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kanazawa21.jp

金沢21世紀美術館 | 21st Century Museum of Contemporary Art, Kanazawa.

Last scanned Aug 24, 2026, 1:22 PM · 1 view

77

Overall score

Fair

Summary

石川県金沢市にある現代美術館です。来館情報、展覧会、イベント、教育普及プログラム、コレクションの紹介など。. This website uses PHP. SEO is fair (70/100) and accessibility is good (85/100). Security scores fair (65/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

石川県金沢市にある現代美術館です。来館情報、展覧会、イベント、教育普及プログラム、コレクションの紹介など。

Top issues to fix

12 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.

  • 1 cookie without Secure/HttpOnly flags

    Security

    Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.

  • Title longer than 60 characters

    SEO

    Shorten the title to under 60 characters so search results don't truncate it.

+6 more issues — details in the sections below.

70

SEO

5 issue(s) found

90

Performance

1.13 s

65

Security

HTTPS & header checks

85

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.

石川県金沢市にある現代美術館です。来館情報、展覧会、イベント、教育普及プログラム、コレクションの紹介など。

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Meta tags

Title
金沢21世紀美術館 | 21st Century Museum of Contemporary Art, Kanazawa.
Description
石川県金沢市にある現代美術館です。来館情報、展覧会、イベント、教育普及プログラム、コレクションの紹介など。
Canonical
Language
ja
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
金沢21世紀美術館 | 21st Century Museum of Contemporary Art, Kanazawa.
og:description
石川県金沢市にある現代美術館です。来館情報、展覧会、イベント、教育普及プログラム、コレクションの紹介など。
og:type
website
og:url
https://www.kanazawa21.jp/

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

PHPjQueryGoogle AnalyticsApache

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.2
Issuer
DigiCert Inc
Subject
www.kanazawa21.jp
Valid from
Apr 28, 2026
Valid to
Nov 12, 2026
Days until expiry
79
SAN domains
www.kanazawa21.jp, kanazawa21.jp

Security headers

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

Compression: none · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 7 · H3 2

Links

82 internal · 11 external · 20 broken

Images

32 total · 11 missing alt

Scripts / Styles

11 scripts · 7 stylesheets

JS / CSS size

1.3 KB · 0 B

Page size

63.7 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
  • Missing canonical link
  • No structured data (JSON-LD) found
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

  • More than 20% of images are missing alt text

Scan details

Requested URL
https://kanazawa21.jp
Final URL
https://www.kanazawa21.jp/
HTTP status
200
HTTP version
HTTP/1.1
Response time
1.13 s
HTML size
63.7 KB
Redirect chain
https://kanazawa21.jp → http://www.kanazawa21.jp/ → https://www.kanazawa21.jp/

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· CloudFront

Frequently asked questions

What technology does kanazawa21.jp use?
kanazawa21.jp is built with PHP, jQuery, Google Analytics, Apache.
Is kanazawa21.jp secure (HTTPS)?
Yes. kanazawa21.jp uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Nov 12, 2026.
Who hosts kanazawa21.jp?
Hosting provider information for kanazawa21.jp is not available yet.
What is kanazawa21.jp's SEO score?
kanazawa21.jp scored 70/100 for SEO in the latest analysis (fair).
What is kanazawa21.jp's overall website score?
kanazawa21.jp has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.