ideco-koushiki.jp

https://ideco-koushiki.jp· First analyzed 17 May 2026· Updated 17 May 2026

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ideco-koushiki.jp

Mobile

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Hosting Provider

Fujitsu Limited

IP Address

111.64.95.177

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Chiyoda City, Japan

ASN

AS55374

Organization

Fujitsu Limited

Server

Apache

Nameservers

dns01.3hands.co.jp.dns02.3hands.co.jp.

Performance

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%

2.2 MB

82 requests

Image Optimization

Responsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Fujitsu Limited

Technology Stack

7 Technologies Detected

Analytics

Libraries

UI Components

CSS Frameworks

Tag Managers

Web Servers

SEO Analysis

D59/100

Meta Tags11/15

Content7/12

Headings3/8

Technical16/25

E-E-A-T0/7

Images4/7

Links5/5

URL5/5

Social0/5

Freshness2/4

Mobile3/4

Indexability3/3

ideco-koushiki.jpideco-koushiki.jp

iDeCo公式サイト｜iDeCo(イデコ・個人型確定拠出年金)【公式】

個人型確定拠出年金iDeCo（イデコ）の公式ホームページです。個人型確定拠出年金『iDeCo』は、公的年金にプラスして給付を受けられる私的年金です。個人型確定拠出年金iDeCo（イデコ）で、税制優遇を活かした資産形成をご検討ください。

Title Length35 chars

Recommended: 50-60 chars (~212px / 580px)

Description Length117 chars

Recommended: 120-160 chars

Issues (1)

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

9 issues found

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Crawlability

Sitemap

Type: standard

319 URLs

robots.txt

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.

Sponsored

AI & LLM Readiness

D41/100

Bot Access

20/25

Machine Read.

8/25

Schema Data

0/25

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.txt

llms-full.txt

Semantic HTML

Heading Hierarchy

def. listsnavheader/footer

Text ratio:3%

Words:123

Token eff.:Too Short

Sections/1K:40.7

Depth:3/5

Structured Data

No Schema

Citation Readiness

Opening Summary134w

Descriptive Headingsavg 1w

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (8)

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.

86/100

Passed

Critical

Warnings

Images & Alt Text

20/20

Checks if images have descriptive alt text for screen readers and visually impaired users.

Semantic Structure

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

7/15

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.

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.

19/100

280 mg

CO₂e / view

2.2 MB

Page Weight

50%

Cleaner Than

New Visitor

320 mg

Returning (cached)

160 mg

Annual (10K/mo)

33.6 kg

Emission Segments

Data Center

63 mg

Network

67 mg

Device

150 mg

Resource Breakdown

JavaScript

286.4 KB

Images

978.3 KB

CSS

952.3 KB

HTML

36.6 KB

Other

10.8 KB

Green Hosting Not Verified

Fujitsu Limited

6 recommendations

•Carbon footprint recommendation preview...

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Security Score

56%Poor

Interactive

HTTPS

No WAF

60d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

24.06.2025

Valid Until

16.07.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.ideco-koushiki.jpideco-koushiki.jp

SHA-256 Fingerprint

37:26:1C:83:08:A8:A8:7B:9B:84:38:1B:55:3A:A7:8D:BD:62:EC:39...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

connection

Keep-Alive

content-length

37184

content-type

text/html; charset=UTF-8

date

Sun, 17 May 2026 04:24:35 GMT

etag

"9140-64e482f461d80"

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

ideco-koushiki.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.

55/100

Mobile Friendly4 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=1020

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Hiragino Kaku Gothic Pro

WCAG Partial

67/100

Readability

/30

22/30

16px · LH 1.75

Hierarchy

/20

13/20

1x ratio · ✓ H1→H6

WCAG

/25

16/25

2.81:1 min contrast

Performance

/25

16/25

1 font

Heading Font

Hiragino Kaku Gothic Pro

Sans16px

Body Font

Hiragino Kaku Gothic Pro

Sans16px

Contrast Ratio

2.81:1

6 issues

Reading Comfort

Single Font Family

center aligned

16px

32px

16px

Octave

Scale

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

⚠️ Partial contrast: 6 elements below WCAG AA threshold (min 2.8:1).

✅ 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.

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

⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).

Buy on MyFonts

Color Palette

6 unique colors

Light

#fbfbfb

Background· 44.599999999999994%

#cdeaf2

Primary· 19.5%

#f8e3b7

Accent· 18.400000000000002%

#75664c

Secondary· 7.4%

#c2c196

Secondary· 6.5%

#efefe7

Secondary· 3.6%

Business & Marketing Stack

2 Tools Detected

Growing

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

16 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(3)cse.google.com(2)googletagmanager.com(2)google-analytics.com(1)google.com(1)

Website Identity

ideco-koushiki.jp

Location detected: 🇯🇵 Japanvia tld

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Last analyzed: 17 May 2026 at 04:25

Historical Analysis & Change Tracking