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keizaikai.co.jp

https://keizaikai.co.jp· First analyzed 29 May 2026· Updated 29 May 2026
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keizaikai.co.jp
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Sponsored

Hosting Provider

MIRAI CO., LTD.

IP Address

210.172.223.65

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Kani, Japan

ASN

AS7690

Organization

MIRAI CO., LTD.

Server

Apache

Nameservers

ns1.mcnx.jp.ns2.mcnx.jp.

Performance

96

Core Web Vitals

Weight

First Contentful Paint
1.1 s10%
Speed Index
1.4 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
5.3 MB
52 requests

Image Optimization

Lazy LoadResponsiveJetpack Photon (WordPress)
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
WordPress
cms
SANGOv2.0.7Custom
by SARUWAKA
View Theme

Technology Stack

13 Technologies Detected

Plugins

3
Contact Form 7
Jetpack
Google Site Kit

CSS Frameworks

2
Tailwind CSS
Bootstrap

Analytics

2
Google Analytics
Segment

Advertising

2
Google AdsGoogle AdSense

Libraries

1
jQuery

Icon Libraries

1
Font Awesome

Fonts

1
Google Fonts

Web Servers

1
Apache

SEO Analysis

C60/100
18
10
0
Meta Tags9/15
Content6/12
Headings8/8
Technical18/25
E-E-A-T0/7
Images4/7
Links2/5
URL5/5
Social4/5
Freshness0/4
Mobile1/4
Indexability3/3
K
keizaikai.co.jpkeizaikai.co.jp

経済界 | 株式会社経済界

株式会社経済界は、創業者である佐藤正忠によって1964年に設立されたフェイス出版を前身とし、 「企業は人で決まる」という編集方針の下、経営者の人物像に鋭く迫る雑誌『経済界』を発行、 主要な読者層である企業経営者、経営管理層が真に求める情報を発信している。

Title Length13 chars

Recommended: 50-60 chars (~78px / 580px)

Description Length127 chars

Recommended: 120-160 chars

Issues (0)

    10 issues found

    Upgrade to view details

    Crawlability

    Sitemap

    Type: index

    2 URLs

    2 sub-sitemaps

    robots.txt

    5 rules

    Sitemap reference found

    Local SEO

    Local Search Readiness

    16/100
    Poor
    4 11 2

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

    Sponsored

    AI & LLM Readiness

    F37/100
    Bot Access
    20/25
    Machine Read.
    7/25
    Schema Data
    0/25
    Citation
    10/25

    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:4%
    Words:124
    Token eff.:Too Short
    Sections/1K:193.5
    Depth:2/5

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary10w
    Descriptive Headingsavg 3.5w
    Canonical URL
    Open Graph3/3
    Twitter Card1/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (10)
    AI readiness recommendation preview...
    Upgrade to view recommendations

    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.
    C
    62/100
    11
    Passed
    3
    Critical
    2
    Warnings
    Images & Alt Text
    5/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    18/20
    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.
    23/100
    F
    675 mg
    CO₂e / view
    5.3 MB
    Page Weight
    5%
    Cleaner Than
    New Visitor
    772 mg
    vs
    Returning (cached)
    386 mg
    Annual (10K/mo)
    81.0 kg
    Emission Segments
    Data Center
    151 mg
    Network
    162 mg
    Device
    362 mg
    Resource Breakdown
    JavaScript
    317.6 KB
    Images
    4.0 MB
    CSS
    811.1 KB
    Fonts
    208.4 KB
    HTML
    15.4 KB
    Other
    18.0 KB
    Green Hosting Not Verified
    MIRAI CO., LTD.
    8 recommendations
    • •Carbon footprint recommendation preview...
    Upgrade to view recommendations
    D

    Security Score

    41%Poor
    Interactive

    HTTPS

    No WAF

    44d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Let's Encrypt

    Key Algorithm

    RSA (4096 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    13.04.2026

    Valid Until

    12.07.2026

    Subject Alternative Names (1)

    keizaikai.co.jp

    SHA-256 Fingerprint

    76:2C:31:A0:99:5E:D4:26:C9:59:B5:B8:45:42:02:84:74:5A:73:43...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    accept-ranges
    none
    content-encoding
    📦 Gzip(gzip)
    content-language
    ja
    content-length
    15423
    content-type
    text/html; charset=UTF-8
    date
    Fri, 29 May 2026 00:36:43 GMT
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    70

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (1)

    sv2.mcnx.jp

    Domain Information

    keizaikai.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.
    A
    80/100
    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=device-width, initial-scale=1, viewport-fit=cover
    1 recommendation
    • •Mobile compatibility recommendation preview...
    Upgrade to view recommendations

    Typography & Readability

    Noto Serif JP + Helvetica

    WCAG Partial
    70/100
    Readability
    /30
    19/30

    17px · LH 1.83

    Hierarchy
    /20
    17/20

    4.67x ratio

    WCAG
    /25
    14/25

    1.4:1 min contrast

    Performance
    /25
    20/25

    2 fonts · 2 req

    Heading Font

    Noto Serif JP

    Serif80px

    Body Font

    Helvetica

    Sans17px

    Contrast Ratio

    1.4:1

    17 issues

    Reading Comfort

    ~44 CPL

    Narrow lines
    80px
    h1
    22px
    h2
    21px
    h3
    17px
    p

    ✅ Excellent readability: 17px body text is ideal for all devices.

    ⚠️ Wide line spacing (1.83). 1.4–1.6 is optimal for body text.

    ⚠️ Partial contrast: 17 elements below WCAG AA threshold (min 1.4:1).

    ⚠️ Minor heading issue: 0 level skip(s) detected. Maintain sequential order for screen readers.

    ✅ Strong hierarchy: Headlines are 4.7x larger than body text.

    ✅ Lean font stack: 2 font families keeps load times fast.

    GGoogle Fonts

    Color Palette

    10 unique colors
    11.11:1 AAA Light
    #ffffff
    Background· 18%
    #393c3e
    Other· 9.5%
    #0018f4
    Primary· 0%
    #eaeeef
    Background· 27.8%
    #ad928b
    Secondary· 7.2%
    #baa79f
    Secondary· 6.3%
    #845f56
    Secondary· 6.1%
    #d7d1c8
    Secondary· 2.8%

    Business & Marketing Stack

    2 Tools Detected

    Advanced

    Behavior Analytics

    1
    Google AnalyticsFree

    User behavior and product analytics

    Advertising

    1
    Google AdsEnterprise

    Ad platforms and retargeting pixels

    2

    Categories

    2

    Total Tools

    1

    Enterprise

    0

    Mid-Market

    Assessment: Well-developed marketing technology stack

    Ad Networks

    Google AdSense

    Sponsored

    Scripts & Styles

    23 Resources

    16
    Scripts
    7
    Styles
    3
    Async
    3
    Defer

    Top Script Sources

    keizaikai.co.jp(5)c0.wp.com(5)pagead2.googlesyndication.com(2)google-analytics.com(1)googletagmanager.com(1)

    Website Identity

    keizaikai.co.jp

    Location detected: 🇯🇵 Japanvia tld
    ja

    Sponsored

    Last analyzed: 29 May 2026 at 00:37

    Historical Analysis & Change Tracking

    keizaikai.co.jp Technology Stack - Built With jQuery, Tailwind CSS, Font Awesome, Google Fonts, Google Analytics | StackOptic | StackOptic