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SGSiteGraph

kosen-k.go.jp

トップページ | 国立高等専門学校機構

Last scanned Aug 24, 2026, 1:23 PM · 2 views

87

Overall score

Great

Summary

独立行政法人国立高等専門学校機構は，職業に必要な実践的かつ専門的な知識及び技術を有する創造的な人材を育成しています。. This website uses WordPress hosted on SAKURA-C - SAKURA Internet Inc., JP. SEO is good (85/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance good (85/100). Top issue: Meta description longer than 160 characters.

独立行政法人国立高等専門学校機構は，職業に必要な実践的かつ専門的な知識及び技術を有する創造的な人材を育成しています。

Japan
Hosted on SAKURA-C - SAKURA Internet Inc., JP

Top issues to fix

3 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No H1 heading found

    SEO

    Add exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.

  • Meta description longer than 160 characters

    SEO

    Trim the meta description to under 160 characters to avoid truncation in search results.

85

SEO

2 issue(s) found

85

Performance

925 ms

90

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Organization

Company details published in this site's own structured data.

独立行政法人国立高等専門学校機構は，職業に必要な実践的かつ専門的な知識及び技術を有する創造的な人材を育成しています。

Meta tags

Title
トップページ | 国立高等専門学校機構
Description
独立行政法人国立高等専門学校機構は，職業に必要な実践的かつ専門的な知識及び技術を有する創造的な人材を育成しています。
Canonical
https://www.kosen-k.go.jp
Language
ja
Charset
UTF-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
max-image-preview:large
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
トップページ | 国立高等専門学校機構
og:description
独立行政法人国立高等専門学校機構は，職業に必要な実践的かつ専門的な知識及び技術を有する創造的な人材を育成しています。
og:type
article
og:url
https://www.kosen-k.go.jp

Twitter Card

twitter:card
summary
twitter:title
トップページ | 国立高等専門学校機構
twitter:description
独立行政法人国立高等専門学校機構は，職業に必要な実践的かつ専門的な知識及び技術を有する創造的な人材を育成しています。

Technologies

Detected frameworks, languages, and tools.

WordPressjQueryGoogle AnalyticsNginx

Hosting & CDN

CDN provider
—
IP address
133.167.31.2
ASN
AS9371 (SAKURA-C - SAKURA Internet Inc., JP)

DNS records

TypeValue
A
  • 133.167.31.2
AAAA—
MX—
TXT—
NS—
CAA—
CNAME
  • y8bxm1qv.user.webaccel.jp
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
SECOM Trust Systems Co., Ltd.
Subject
www.kosen-k.go.jp
Valid from
Mar 2, 2026
Valid to
Apr 2, 2027
Days until expiry
219
SAN domains
www.kosen-k.go.jp, kosen-k.go.jp

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyMissing
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 5 · H3 21

Links

73 internal · 63 external · 0 broken

Images

18 total · 0 missing alt

Scripts / Styles

28 scripts · 9 stylesheets

JS / CSS size

1.0 MB · 90.0 KB

Page size

82.3 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
1
sitemap.xml
Found
URLs in sitemap
-1

SEO issues

  • Meta description longer than 160 characters
  • No H1 heading found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://kosen-k.go.jp
Final URL
https://www.kosen-k.go.jp/
HTTP status
200
HTTP version
HTTP/2
Response time
924 ms
HTML size
82.3 KB
Redirect chain
https://kosen-k.go.jp → https://www.kosen-k.go.jp/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does kosen-k.go.jp use?
kosen-k.go.jp is built with WordPress, jQuery, Google Analytics, Nginx.
Is kosen-k.go.jp secure (HTTPS)?
Yes. kosen-k.go.jp uses TLS 1.3 with a certificate issued by SECOM Trust Systems Co., Ltd., valid until Apr 2, 2027.
Who hosts kosen-k.go.jp?
kosen-k.go.jp is hosted on SAKURA-C - SAKURA Internet Inc., JP.
What is kosen-k.go.jp's SEO score?
kosen-k.go.jp scored 85/100 for SEO in the latest analysis (great).
What is kosen-k.go.jp's overall website score?
kosen-k.go.jp has an overall SiteGraph score of 87/100, combining SEO, performance, security, and accessibility.