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jcca-office.gr.jp

https://jcca-office.gr.jp· First analyzed 29 May 2026· Updated 29 May 2026
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jcca-office.gr.jp
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Mobile

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Hosting Provider

SAKURA

IP Address

59.106.27.151

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Chiyoda City, Japan

ASN

AS9370

Organization

SAKURA

Server

Nginx

Nameservers

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

Performance

84

Core Web Vitals

Weight

First Contentful Paint
1.9 s10%
Speed Index
2.4 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
1.3 MB
43 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPressv5.5.18
cms
日本クレジットカード協会Custom

Technology Stack

9 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

Libraries

1
jQueryv1.12.4

UI Components

1
Slick Carousel

CSS Frameworks

1
Tailwind CSS

Icon Libraries

1
Font Awesome

Web Servers

1
Nginx

Languages

1
PHPv7.4.33

Plugins

1
Add To Any

SEO Analysis

D50/100
13
10
2
Meta Tags4/15
Content7/12
Headings3/8
Technical15/25
E-E-A-T0/7
Images2/7
Links2/5
URL5/5
Social3/5
Freshness2/4
Mobile4/4
Indexability3/3
J
jcca-office.gr.jpjcca-office.gr.jp

日本クレジットカード協会

No description available for this page.

Title Length12 chars

Recommended: 50-60 chars (~74px / 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

12 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

5 URLs

5 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

Local SEO

Local Search Readiness

3/100
Poor
1 14 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

F33/100
Bot Access
20/25
Machine Read.
7/25
Schema Data
0/25
Citation
6/25

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
navheader/footer
Text ratio:8%
Words:137
Token eff.:Too Short
Sections/1K:21.9
Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary
Descriptive Headingsavg 1.7w
Canonical URL
Open Graph1/3
Twitter Card1/3
Language Tag
Publish Date
Author Info
Lists
Tables
TL;DR / Summary
About Page Link
Recommendations (9)
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.
B
79/100
11
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
20/20
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
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.
1 recommendation
  • •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.
26/100
C
165 mg
CO₂e / view
1.3 MB
Page Weight
70%
Cleaner Than
New Visitor
189 mg
vs
Returning (cached)
94 mg
Annual (10K/mo)
19.8 kg
Emission Segments
Data Center
37 mg
Network
40 mg
Device
89 mg
Resource Breakdown
JavaScript
186.4 KB
Images
991.3 KB
CSS
133.0 KB
HTML
24.6 KB
Green Hosting Not Verified
SAKURA
7 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
B

Security Score

71%Good
Static / Informational

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

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

02.05.2026

Valid Until

31.07.2026

Subject Alternative Names (2)

jcca-office.gr.jpwww.jcca-office.gr.jp

SHA-256 Fingerprint

4E:AE:78:40:64:27:43:D3:B3:83:5E:DD:0A:DB:48:C3:04:7E:44:C3...

Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

content-type
text/html; charset=UTF-8
date
Fri, 29 May 2026 23:07:23 GMT
link
<https://www.jcca-office.gr.jp/wp-json/>; rel="https://api.w...
server
nginx
x-powered-by
PHP/7.4.33
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

45

SPF
DKIM
DMARC

MX Records (3)

mx-1.aams5.jp
mx.aams5.jp
mx-0.aams5.jp

Domain Information

jcca-office.gr.jp

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

GDPR Indicators

Privacy policy page linked

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.
D
57/100
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
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

YuGothic

WCAG AAA
60/100
Readability
/30
18/30

16px · LH 2.00

Hierarchy
/20
6/20

0.75x ratio

WCAG
/25
20/25

12.26:1 min contrast

Performance
/25
16/25

1 font

Heading Font

YuGothic

Sans12px

Body Font

YuGothic

Sans16px

Contrast Ratio

12.26:1

WCAG AAA (≥7:1)

Reading Comfort

~40 CPL

Narrow lines
12px
h1
16px
h2
48px
h3
16px
p

✅ Excellent readability: 16px body text is ideal for all devices.

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

✅ WCAG AAA contrast: All text meets 7:1 ratio (min 12.3:1).

❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

⚠️ Weak hierarchy: Headlines should be ≥2x body size for clear visual structure.

❌ Pure vw font sizes: Viewport units alone break browser zoom (WCAG 1.4.4 fail). Use clamp(rem, vw, rem).

Buy on MyFonts

Color Palette

12 unique colors
Light
#ffffff
Background· 27.1%
#cfd5e1
Primary· 18.1%
#b2c719
Accent· 14.8%
#5abefb
Accent· 10.4%
#dae3f1
Secondary· 7.7%
#b9ceea
Accent· 7%
#385b5b
Secondary· 6.6%
#dae461
Accent· 3.1%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

21 Resources

16
Scripts
5
Styles
5
Async
0
Defer

Top Script Sources

jcca-office.gr.jp(7)static.addtoany.com(3)googletagmanager.com(2)google-analytics.com(1)ajax.googleapis.com(1)

Website Identity

jcca-office.gr.jp

Location detected: 🇯🇵 Japanvia tld
ja

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Last analyzed: 29 May 2026 at 23:07

Historical Analysis & Change Tracking