league-one.jp
【公式】ジャパンラグビー リーグワン 公式サイト
Last scanned Jul 26, 2026, 4:17 PM
Overall score
Great
Summary
JAPAN RUGBY LEAGUE ONE（リーグワン）公式サイトでは試合速報、ニュースリリース、日程結果、順位、チーム/選手情報などをご覧いただけます。. This website uses jQuery. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores good (80/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.
JAPAN RUGBY LEAGUE ONE（リーグワン）公式サイトでは試合速報、ニュースリリース、日程結果、順位、チーム/選手情報などをご覧いただけます。
Top issues to fix
9 issues found · 2 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.
Title longer than 60 characters
SEOShorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
+3 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
135 ms
Security
HTTPS & header checks
Accessibility
0 issue(s) found
Organization
Company details published in this site's own structured data.
JAPAN RUGBY LEAGUE ONE（リーグワン）公式サイトでは試合速報、ニュースリリース、日程結果、順位、チーム/選手情報などをご覧いただけます。
Meta tags
- Title
- 【公式】ジャパンラグビー リーグワン 公式サイト
- Description
- JAPAN RUGBY LEAGUE ONE（リーグワン）公式サイトでは試合速報、ニュースリリース、日程結果、順位、チーム/選手情報などをご覧いただけます。
- Canonical
- Language
- ja
- Charset
- UTF-8
- Viewport
- width=device-width, initial-scale=1.0
- Robots meta
- 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 1.2
- Issuer
- Amazon
- Subject
- league-one.jp
- Valid from
- Aug 28, 2025
- Valid to
- Sep 26, 2026
- Days until expiry
- 59
- SAN domains
- league-one.jp
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 11 · H3 3
Links
66 internal · 68 external · 20 broken
Images
134 total · 0 missing alt
Scripts / Styles
7 scripts · 1 stylesheets
JS / CSS size
1.2 KB · 37 B
Page size
54.4 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 structured data (JSON-LD) found
- robots.txt not found
- sitemap.xml not found
Accessibility issues
No accessibility issues detected.
Scan details
- Requested URL
- https://league-one.jp
- Final URL
- https://league-one.jp
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 134 ms
- HTML size
- 54.4 KB
- Redirect chain
- https://league-one.jp
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does league-one.jp use?
- league-one.jp is built with jQuery.
- Is league-one.jp secure (HTTPS)?
- Yes. league-one.jp uses TLS 1.2 with a certificate issued by Amazon, valid until Sep 26, 2026.
- Who hosts league-one.jp?
- Hosting provider information for league-one.jp is not available yet.
- What is league-one.jp's SEO score?
- league-one.jp scored 65/100 for SEO in the latest analysis (fair).
- What is league-one.jp's overall website score?
- league-one.jp has an overall SiteGraph score of 82/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card