nagasaki-museum.jp

https://nagasaki-museum.jp· First analyzed 29 May 2026· Updated 29 May 2026

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nagasaki-museum.jp

Mobile

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Hosting Provider

SAKURA

IP Address

112.78.125.89

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Osaka, Japan

ASN

AS9371

Organization

SAKURA

Server

Nginx

Nameservers

ns2.dns.ne.jp.ns1.dns.ne.jp.

Performance

Core Web Vitals

Weight

First Contentful Paint

4.4 s10%

Speed Index

5.7 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

6.7 MB

85 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.0

cms

nagasaki_kenbi_2ndCustom

Technology Stack

18 Technologies Detected

Plugins

Contact Form 7

Contact Form 7 Multi Step Module Premium

Events Manager Vk Blocks Ml Slider Page Links To

Libraries

CSS Frameworks

Analytics

Other

UI Components

Icon Libraries

Payments

Web Servers

SEO Analysis

D57/100

Meta Tags4/15

Content11/12

Headings3/8

Technical19/25

E-E-A-T0/7

Images4/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile3/4

Indexability3/3

nagasaki-museum.jpnagasaki-museum.jp

長崎県美術館

No description available for this page.

Title Length6 chars

Recommended: 50-60 chars (~37px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (2)

• Missing meta description — important for click-through rates in SERPs
• Missing H1 tag — every page should have exactly one H1

11 issues found

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Crawlability

Sitemap

Type: index

27 URLs

27 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Local SEO

Local Search Readiness

15/100

Poor

4 12 2

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

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AI & LLM Readiness

F38/100

Bot Access

20/25

Machine Read.

13/25

Schema Data

0/25

Citation

5/25

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

nav

Text ratio:4%

Words:1,059

Token eff.:Optimal

Sections/1K:4.7

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headingsavg 1.1w

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (10)

AI readiness recommendation preview...

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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.

77/100

Passed

Critical

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

7/15

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

6/15

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

2 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.

9/100

844 mg

CO₂e / view

6.7 MB

Page Weight

Cleaner Than

New Visitor

965 mg

Returning (cached)

482 mg

Annual (10K/mo)

101.3 kg

Emission Segments

Data Center

189 mg

Network

203 mg

Device

453 mg

Resource Breakdown

JavaScript

1.2 MB

Images

4.6 MB

CSS

718.5 KB

HTML

185.6 KB

Green Hosting Not Verified

SAKURA

10 recommendations

•Carbon footprint recommendation preview...

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Security Score

0%Critical

Critical / Transactional

HTTPS

No WAF

54d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

23.04.2026

Valid Until

22.07.2026

Subject Alternative Names (2)

nagasaki-museum.jpwww.nagasaki-museum.jp

SHA-256 Fingerprint

21:6C:77:B5:23:E1:6B:97:B2:63:96:56:6D:17:3D:CD:01:23:CE:6C...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-type

text/html; charset=UTF-8

date

Fri, 29 May 2026 11:52:28 GMT

link

<https://www.nagasaki-museum.jp/wp-json/>; rel="https://api....

server

nginx

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

mail.nagasaki-museum.jp

Domain Information

nagasaki-museum.jp

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

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.

78/100

Mobile Friendly5 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, viewport-fit=cover

1 recommendation

•Mobile compatibility recommendation preview...

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Typography & Readability

あおとゴシック L

WCAG Partial

58/100

Readability

/30

15/30

15px · LH --

Hierarchy

/20

12/20

2.13x ratio · ✓ H1→H6

WCAG

/25

16/25

3.99:1 min contrast

Performance

/25

15/25

1 font · 1 req

Heading Font

あおとゴシック L

Sans32px

Body Font

あおとゴシック L

Sans15px

Contrast Ratio

3.99:1

1 issue

Reading Comfort

~42 CPL

Narrow lines

32px

24px

15px

⚠️ Small text: 15px may strain on mobile. Use ≥16px for WCAG compliance.

⚠️ Partial contrast: 1 elements below WCAG AA threshold (min 4.0:1).

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

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

⚠️ Text justify detected: Justified text creates uneven word spacing, hurting readability on web.

✅ Lean font stack: 1 font families keeps load times fast.

Buy on MyFonts

Color Palette

3 unique colors

5.37:1 AA Light

#ffffff

Background· 93.00000000000001%

#616c75

Secondary· 3.7%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

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Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

nagasaki-museum.jp(18)googletagmanager.com(1)typesquare.com(1)

Website Identity

nagasaki-museum.jp

長崎県長崎市出島町２番１号TEL：095-833-2110FAX：095-833-2115お問い合わせ

Location detected: 🇯🇵 Japanvia tld

Social Profiles

X (Twitter)Instagram YouTube

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Last analyzed: 29 May 2026 at 11:53

Historical Analysis & Change Tracking