junkudo.co.jp

https://junkudo.co.jp· First analyzed 06 May 2026· Updated 06 May 2026

Export

junkudo.co.jp

Mobile

Sponsored

Hosting Provider

Cloudflare

cloudflare.com

IP Address

104.26.0.214

Site Location

🇯🇵 Japanvia tld

Server Location

🇨🇦 Toronto, Canada

ASN

AS13335

Organization

Cloudflare, Inc.

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

seamus.ns.cloudflare.com.hazel.ns.cloudflare.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

667 ms10%

Speed Index

867 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

4.2 MB

269 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Shopify

ecommerce

本番運用テーマCustom

Shopify Theme

Detected Apps

PageFlyFacebook Channel

Technology Stack

13 Technologies Detected

Analytics

Libraries

UI Components

Swiper Slick Carousel

CSS Frameworks

Icon Libraries

Tag Managers

CDN

Customer Support

Security

SEO Analysis

C61/100

Meta Tags14/15

Content3/12

Headings3/8

Technical16/25

E-E-A-T0/7

Images3/7

Links5/5

URL5/5

Social5/5

Freshness0/4

Mobile4/4

Indexability3/3

junkudo.co.jpjunkudo.co.jp

丸善ジュンク堂書店ネットストア | 書籍・漫画・写真集・文具の購入 - 書店員のおすすめや大賞などで新たな本との出会いを

豊富な書籍・漫画・写真集・文具をオンラインで購入(お取り寄せ・お取り置き)できます。最新のベストセラーから専門書まで幅広いジャンルを取り揃え。書店員が選ぶ大賞やおすすめ本など、新しい本との出会いをサポートいたします。

Title Length60 chars

Recommended: 50-60 chars (~369px / 580px)

Description Length108 chars

Recommended: 120-160 chars

Issues (3)

• Very thin content (5 words). Search engines need substantial content for ranking.
• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (197/229) — critical for accessibility and SEO

6 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

171 rules

Sitemap reference found

Local SEO

Local Search Readiness

7/100

Poor

2 14 2

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

Sponsored

AI & LLM Readiness

F34/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

0/25

Citation

7/25

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:1%

Words:2,673

Token eff.:Optimal

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headings

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (11)

AI readiness recommendation preview...

Upgrade to view recommendations

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.

75/100

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

5/15

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

15/15

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

ARIA & Roles

5/15

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

3 recommendations

•Accessibility recommendation preview...

Upgrade to view recommendations

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.

46/100

440 mg

CO₂e / view

4.2 MB

Page Weight

15%

Cleaner Than

New Visitor

502 mg

Returning (cached)

251 mg

Annual (10K/mo)

52.7 kg

Emission Segments

Data Center

22 mg

Network

129 mg

Device

289 mg

Resource Breakdown

JavaScript

1.2 MB

Images

2.8 MB

CSS

83.2 KB

Fonts

12.2 KB

HTML

93.1 KB

Other

96.2 KB

Green Hosting Verified

Cloudflare

GWF Verified

5 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

65%Fair

Critical / Transactional

HTTPS

WAF

65d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2+H3

Valid From

11.04.2026

Valid Until

10.07.2026

Subject Alternative Names (1)

www.maruzenjunkudo.co.jp

SHA-256 Fingerprint

7F:F3:04:16:EB:26:9F:94:DB:59:FD:5A:5A:BE:0D:C3:D0:64:3B:D5...

Upgrade to view header details

HTTP Headers

Developer Console

alt-svc

h3=":443"; ma=86400

cf-cache-status

DYNAMIC

cf-ray🇫🇷 Paris

9f779ae0cfd49a9e-CDG

content-encoding

⚡ Brotli(br)

content-language

ja-JP

content-length

94984

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (3)

route1.mx.cloudflare.net

route3.mx.cloudflare.net

route2.mx.cloudflare.net

Domain Information

junkudo.co.jp

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

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.

83/100

Mobile Friendly16 breakpoints

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...

Upgrade to view recommendations

Typography & Readability

Helvetica Neue

WCAG Partial

78/100

Readability

/30

20/30

14px · LH 1.60

Hierarchy

/20

18/20

2.86x ratio · ✓ H1→H6

WCAG

/25

18/25

2.33:1 min contrast

Performance

/25

22/25

System fonts

Heading Font

Helvetica Neue

Sans40px

Body Font

Helvetica Neue

Sans14px

Contrast Ratio

2.33:1

17 issues

Reading Comfort

~37 CPL

Narrow lines

40px

22px

15px

14px

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).

⚠️ Partial contrast: 17 elements below WCAG AA threshold (min 2.3:1).

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

✅ Strong hierarchy: Headlines are 2.9x larger than body text.

✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).

Fluid Type (rem)

Color Palette

7 unique colors

8.2:1 AAA Light

#ffffff

Background· 36.1%

#554d4f

Other· 6%

#efebdf

Background· 38.5%

#3bbecc

Primary· 8.8%

#c79872

Secondary· 5.1%

#d8cfb7

Secondary· 3%

#469da7

Secondary· 2.5%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

maruzenjunkudo.co.jp(7)googletagmanager.com(5)youtube.com(2)connect.facebook.net(2)documents-app.mixlogue.jp(1)

Website Identity

junkudo.co.jp

Location detected: 🇯🇵 Japanvia tld

Sponsored

Last analyzed: 06 May 2026 at 11:22

Historical Analysis & Change Tracking