stardust.co.jp's SEO score?
- stardust.co.jp scored 80/100 for SEO in the latest analysis (great).
- What is stardust.co.jp's overall website score?
- stardust.co.jp has an overall SiteGraph score of 81/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card