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SGSiteGraph

hakusensha.co.jp

白泉社

Last scanned Jul 30, 2026, 2:00 PM · 7 views

68

Overall score

Fair

Summary

白泉社公式サイト。「花とゆめ」「LaLa」など少女マンガを中心にした、出版物の情報が満載！TVドラマ・アニメ化・映画化の情報やWeb限定情報もたくさん！. This website uses WordPress behind Cloudflare CDN. SEO is fair (70/100) and accessibility is fair (70/100). Security scores fair (50/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.

白泉社公式サイト。「花とゆめ」「LaLa」など少女マンガを中心にした、出版物の情報が満載！TVドラマ・アニメ化・映画化の情報やWeb限定情報もたくさん！

Top issues to fix

8 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.

  • Over half of images are missing alt text

    Accessibility

    Add alt attributes to images — screen readers depend on them, and they help image SEO.

  • 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.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • robots.txt not found

    SEO

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

+2 more issues — details in the sections below.

70

SEO

5 issue(s) found

80

Performance

1.97 s

50

Security

HTTPS & header checks

70

Accessibility

1 issue(s) found

Score history

0 overall since Jul 22, 2026

Overall
68
SEO
70
Security
50
Performance
80
Accessibility
70

Organization

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

白泉社公式サイト。「花とゆめ」「LaLa」など少女マンガを中心にした、出版物の情報が満載！TVドラマ・アニメ化・映画化の情報やWeb限定情報もたくさん！

X (Twitter)

Meta tags

Title
白泉社
Description
白泉社公式サイト。「花とゆめ」「LaLa」など少女マンガを中心にした、出版物の情報が満載！TVドラマ・アニメ化・映画化の情報やWeb限定情報もたくさん！
Canonical
Language
ja
Charset
utf-8
Viewport
width=device-width, initial-scale=1
Robots meta
Manifest

OpenGraph & Twitter Card

OpenGraph

og:title
白泉社
og:description
白泉社公式サイト。「花とゆめ」「LaLa」など少女マンガを中心にした、出版物の情報が満載！TVドラマ・アニメ化・映画化の情報やWeb限定情報もたくさん！
og:type
website
og:url
https://www.hakusensha.co.jp/

Twitter Card

twitter:card
summary_large_image
twitter:title
白泉社
twitter:description
白泉社公式サイト。「花とゆめ」「LaLa」など少女マンガを中心にした、出版物の情報が満載！TVドラマ・アニメ化・映画化の情報やWeb限定情報もたくさん！

Technologies

Detected frameworks, languages, and tools.

WordPressjQueryGoogle Analytics

Hosting & CDN

Hosting provider
—
CDN provider
Cloudflare
IP address
—
ASN
—

DNS records

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

TLS / SSL certificate

Version
TLS 1.3
Issuer
GlobalSign nv-sa
Subject
www.hakusensha.co.jp
Valid from
May 14, 2026
Valid to
Nov 29, 2026
Days until expiry
121
SAN domains
www.hakusensha.co.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 1 · H2 4 · H3 0

Links

74 internal · 28 external · 20 broken

Images

95 total · 61 missing alt

Scripts / Styles

21 scripts · 6 stylesheets

JS / CSS size

2.2 KB · 784 B

Page size

52.5 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

  • Over half of images are missing alt text

Scan details

Requested URL
https://hakusensha.co.jp
Final URL
https://www.hakusensha.co.jp/
HTTP status
200
HTTP version
HTTP/2
Response time
1.97 s
HTML size
52.5 KB
Redirect chain
https://hakusensha.co.jp → http://www.hakusensha.co.jp/ → https://www.hakusensha.co.jp/

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Frequently asked questions

What technology does hakusensha.co.jp use?
hakusensha.co.jp is built with WordPress, jQuery, Google Analytics.
Is hakusensha.co.jp secure (HTTPS)?
Yes. hakusensha.co.jp uses TLS 1.3 with a certificate issued by GlobalSign nv-sa, valid until Nov 29, 2026.
Who hosts hakusensha.co.jp?
Hosting provider information for hakusensha.co.jp is not available yet.
What is hakusensha.co.jp's SEO score?
hakusensha.co.jp scored 70/100 for SEO in the latest analysis (fair).
What is hakusensha.co.jp's overall website score?
hakusensha.co.jp has an overall SiteGraph score of 68/100, combining SEO, performance, security, and accessibility.
Has hakusensha.co.jp's score changed over time?
hakusensha.co.jp's overall score has stayed steady at 68/100 since Jul 22, 2026.