shueisha.online

https://shueisha.online· First analyzed 11 May 2026· Updated 11 May 2026

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shueisha.online

Mobile

Sponsored

Hosting Provider

Internet Initiative Japan Inc.

IP Address

163.49.35.188

Site Location

🇯🇵 千代田区, Japanvia schema_nap

Server Location

🇯🇵 Tsu, Japan

ASN

AS2497

Organization

Internet Initiative Japan Inc.

CDN

Nameservers

ns-1295.awsdns-33.org.ns-2016.awsdns-60.co.uk.ns-326.awsdns-40.com.ns-948.awsdns-54.net.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.4 s10%

Speed Index

1.8 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

547 KB

135 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPress

cms

shueishaCustom

Technology Stack

10 Technologies Detected

Advertising

Google Ads Twitter Ads Criteo Outbrain

Analytics

Libraries

CSS Frameworks

Fonts

Tag Managers

SEO Analysis

B70/100

Meta Tags5/15

Content8/12

Headings3/8

Technical21/25

E-E-A-T3/7

Images6/7

Links5/5

URL5/5

Social5/5

Freshness2/4

Mobile4/4

Indexability3/3

shueisha.onlineshueisha.online

集英社オンライン | ニュースを本気で噛み砕け

社会も事件もエンタメも。本気の“知りたい”に応える、わかりやすくて使えるウェブニュースメディア

Title Length23 chars

Recommended: 50-60 chars (~140px / 580px)

Description Length47 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag — every page should have exactly one H1

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

5 URLs

5 sub-sitemaps

robots.txt

3 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

18/100

Poor

5 14 1

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D45/100

Bot Access

20/25

Machine Read.

12/25

Schema Data

1/25

Citation

12/25

AI Bot Access

14/14 accessible

AI Search

OAI-SearchBot

PerplexityBot

Claude-SearchBot

Gemini-Deep-Research

DuckAssistBot

Training

GPTBot

ClaudeBot

Google-Extended

Meta-ExternalAgent

Bytespiderinfo

Amazonbot

Applebot-Extended

CCBotinfo

Fetch

ChatGPT-User

Machine Readability

llms.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

Text ratio:4%

Words:656

Token eff.:Optimal

Sections/1K:3

Structured Data

2 JSON-LD

sameAs entity links

Citation Readiness

Opening Summary

Descriptive Headingsavg 1w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (8)

AI readiness recommendation preview...

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Sponsored

Accessibility

WCAG 2.1 Compliance

Evaluates how accessible your website is for users with disabilities, based on WCAG 2.1 guidelines. Checks images, forms, keyboard navigation, ARIA roles, and color contrast.

69/100

Passed

Critical

Warnings

Images & Alt Text

15/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

20/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

10/15

Verifies form fields have labels, error messages are clear, and inputs are properly associated.

Color & Contrast

15/15

Tests text-to-background color contrast ratios against WCAG AA/AAA minimum requirements.

Keyboard & Focus

9/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

0/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

4 recommendations

•Accessibility recommendation preview...

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Carbon Footprint

SWDM v4 · Eco-Score

Carbon emissions estimated using the Sustainable Web Design Model v4 (SWDM v4). Factors in data center, network, and device energy across new and returning visitors. Grade thresholds based on HTTP Archive percentiles.

57/100

68 mg

CO₂e / view

546.7 KB

Page Weight

80%

Cleaner Than

New Visitor

77 mg

Returning (cached)

39 mg

Annual (10K/mo)

8.1 kg

Emission Segments

Data Center

15 mg

Network

16 mg

Device

36 mg

Resource Breakdown

JavaScript

453.9 KB

Images

1.0 KB

Fonts

696 B

HTML

30.3 KB

Other

60.8 KB

Green Hosting Not Verified

Internet Initiative Japan Inc.

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

15%Critical

Critical / Transactional

HTTPS

No WAF

142d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Japan Registry Services Co., Ltd.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

17.09.2025

Valid Until

30.09.2026

OCSP Stapling

Enabled

Subject Alternative Names (1)

shueisha.online

SHA-256 Fingerprint

5A:A4:A3:E1:9C:9C:6C:62:1B:7B:33:E1:4A:41:26:4C:4A:41:0A:0A...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🟡 0s(max-age=0, private, must-revalidate)

content-encoding

📦 Gzip(gzip)

content-length

30750

content-type

text/html; charset=utf-8

date

Mon, 11 May 2026 05:07:38 GMT

Good Warning Issue

Email Infrastructure

Amazon SES

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

inbound-smtp.us-east-1.amazonaws.com

Domain Information

shueisha.online

Domain Age

5y 1m

Created

30.03.2021

Expires

30.03.2027

Last Updated

30.03.2026

Registrar

GMO Internet Group, Inc. d/b/a Onamae.com

DNSSEC

Not Enabled

Privacy & Compliance

OneTrust

Cookie Consent Banner

OneTrust

GDPR Indicators

Cookie consent banner detected

CMP: OneTrust

Mobile Compatibility

Viewport & Responsive Test

Tests how well your website works on mobile devices. Checks viewport configuration, responsive layout, touch targets, font readability, and simulates rendering across different screen sizes.

73/100

Mobile Friendly1 breakpoint

Viewport Meta

The viewport meta tag tells mobile browsers how to scale the page. Without it, mobile devices render at desktop width.

Responsive Design

Uses CSS media queries or flexible layouts to adapt content to different screen sizes automatically.

Touch Icons

Apple touch icons and favicons displayed when users add the site to their home screen on mobile devices.

Readable Font Size

Base font size should be at least 16px on mobile to ensure text is readable without zooming.

Relative Units

Using em, rem, %, or vw instead of fixed px values allows content to scale properly across screen sizes.

No H-Scroll Risk

No elements wider than the viewport that would cause horizontal scrolling on mobile devices.

Tap Targets OK

Interactive elements (buttons, links) are at least 48x48px with enough spacing to prevent accidental taps.

No Fixed Widths

No elements with fixed pixel widths that could overflow on smaller screens and break the layout.

Viewport

width=device-width,initial-scale=1

1 recommendation

•Mobile compatibility recommendation preview...

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Typography & Readability

Arial

WCAG Partial

67/100

Readability

/30

9/30

13px · LH 2.00

Hierarchy

/20

20/20

2.77x ratio · ✓ H1→H6

WCAG

/25

16/25

1.38:1 min contrast

Performance

/25

22/25

System fonts

Heading Font

Arial

Sans36px

Body Font

Arial

Sans13px

Contrast Ratio

1.38:1

16 issues

Reading Comfort

~34 CPL

Narrow lines

36px

24px

13px

❌ Critical: 13px body text is too small. Minimum 14px, recommend 16px+.

⚠️ Wide line spacing (2.00). 1.4–1.6 is optimal for body text.

⚠️ Partial contrast: 16 elements below WCAG AA threshold (min 1.4:1).

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

✅ Strong hierarchy: Headlines are 2.8x larger than body text.

✅ System fonts: Zero font loading delay — best possible LCP impact.

GGoogle Fonts

Color Palette

7 unique colors

18.57:1 AAA Light

#ffffff

Background· 54.8%

#131314

Primary· 11.8%

#763e3a

Secondary· 5.3%

Business & Marketing Stack

5 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Twitter/X AdsMid-Market

OutbrainMid-Market

Ad platforms and retargeting pixels

Privacy & Cookies

OneTrustEnterprise

Cookie consent and privacy compliance tools

Sponsored

Scripts & Styles

22 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(6)shuon.ismcdn.jp(4)macro.adnami.io(1)cdn.treasuredata.com(1)google-analytics.com(1)

Website Identity

集英社オンライン

NewsMediaOrganization

社会も事件もエンタメも。本気の“知りたい”に応える、わかりやすくて使えるウェブニュースメディア

shueisha.online/

5 years old

一ツ橋2-5-10, 千代田区

101-8050, 千代田区, 東京都

Location detected: 🇯🇵 Japan, 千代田区via schema_nap

GMO Internet Group, Inc. d/b/a Onamae.com📧 Amazon SESjaEst. 2022

Social Profiles

Facebook X (Twitter)YouTube

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Last analyzed: 11 May 2026 at 05:09

Historical Analysis & Change Tracking