ichijo.co.jp

https://ichijo.co.jp· First analyzed 20 May 2026· Updated 20 May 2026

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ichijo.co.jp

Mobile

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

13.230.171.71

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Tokyo, Japan

ASN

AS16509

Organization

AWS EC2 (ap-northeast-1)

Server

Cloudflare

CDN

Cloudflare

WAF

Cloudflare

Nameservers

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

Performance

Core Web Vitals

Weight

First Contentful Paint

1.8 s10%

Speed Index

2.4 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

2.5 MB

197 requests

Image Optimization

Lazy LoadWebPResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Amazon Web Services (AWS)

CDN

Cloudflare

Technology Stack

15 Technologies Detected

Advertising

Twitter Ads Pinterest Tag TikTok Pixel Microsoft Advertising Criteo

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel Microsoft Clarity

Libraries

UI Components

CSS Frameworks

Fonts

Tag Managers

CDN

SEO Analysis

B76/100

Meta Tags14/15

Content11/12

Headings3/8

Technical22/25

E-E-A-T2/7

Images4/7

Links5/5

URL5/5

Social3/5

Freshness0/4

Mobile4/4

Indexability3/3

ichijo.co.jpichijo.co.jp

「家は、性能。」こだわりの家づくりなら一条工務店｜住宅メーカー（ハウスメーカー）

一条工務店【公式サイト】性能を追求する住宅メーカー、一条工務店です。省エネ10冠・創エネ5冠。累積約20万棟の建築実績。住宅商品紹介、展示場一覧や、耐震、耐久、省エネ、健康、全てに妥協しない高性能な住まいへのこだわりを支える一条のテクノロジー、家づくりの基礎知識をご紹介しています。

Title Length40 chars

Recommended: 50-60 chars (~248px / 580px)

Description Length141 chars

Recommended: 120-160 chars

Issues (1)

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

5 issues found

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Crawlability

Sitemap

Type: standard

1,748 URLs

robots.txt

2 rules

Local SEO

Local Search Readiness

7/100

Poor

2 14 1

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

Sponsored

AI & LLM Readiness

D46/100

Bot Access

20/25

Machine Read.

13/25

Schema Data

2/25

Citation

11/25

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

def. listsnav

Text ratio:4%

Words:883

Token eff.:Optimal

Sections/1K:7.9

Depth:2/5

Structured Data

1 JSON-LD

Organization×1.1

Citation Readiness

Opening Summary216w

Descriptive Headingsavg 1.2w

Canonical URL

Open Graph3/3

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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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.

74/100

Passed

Critical

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

10/15

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

5/15

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

4 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.

51/100

260 mg

CO₂e / view

2.5 MB

Page Weight

30%

Cleaner Than

New Visitor

297 mg

Returning (cached)

148 mg

Annual (10K/mo)

31.2 kg

Emission Segments

Data Center

13 mg

Network

76 mg

Device

171 mg

Resource Breakdown

JavaScript

380.9 KB

Images

1.3 MB

CSS

436.6 KB

Fonts

267.3 KB

HTML

18.4 KB

Other

109.8 KB

Green Hosting Verified

Amazon Web Services (AWS)

Provider Match

7 recommendations

•Carbon footprint recommendation preview...

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Security Score

26%Critical

Interactive

HTTPS

WAF

178d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

GlobalSign nv-sa

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

30.04.2026

Valid Until

15.11.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

www.ichijo.co.jpichijo.co.jp

SHA-256 Fingerprint

41:A2:D1:6C:85:00:F6:01:94:8A:2D:1A:7D:53:A4:88:10:30:1D:77...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

cf-cache-status

DYNAMIC

cf-ray🇫🇷 Paris

9fec0457cc89bb30-CDG

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=UTF-8

date

Wed, 20 May 2026 14:26:33 GMT

server

cloudflare

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mxa-00793601.gslb.pphosted.com

mxb-00793601.gslb.pphosted.com

Domain Information

ichijo.co.jp

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Data Protection Officer mentioned

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.

64/100

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

1 recommendation

•Mobile compatibility recommendation preview...

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Typography & Readability

YakuHanJP

WCAG Partial

68/100

Readability

/30

19/30

15px · LH --

Hierarchy

/20

14/20

1.07x ratio · ✓ H1→H6

WCAG

/25

15/25

1:1 min contrast

Performance

/25

20/25

2 fonts · 3 req

Heading Font

YakuHanJP

Sans16px

Body Font

YakuHanJP

Sans15px

Contrast Ratio

1:1

3 issues

Reading Comfort

~57 CPL

Optimal (45–75)

16px

55px

38px

15px

Octave

Scale

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

✅ Optimal line length: ~57 chars/line (ideal 45–75 CPL).

⚠️ Partial contrast: 3 elements below WCAG AA threshold (min 1.0:1).

✅ 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.

⚠️ Fluid type without rem: clamp() detected but missing rem units. May fail WCAG 1.4.4 zoom test.

GGoogle Fonts Buy on MyFontsFluid TypeFlesch 57

Color Palette

9 unique colors

3.93:1 AA Large Light

#b9bbb7

Other· 19.9%

#595254

Other· 6.6%

#f1f4f3

Primary· 20.8%

#9b8a73

Secondary· 7.3%

#b7a992

Secondary· 5.9%

#2f343d

Text· 5.5%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

TikTok PixelMid-Market

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

27 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(7)s.yimg.jp(6)analytics.tiktok.com(2)capi-automation.s3.us-east-2.amazonaws.com(1)dmp.im-apps.net(1)

Website Identity

ichijo.co.jp

Location detected: 🇯🇵 Japanvia tld

Social Profiles

Facebook X (Twitter)Instagram YouTube

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Last analyzed: 20 May 2026 at 14:27

Historical Analysis & Change Tracking