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SGSiteGraph

hakusensha.co.jp

白泉社

Last scanned Jul 22, 2026, 8:11 PM

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 hosted on Cloudflare behind Cloudflare CDN. SEO is good (80/100) and accessibility is fair (70/100). Security scores fair (50/100) and performance fair (70/100). 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！

United States
Hosted on Cloudflare

Top issues to fix

7 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.

  • Sluggish estimated load (3.1s)

    Performance

    Target under 3 seconds: enable compression and serve static assets from a CDN.

+1 more issue — details in the sections below.

80

SEO

3 issue(s) found

70

Performance

3.08 s

50

Security

HTTPS & header checks

70

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.

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)

Contact

Email, phone, and address published on this site's own pages.

Source: https://www.hakusensha.co.jp/contact/

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
Cloudflare
CDN provider
Cloudflare
IP address
104.20.27.110
ASN
AS13335 (CLOUDFLARENET - Cloudflare, Inc., US)

DNS records

TypeValue
A
  • 104.20.27.110
  • 172.66.175.196
AAAA
  • 2606:4700:10::ac42:afc4
  • 2606:4700:10::6814:1b6e
MX—
TXT—
NS—
CAA—
CNAME
  • www.hakusensha.co.jp.cdn.cloudflare.net
IPv6 supportYes

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
129
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 · 2 broken

Images

95 total · 61 missing alt

Scripts / Styles

21 scripts · 6 stylesheets

JS / CSS size

306 KB · 116 KB

Page size

52.6 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
1
sitemap.xml
Found
URLs in sitemap
1000

SEO issues

  • Meta description longer than 160 characters
  • Missing canonical link
  • No structured data (JSON-LD) 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
3.08 s
HTML size
52.6 KB
Redirect chain
https://hakusensha.co.jp → http://www.hakusensha.co.jp/ → https://www.hakusensha.co.jp/

See something wrong on this report? Request a correction

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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?
hakusensha.co.jp is hosted on Cloudflare, behind Cloudflare CDN.
What is hakusensha.co.jp's SEO score?
hakusensha.co.jp scored 80/100 for SEO in the latest analysis (great).
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.