Back to Search
ikubunkan.ed.jp favicon

ikubunkan.ed.jp

https://ikubunkan.ed.jp· First analyzed 04 Jun 2026· Updated 04 Jun 2026
Export
ikubunkan.ed.jp
Desktop screenshot of ikubunkan.ed.jp
Mobile screenshot of ikubunkan.ed.jp
Mobile

Sponsored

Hosting Provider

BETINC

IP Address

202.210.8.21

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Chiyoda City, Japan

ASN

AS131965

Organization

BETINC

Server

Nginx

Nameservers

02.dnsv.jp.03.dnsv.jp.04.dnsv.jp.01.dnsv.jp.

Performance

98

Core Web Vitals

Weight

First Contentful Paint
879 ms10%
Speed Index
1.1 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
5.8 MB
154 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms

Technology Stack

8 Technologies Detected

Analytics

4
Google Analytics
Google Analytics 4
Facebook PixelSegment

UI Components

1
Swiper

CSS Frameworks

1
Tailwind CSS

Tag Managers

1
Google Tag Manager

Web Servers

1
Nginx

SEO Analysis

D59/100
17
10
2
Meta Tags10/15
Content10/12
Headings3/8
Technical15/25
E-E-A-T0/7
Images3/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile1/4
Indexability3/3
I
ikubunkan.ed.jpikubunkan.ed.jp

郁文館夢学園 郁文館中学校・郁文館高等学校・郁文館グローバル高等学校

夢教育を理念に掲げる学校法人郁文館夢学園オフィシャルサイト。郁文館中学校、郁文館高等学校、郁文館グローバル高等学校の各種情報を掲載しています。

Title Length34 chars

Recommended: 50-60 chars (~210px / 580px)

Description Length71 chars

Recommended: 120-160 chars

Issues (2)

  • • Missing H1 tag — every page should have exactly one H1
  • • Most images missing alt text (46/78) — critical for accessibility and SEO

12 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

18 URLs

18 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Local SEO

Local Search Readiness

16/100
Poor
5 10 2

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

Sponsored

AI & LLM Readiness

D42/100
Bot Access
20/25
Machine Read.
13/25
Schema Data
0/25
Citation
9/25

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
blockquotesheader/footer
Text ratio:5%
Words:390
Token eff.:Optimal
Sections/1K:15.4
Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary
Descriptive Headingsavg 2.4w
Canonical URL
Open Graph3/3
Twitter Card1/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (10)
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.
A
88/100
14
Passed
2
Critical
1
Warnings
Images & Alt Text
20/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
18/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
15/15
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
11/15
Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
ARIA & Roles
9/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
1 recommendation
  • •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.
21/100
F
740 mg
CO₂e / view
5.8 MB
Page Weight
5%
Cleaner Than
New Visitor
846 mg
vs
Returning (cached)
423 mg
Annual (10K/mo)
88.8 kg
Emission Segments
Data Center
165 mg
Network
178 mg
Device
397 mg
Resource Breakdown
JavaScript
46.8 KB
Images
5.6 MB
CSS
158.3 KB
HTML
12.6 KB
Other
15.5 KB
Green Hosting Not Verified
BETINC
8 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

21%Critical
Interactive

HTTPS

No WAF

62d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

07.05.2026

Valid Until

05.08.2026

Subject Alternative Names (2)

ikubunkan.ed.jpwww.ikubunkan.ed.jp

SHA-256 Fingerprint

E1:38:E5:D2:54:86:19:84:C2:5B:60:D6:3B:00:8D:88:71:8E:5D:97...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations
Upgrade to view header details

HTTP Headers

Developer Console

content-encoding
⚡ Brotli(br)
content-type
text/html; charset=UTF-8
date
Thu, 04 Jun 2026 10:17:38 GMT
server
nginx
vary
Accept-Encoding
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

65

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

mail.ikubunkan.ed.jp

Domain Information

ikubunkan.ed.jp

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

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.
C
63/100
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=1.0
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

游ゴシック体

WCAG Partial
54/100
Readability
/30
8/30

13px · LH 2.00

Hierarchy
/20
14/20

2.15x ratio

WCAG
/25
17/25

1.86:1 min contrast

Performance
/25
15/25

1 font · 1 req

Heading Font

游ゴシック体

Sans28px

Body Font

游ゴシック体

Sans13px

Contrast Ratio

1.86:1

19 issues

Reading Comfort

~39 CPL

Narrow lines
28px
h1
30px
h2
13px
p
Minor Second
Scale

❌ 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.

❌ Very complex text: Flesch score 29/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 19 elements below WCAG AA threshold (min 1.9:1).

⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

✅ Strong hierarchy: Headlines are 2.1x larger than body text.

Buy on MyFontsFluid Type (rem)Flesch 29

Color Palette

15 unique colors
Light
#ffffff
Text· 13.200000000000001%
#d58cc2
Primary· 9.9%
#d38174
Accent· 8.2%
#c25b65
Secondary· 7.4%
#a4b18c
Secondary· 6.4%
#355791
Secondary· 6.2%
#b92741
Accent· 6%
#5fb0b2
Secondary· 6%

Business & Marketing Stack

4 Tools Detected

Advanced

Behavior Analytics

2
Google Tag ManagerFree
Google AnalyticsFree

User behavior and product analytics

Advertising

1
Facebook PixelMid-Market

Ad platforms and retargeting pixels

Social Media

1
Facebook SDKFree

Social widgets and sharing tools

3

Categories

4

Total Tools

0

Enterprise

1

Mid-Market

Assessment: Well-developed marketing technology stack

Sponsored

Scripts & Styles

26 Resources

20
Scripts
6
Styles
15
Async
1
Defer

Top Script Sources

googletagmanager.com(7)google-analytics.com(3)youtube.com(2)cse.google.com(2)s.yimg.jp(2)

Website Identity

ikubunkan.ed.jp

0338282206
Location detected: 🇯🇵 Japanvia tld
ja

Social Profiles

FacebookYouTube

Sponsored

Last analyzed: 04 Jun 2026 at 10:18

Historical Analysis & Change Tracking