kenkyuukai.jp
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Last scanned Jul 26, 2026, 7:46 AM
Overall score
Fair
Summary
m3.com�w������́A2,000�����w���E�������̑������C�x���g�����������\�Ȉ��Ï]���Ҍ����T�C�g�ł��B���ɂ��A�����z�[���y�[�W�쐬���w��E�����{���A���[���z�M�Ȃǂ֗̕��ȋ@�\���[�����Ă��܂��B. This website uses Google Analytics. SEO is fair (55/100) and accessibility is good (75/100). Security scores fair (70/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
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Top issues to fix
13 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.
Missing viewport meta tag
AccessibilityAdd <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEOTrim the meta description to under 160 characters to avoid truncation in search results.
+7 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
288 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Organization
Company details published in this site's own structured data.
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Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- m3.com�w������b���Ï]���Ҍ������������T�C�g
- Description
- m3.com�w������́A2,000�����w���E�������̑������C�x���g�����������\�Ȉ��Ï]���Ҍ����T�C�g�ł��B���ɂ��A�����z�[���y�[�W�쐬���w��E�����{���A���[���z�M�Ȃǂ֗̕��ȋ@�\���[�����Ă��܂��B
- Canonical
- Language
- Charset
- shift_jis
- Viewport
- Robots meta
- Manifest
- https://s.m3img.com/atlas/1.0.0/images/favicon/android-chrome-manifest.json
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
- DigiCert Inc
- Subject
- kenkyuukai.m3.com
- Valid from
- Sep 2, 2025
- Valid to
- Oct 1, 2026
- Days until expiry
- 65
- SAN domains
- kenkyuukai.m3.com, www.kenkyuukai.m3.com
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsEnabled
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 2 · H3 0
Links
9 internal · 8 external · 17 broken
Images
4 total · 0 missing alt
Scripts / Styles
43 scripts · 5 stylesheets
JS / CSS size
3.3 KB · 0 B
Page size
16.5 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- 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
- No H1 heading found
- Missing <html lang> attribute
- Missing viewport meta tag
Scan details
- Requested URL
- https://kenkyuukai.jp
- Final URL
- https://kenkyuukai.m3.com/?r
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 288 ms
- HTML size
- 16.5 KB
- Redirect chain
- https://kenkyuukai.jp → https://kenkyuukai.m3.com/?r
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does kenkyuukai.jp use?
- kenkyuukai.jp is built with jQuery, Google Analytics.
- Is kenkyuukai.jp secure (HTTPS)?
- Yes. kenkyuukai.jp uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Oct 1, 2026.
- Who hosts kenkyuukai.jp?
- Hosting provider information for kenkyuukai.jp is not available yet.
- What is kenkyuukai.jp's SEO score?
- kenkyuukai.jp scored 55/100 for SEO in the latest analysis (fair).
- What is kenkyuukai.jp's overall website score?
- kenkyuukai.jp has an overall SiteGraph score of 74/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card