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SGSiteGraph

nihon-u.ac.jp

日本大学

Last scanned Jul 26, 2026, 5:17 AM · 3 views

76

Overall score

Fair

Summary

日本大学公式サイト：「自主創造 - 日本大学 Nihon University - あなたとともに100万人の仲間とともに」～　日本大学は、日本一教育力のある総合大学を目指し、それ��… This website uses Nginx. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (75/100). Top issue: Meta description longer than 160 characters.

日本大学公式サイト：「自主創造 - 日本大学 Nihon University - あなたとともに100万人の仲間とともに」～　日本大学は、日本一教育力のある総合大学を目指し、それぞれが学ぶ領域や活動体験を生かして「自主創造」の気風に満ちた人材の育成に力を入れています。

Top issues to fix

10 issues found · 2 high priority

  • Missing Strict-Transport-Security header

    Security

    Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.

  • Missing Content-Security-Policy header

    Security

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

  • Missing X-Content-Type-Options header

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • Meta description longer than 160 characters

    SEO

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

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

+4 more issues — details in the sections below.

70

SEO

5 issue(s) found

75

Performance

707 ms

65

Security

HTTPS & header checks

100

Accessibility

0 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.

日本大学公式サイト：「自主創造 - 日本大学 Nihon University - あなたとともに100万人の仲間とともに」～　日本大学は、日本一教育力のある総合大学を目指し、それぞれが学ぶ領域や活動体験を生かして「自主創造」の気風に満ちた人材の育成に力を入れています。

YouTube

Meta tags

Title
日本大学
Description
日本大学公式サイト：「自主創造 - 日本大学 Nihon University - あなたとともに100万人の仲間とともに」～　日本大学は、日本一教育力のある総合大学を目指し、それぞれが学ぶ領域や活動体験を生かして「自主創造」の気風に満ちた人材の育成に力を入れています。
Canonical
Language
ja
Charset
UTF-8
Viewport
width=device-width, initial-scale=1.0
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
日本大学
og:description
日本大学公式サイト：「自主創造 - 日本大学 Nihon University - あなたとともに100万人の仲間とともに」～　日本大学は、日本一教育力のある総合大学を目指し、それぞれが学ぶ領域や活動体験を生かして「自主創造」の気風に満ちた人材の育成に力を入れています。
og:type
website
og:url
https://www.nihon-u.ac.jp/

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

Google AnalyticsNginx

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
34.95.124.173
ASN
—

DNS records

TypeValue
A
  • 34.95.124.173
AAAA
  • 2600:1901:0:6a1c::
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
SECOM Trust Systems Co., Ltd.
Subject
www.nihon-u.ac.jp
Valid from
Mar 3, 2026
Valid to
Apr 3, 2027
Days until expiry
250
SAN domains
www.nihon-u.ac.jp, nihon-u.ac.jp, www.law.nihon-u.ac.jp, law.nihon-u.ac.jp

Security headers

  • Strict-Transport-SecurityMissing
  • Content-Security-PolicyMissing
  • X-Frame-OptionsMissing
  • X-Content-Type-OptionsMissing
  • Referrer-PolicyMissing
  • Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 3 · H3 0

Links

66 internal · 20 external · 5 broken

Images

33 total · 1 missing alt

Scripts / Styles

8 scripts · 4 stylesheets

JS / CSS size

1.6 MB · 1.1 MB

Page size

63.5 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 structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://nihon-u.ac.jp
Final URL
https://www.nihon-u.ac.jp/
HTTP status
200
HTTP version
HTTP/2
Response time
706 ms
HTML size
63.5 KB
Redirect chain
https://nihon-u.ac.jp → https://www.nihon-u.ac.jp/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does nihon-u.ac.jp use?
nihon-u.ac.jp is built with Google Analytics, Nginx.
Is nihon-u.ac.jp secure (HTTPS)?
Yes. nihon-u.ac.jp uses TLS 1.3 with a certificate issued by SECOM Trust Systems Co., Ltd., valid until Apr 3, 2027.
Who hosts nihon-u.ac.jp?
Hosting provider information for nihon-u.ac.jp is not available yet.
What is nihon-u.ac.jp's SEO score?
nihon-u.ac.jp scored 70/100 for SEO in the latest analysis (fair).
What is nihon-u.ac.jp's overall website score?
nihon-u.ac.jp has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.