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sunday.co.jp

https://sunday.co.jp· First analyzed 02 Jun 2026· Updated 02 Jun 2026
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sunday.co.jp
Desktop screenshot of sunday.co.jp
Mobile screenshot of sunday.co.jp
Mobile

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Hosting Provider

eNet Solutions Co., Ltd.

IP Address

111.109.37.43

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Chiyoda City, Japan

ASN

AS2516

Organization

eNet Solutions Co., Ltd.

Server

Apache

Nameservers

ns00.vips.ne.jp.ns01.vips.ne.jp.

Performance

88

Core Web Vitals

Weight

First Contentful Paint
1.6 s10%
Speed Index
2.1 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
7.3 MB
61 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
eNet Solutions Co., Ltd.

Technology Stack

7 Technologies Detected

Analytics

2
Google Analytics
Google Analytics 4

Libraries

1
jQueryv1.12.4

UI Components

1
Slick Carousel

CSS Frameworks

1
Tailwind CSS

Fonts

1
Google Fonts

Web Servers

1
Apache

SEO Analysis

D55/100
15
9
0
Meta Tags8/15
Content6/12
Headings8/8
Technical10/21
E-E-A-T0/7
Images4/7
Links5/5
URL5/5
Social0/5
Freshness2/4
Mobile4/4
Indexability3/3
S
sunday.co.jpsunday.co.jp

株式会社サンデー

サンデーは東北6県に展開する、DIY用品や園芸、農業などのアグリ事業、日用品、ホームファッション、リフォームなど生活必需品全般を扱うホームセンターです。東北地域の皆さまのお役に立てるサービスをご提供します。

Title Length8 chars

Recommended: 50-60 chars (~49px / 580px)

Description Length103 chars

Recommended: 120-160 chars

Issues (0)

    9 issues found

    Upgrade to view details

    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.

    Sponsored

    AI & LLM Readiness

    F35/100
    Bot Access
    20/25
    Machine Read.
    7/25
    Schema Data
    0/25
    Citation
    8/25

    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:2%
    Words:101
    Token eff.:Too Short
    Sections/1K:39.6
    Depth:2/5

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary
    Descriptive Headingsavg 2w
    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...
    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.
    A
    85/100
    14
    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
    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
    6/15
    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.
    9/100
    F
    930 mg
    CO₂e / view
    7.3 MB
    Page Weight
    5%
    Cleaner Than
    New Visitor
    1.06 g
    vs
    Returning (cached)
    531 mg
    Annual (10K/mo)
    111.6 kg
    Emission Segments
    Data Center
    208 mg
    Network
    223 mg
    Device
    499 mg
    Resource Breakdown
    JavaScript
    140.4 KB
    Images
    3.0 MB
    CSS
    4.1 MB
    Fonts
    59.6 KB
    HTML
    25.2 KB
    Green Hosting Not Verified
    eNet Solutions Co., Ltd.
    8 recommendations
    • •Carbon footprint recommendation preview...
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    D

    Security Score

    41%Poor
    Interactive

    HTTPS

    No WAF

    21d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    GlobalSign nv-sa

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.2

    HTTP Protocol

    HTTP/1.1

    Valid From

    23.05.2025

    Valid Until

    24.06.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    www.sunday.co.jpsunday.co.jp

    SHA-256 Fingerprint

    05:B4:2B:42:06:AC:EF:6C:63:30:94:69:76:EB:5C:67:C8:B1:C8:5E...

    Top Recommendations

    Security recommendation preview

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    Upgrade to view header details

    HTTP Headers

    Developer Console

    connection
    Keep-Alive
    content-type
    text/html; charset=UTF-8
    date
    Tue, 02 Jun 2026 20:55:49 GMT
    keep-alive
    timeout=5, max=100
    server
    Apache
    transfer-encoding
    chunked
    Good Warning Issue

    Email Infrastructure

    Microsoft 365

    Score

    95

    SPF
    DKIM
    DMARC

    DMARC Policy

    None (Monitor Only)

    MX Records (1)

    sunday-co-jp.mail.protection.outlook.com

    Domain Information

    sunday.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
    57/100
    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,minimum-scale=1
    2 recommendations
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    Noto Sans JP

    WCAG Partial
    60/100
    Readability
    /30
    20/30

    16px · LH 1.70

    Hierarchy
    /20
    6/20

    0.62x ratio

    WCAG
    /25
    14/25

    1:1 min contrast

    Performance
    /25
    20/25

    1 font · 1 req

    Heading Font

    Noto Sans JP

    Sans10px

    Body Font

    Noto Sans JP

    Sans16px

    Contrast Ratio

    1:1

    3 issues

    Reading Comfort

    ~43 CPL

    Narrow lines
    10px
    h1
    10px
    h2
    18px
    h3
    16px
    h4
    16px
    p
    Major Third
    Scale

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

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

    ❌ Missing H1: Every page should have exactly one H1 element for SEO and accessibility.

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

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

    ✅ Smart font loading: font-display: swap prevents invisible text during load (FOIT).

    GGoogle Fonts

    Color Palette

    12 unique colors
    5.16:1 AA Light
    #ffffff
    Text· 12.7%
    #786974
    Other· 7.4%
    #525984
    Primary· 12.899999999999999%
    #d0bd9e
    Secondary· 12.6%
    #d2d0af
    Secondary· 10.100000000000001%
    #e5e1cf
    Secondary· 8.8%
    #c2aa92
    Secondary· 7.2%
    #a29885
    Secondary· 7.2%

    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

    Sponsored

    Scripts & Styles

    10 Resources

    5
    Scripts
    5
    Styles
    1
    Async
    0
    Defer

    Top Script Sources

    local(4)googletagmanager.com(1)

    Website Identity

    sunday.co.jp

    Location detected: 🇯🇵 Japanvia tld
    📧 Microsoft 365ja

    Sponsored

    Last analyzed: 02 Jun 2026 at 20:56

    Historical Analysis & Change Tracking

    sunday.co.jp Technology Stack - Built With jQuery, Slick Carousel, Tailwind CSS, Google Fonts, Google Analytics | StackOptic | StackOptic