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sundaytc.co.jp

https://sundaytc.co.jp· First analyzed 03 Jun 2026· Updated 03 Jun 2026
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sundaytc.co.jp
Desktop screenshot of sundaytc.co.jp
Mobile screenshot of sundaytc.co.jp
Mobile

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Hosting Provider

IDCFNet

IP Address

210.140.154.123

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Chiyoda City, Japan

ASN

AS4694

Organization

IDCFNet

Server

Apache

Nameservers

ns6-tk02.ocn.ad.jp.ns6-tk01.ocn.ad.jp.

Performance

83

Core Web Vitals

Weight

First Contentful Paint
1.9 s10%
Speed Index
2.5 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
13.9 MB
63 requests

Image Optimization

Lazy Load
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms
sundaytcv1.0.0Custom
by Version: 1.0.0

Progressive Web App

Web ManifestApple Touch Icon

Technology Stack

6 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

UI Components

1
Swiper

CSS Frameworks

1
Tailwind CSS

Fonts

1
Google Fonts

Web Servers

1
Apache

SEO Analysis

A81/100
24
5
1
Meta Tags11/15
Content12/12
Headings3/8
Technical24/25
E-E-A-T2/7
Images3/7
Links5/5
URL5/5
Social5/5
Freshness4/4
Mobile4/4
Indexability3/3
S
sundaytc.co.jpsundaytc.co.jp

Sunday Thoroughbred Club サンデーサラブレッドクラブ

サンデーサラブレッドクラブは、数多くのダービー馬を輩出してきたノーザンファームの生産馬を中心に提供する国内有数のサラブレッドクラブです。 毎年のようにクラシック戦線を賑わせるスターホースを送り出すなど、輝かしい実績を誇っています。

Title Length38 chars

Recommended: 50-60 chars (~233px / 580px)

Description Length115 chars

Recommended: 120-160 chars

Issues (1)

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

6 issues found

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Crawlability

Sitemap

Type: index

5 URLs

5 sub-sitemaps

robots.txt

5 rules

Sitemap reference found

Local SEO

Local Search Readiness

17/100
Poor
5 12

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

D55/100
Bot Access
20/25
Machine Read.
16/25
Schema Data
6/25
Citation
13/25

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.txtinvalid
llms-full.txt
Semantic HTML
Heading Hierarchy
def. lists
Text ratio:4%
Words:789
Token eff.:Optimal
Sections/1K:71
Depth:1/5

Structured Data

4 JSON-LD
Organization×1.1WebSiteBreadcrumbList

Citation Readiness

Opening Summary
Descriptive Headingsavg 1.2w
Canonical URL
Open Graph3/3
Twitter Card3/3
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
78/100
13
Passed
1
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
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
9/15
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.
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.
17/100
F
1.76 g
CO₂e / view
13.9 MB
Page Weight
5%
Cleaner Than
New Visitor
2.01 g
vs
Returning (cached)
1.01 g
Annual (10K/mo)
211.2 kg
Emission Segments
Data Center
393 mg
Network
422 mg
Device
944 mg
Resource Breakdown
JavaScript
399.2 KB
Images
13.0 MB
CSS
409.0 KB
HTML
74.6 KB
Green Hosting Not Verified
IDCFNet
8 recommendations
  • •Carbon footprint recommendation preview...
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F

Security Score

0%Critical
Critical / Transactional

HTTPS

No WAF

257d

Certificate Details

Type

Extended Validation (EV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

15.01.2026

Valid Until

16.02.2027

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.sundaytc.co.jpsundaytc.co.jp

SHA-256 Fingerprint

43:5B:E0:8F:7E:36:AD:59:0A:93:4C:65:CB:F5:DF:89:ED:D7:5A:1B...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control
🔴 No Cache(no-store, no-cache, must-revalidate)
connection
Keep-Alive
content-type
text/html; charset=UTF-8
date
Wed, 03 Jun 2026 16:29:48 GMT
expires
Thu, 19 Nov 1981 08:52:00 GMT
keep-alive
timeout=300, max=100
Good Warning Issue

Email Infrastructure

Google Workspace

Score

65

SPF
DKIM
DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

ASPMX.L.GOOGLE.COM
ALT3.ASPMX.L.GOOGLE.COM
ALT1.ASPMX.L.GOOGLE.COM
ALT2.ASPMX.L.GOOGLE.COM

+1 more

Domain Information

sundaytc.co.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
59/100
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, maximum-scale=1, user-scalable=0
2 recommendations
  • •Mobile compatibility recommendation preview...
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Typography & Readability

Noto Sans JP

WCAG Partial
53/100
Readability
/30
16/30

16px · LH 2.13

Hierarchy
/20
12/20

0.81x ratio · ✓ H1→H6

WCAG
/25
16/25

1.25:1 min contrast

Performance
/25
9/25

3 fonts · 4 req

Heading Font

Noto Sans JP

Sans13px

Body Font

Noto Sans JP

Sans16px

Contrast Ratio

1.25:1

25 issues

Reading Comfort

~44 CPL

Narrow lines
13px
h1
32px
h2
22px
h3
16px
p
Golden Ratio
Scale

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

⚠️ Wide line spacing (2.12). 1.4–1.6 is optimal for body text.

✅ Easy to read: Flesch score 100/100 — accessible to general audiences.

⚠️ Partial contrast: 25 elements below WCAG AA threshold (min 1.2:1).

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

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

Buy on MyFontsFlesch 100

Color Palette

10 unique colors
Dark
#5f6252
Secondary· 7.3%
#f4f3ef
Primary· 45.19999999999999%
#141511
Secondary· 7.7%
#78946c
Secondary· 7.6%
#b9bda5
Secondary· 6.7%
#c5d792
Secondary· 4.9%
#9f977c
Secondary· 4.9%
#293228
Secondary· 4.9%

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

17 Resources

10
Scripts
7
Styles
1
Async
7
Defer

Top Script Sources

sundaytc.co.jp(9)googletagmanager.com(1)

Website Identity

サンデーサラブレッドクラブ

Organization

サンデーサラブレッドクラブは、数多くのダービー馬を輩出してきたノーザンファームの生産馬を中心に提供する国内有数のサラブレッドクラブです。 毎年のようにクラシック戦線を賑わせるスターホースを送り出すなど、輝かしい実績を誇っています。

www.sundaytc.co.jp/
Location detected: 🇯🇵 Japanvia tld
📧 Google Workspaceja

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Last analyzed: 03 Jun 2026 at 16:30

Historical Analysis & Change Tracking