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kld-c.jp

https://kld-c.jp· First analyzed 04 Jun 2026· Updated 04 Jun 2026
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kld-c.jp
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Mobile

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Hosting Provider

Vercel
vercel.com

IP Address

76.76.21.21

Site Location

🇯🇵 Japanvia tld

Server Location

🇺🇸 Walnut, United States

ASN

AS16509

Organization

Vercel, Inc

Server

Vercel

Nameservers

ns-882.awsdns-46.net.ns-1096.awsdns-09.org.ns-1636.awsdns-12.co.uk.ns-213.awsdns-26.com.

Performance

91

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%
909 KB
248 requests
0–49
50–89
90–100

Architecture Stack

Hybrid
🔀 Hybrid
Frontend
Framework
Next.js
Infrastructure
Platform
Vercel

Technology Stack

10 Technologies Detected

Analytics

4
Google Analytics
Google Analytics 4
Facebook PixelMicrosoft Clarity

Meta Frameworks

1
Next.js

CSS Frameworks

1
Tailwind CSS

Fonts

1
Google Fonts

Tag Managers

1
Google Tag Manager

Payments

1
Square

Platforms

1
Vercel

SEO Analysis

D56/100
16
8
1
Meta Tags8/15
Content6/12
Headings3/8
Technical15/25
E-E-A-T0/7
Images4/7
Links5/5
URL5/5
Social3/5
Freshness0/4
Mobile4/4
Indexability3/3
K
kld-c.jpkld-c.jp

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Title Length16 chars

Recommended: 50-60 chars (~99px / 580px)

Description Length108 chars

Recommended: 120-160 chars

Issues (1)

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

9 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

1 URLs

1 sub-sitemaps

robots.txt

9 rules

Sitemap reference found

Local SEO

Local Search Readiness

6/100
Poor
2 13 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

F36/100
Bot Access
20/25
Machine Read.
7/25
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
navheader/footer
Text ratio:3%
Words:98
Token eff.:Too Short
Sections/1K:80
Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary
Descriptive Headingsavg 1.1w
Canonical URL
Open Graph3/3
Twitter Card0/3
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.
A
81/100
13
Passed
2
Critical
1
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
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
7/15
Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
3 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.
60/100
B
92 mg
CO₂e / view
909.3 KB
Page Weight
80%
Cleaner Than
New Visitor
105 mg
vs
Returning (cached)
53 mg
Annual (10K/mo)
11.0 kg
Emission Segments
Data Center
5 mg
Network
27 mg
Device
60 mg
Resource Breakdown
JavaScript
692.7 KB
Images
13.5 KB
CSS
22.0 KB
Fonts
178.0 KB
HTML
1.6 KB
Other
1.5 KB
Green Hosting Verified
Vercel
Provider Match
5 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

0%Critical
Critical / Transactional

HTTPS

No WAF

47d

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

22.04.2026

Valid Until

21.07.2026

Subject Alternative Names (1)

kld-c.jp

SHA-256 Fingerprint

70:DB:92:94:66:5D:A3:02:16:5A:F3:F2:6C:81:53:DD:9C:F0:CD:45...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

access-control-allow-origin
*
age
98525
cache-control
🟡 0s(public, max-age=0, must-revalidate)
content-disposition
inline
content-encoding
⚡ Brotli(br)
content-type
text/html; charset=utf-8
Good Warning Issue

Email Infrastructure

Google Workspace

Score

95

SPF
DKIM
DMARC

DMARC Policy

Reject (Strictest)

MX Records (5)

alt3.aspmx.l.google.com
alt4.aspmx.l.google.com
aspmx.l.google.com
alt2.aspmx.l.google.com

+1 more

Domain Information

kld-c.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.
C
64/100
Mobile Friendly7 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
initial-scale=1, width=device-width
2 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Noto Sans JP + Gothic Medium BBB JIS2004 AP

WCAG Partial
73/100
Readability
/30
23/30

16px · LH 1.50

Hierarchy
/20
19/20

2x ratio · ✓ H1→H6

WCAG
/25
15/25

1:1 min contrast

Performance
/25
16/25

3 fonts · 3 req

Heading Font

Noto Sans JP

Sans32px

Body Font

Gothic Medium BBB JIS2004 AP

Sans16px

Contrast Ratio

1:1

32 issues

Reading Comfort

Dual Sans-Serif

left aligned
32px
h1
56px
h2
16px
p
Major Sixth
Scale

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

✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

❌ Very complex text: Flesch score 10/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 32 elements below WCAG AA threshold (min 1.0:1).

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

✅ Strong hierarchy: Headlines are 2.0x larger than body text.

GGoogle FontsFluid TypeFlesch 10

Color Palette

7 unique colors
Light
#babfbb
Other· 41.3%
#292e3f
Secondary· 6.1%
#202986
Primary· 0%
#e0e8ba
Secondary· 3.7%
#666d7e
Secondary· 3.3%

Business & Marketing Stack

5 Tools Detected

Advanced

Behavior Analytics

4
Google Tag ManagerFree
Google AnalyticsFree
Microsoft ClarityFree
MixpanelMid-Market

User behavior and product analytics

Advertising

1
Facebook PixelMid-Market

Ad platforms and retargeting pixels

2

Categories

5

Total Tools

0

Enterprise

2

Mid-Market

Assessment: Well-developed marketing technology stack

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Scripts & Styles

23 Resources

20
Scripts
3
Styles
9
Async
10
Defer

Top Script Sources

local(10)googletagmanager.com(3)cdn.mxpnl.com(2)connect.facebook.net(2)scripts.clarity.ms(1)

Website Identity

kld-c.jp

Location detected: 🇯🇵 Japanvia tld
📧 Google Workspaceja

Social Profiles

X (Twitter)Instagram

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Last analyzed: 04 Jun 2026 at 10:18

Historical Analysis & Change Tracking