Skip to main content
SGSiteGraph

sinet.ad.jp

Home - SINET6 - Science Information NETwork 6

Last scanned Jul 26, 2026, 5:47 AM · 2 views

75

Overall score

Fair

Summary

学術情報ネットワークSINETは、日本全国の大学、研究機関等の学術情報基盤として、国立情報学研究所(NII)が構築、運用している情報通信ネットワークです。 2022年4… This website uses WordPress hosted on SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP. SEO is good (80/100) and accessibility is excellent (100/100). Security scores poor (35/100) and performance excellent (90/100). Top issue: Meta description longer than 160 characters.

学術情報ネットワークSINETは、日本全国の大学、研究機関等の学術情報基盤として、国立情報学研究所(NII)が構築、運用している情報通信ネットワークです。 2022年4月よりSINET6の本格運用を開始しました。

Japan
Hosted on SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP

Top issues to fix

8 issues found · 1 high priority

  • 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.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

80

SEO

4 issue(s) found

90

Performance

635 ms

35

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.

学術情報ネットワークSINETは、日本全国の大学、研究機関等の学術情報基盤として、国立情報学研究所(NII)が構築、運用している情報通信ネットワークです。 2022年4月よりSINET6の本格運用を開始しました。

YouTube

Meta tags

Title
Home - SINET6 - Science Information NETwork 6
Description
学術情報ネットワークSINETは、日本全国の大学、研究機関等の学術情報基盤として、国立情報学研究所(NII)が構築、運用している情報通信ネットワークです。 2022年4月よりSINET6の本格運用を開始しました。
Canonical
Language
ja
Charset
utf-8
Viewport
width=device-width, initial-scale=1, shrink-to-fit=no
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
Home - SINET6 - Science Information NETwork 6
og:description
学術情報ネットワークSINETは、日本全国の大学、研究機関等の学術情報基盤として、国立情報学研究所(NII)が構築、運用している情報通信ネットワークです。 2022年4月よりSINET6の本格運用を開始しました。
og:type
website
og:url
https://www.sinet.ad.jp/

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

GatsbyWordPressGoogle AnalyticsApache

Hosting & CDN

CDN provider
—
IP address
150.100.0.25
ASN
AS2907 (SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP)

DNS records

TypeValue
A
  • 150.100.0.25
AAAA—
MX
  • mx.securemx.jp
TXT
  • v=spf1 ip4:150.100.3.7 ip4:150.99.100.36 ip4:150.100.1.5 ip4:150.100.0.5 ip4:150.99.250.7 ip4:150.99.250.67 ip4:150.100.12.178 ip6:2001:2f8:fe80::7 include:nii.ac.jp include:ote.kddi.com ~all
NS
  • jpnac01.sinet.ad.jp
  • dns01.sinet.ad.jp
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
SECOM Trust Systems Co., Ltd.
Subject
www.sinet.ad.jp
Valid from
Jun 3, 2026
Valid to
Dec 18, 2026
Days until expiry
142
SAN domains
www.sinet.ad.jp

Security headers

  • Strict-Transport-SecurityEnabled
  • 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 10 · H3 6

Links

109 internal · 6 external · 19 broken

Images

38 total · 0 missing alt

Scripts / Styles

37 scripts · 0 stylesheets

JS / CSS size

12.1 KB · 191 KB

Page size

313 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
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://sinet.ad.jp
Final URL
https://sinet.ad.jp
HTTP status
200
HTTP version
HTTP/2
Response time
629 ms
HTML size
313 KB
Redirect chain
https://sinet.ad.jp

See something wrong on this report? Request a correction

Related websites

Same technology stack

lucerna-chem.ch

Lucerna-Chem AG

100
wordpressapachegoogle-analytics
HOSTPOINT-AS - Hostpoint AG, CH

ebi.ac.uk

EMBL-EBI homepage | EMBL-EBI

100
wordpressapachegoogle-analytics
JANET - Jisc Services Limited, GB

3u.net

3U HOLDING AG: Erfolg in Digitalisierung, Onlinehandel & Erneuerbaren Energien

99
wordpressapachegoogle-analytics
HETZNER-AS - Hetzner Online GmbH, DE

talentlms.com

TalentLMS: The #1 Cloud LMS Software for Online Learning

98
wordpressphpapache
AWS· CloudFront

snapsurveys.com

Survey Software with Managed Services

98
wordpressapachegoogle-analytics
UKFAST - ANS ACADEMY LIMITED, GB

linx.net

London Internet Exchange | LINX

98
wordpressapachegoogle-analytics
MYTHIC - Mythic Beasts Ltd, GB

Same hosting provider

geidai.ac.jp

東京藝術大学

80
wordpressphpapache
SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP

uec.ac.jp

uec.ac.jp

61
apache
SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP

Frequently asked questions

What technology does sinet.ad.jp use?
sinet.ad.jp is built with Gatsby, WordPress, Google Analytics, Apache.
Is sinet.ad.jp secure (HTTPS)?
Yes. sinet.ad.jp uses TLS 1.3 with a certificate issued by SECOM Trust Systems Co., Ltd., valid until Dec 18, 2026.
Who hosts sinet.ad.jp?
sinet.ad.jp is hosted on SINET-AS - Research Organization of Information and Systems, National Institute of Informatics, JP.
What is sinet.ad.jp's SEO score?
sinet.ad.jp scored 80/100 for SEO in the latest analysis (great).
What is sinet.ad.jp's overall website score?
sinet.ad.jp has an overall SiteGraph score of 75/100, combining SEO, performance, security, and accessibility.