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flets-w.com

https://flets-w.com· First analyzed 04 May 2026· Updated 04 May 2026
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flets-w.com
Desktop screenshot of flets-w.com
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Mobile

Sponsored

Hosting Provider

IP Address

210.172.61.86

Site Location

🇯🇵 大阪市都島区, Japanvia schema_nap

Server Location

🇯🇵 Osaka, Japan

ASN

AS7671

Organization

NTT SmartConnect Corporation

Nameservers

ns11.mcnet.ad.jp.ns12.mcnet.ad.jp.

Performance

80

Core Web Vitals

Weight

First Contentful Paint
2.2 s10%
Speed Index
2.9 s10%
Largest Contentful Paint
25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
4.2 MB
187 requests

Image Optimization

Lazy LoadResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
HubSpot CMS

Technology Stack

7 Technologies Detected

SEO Analysis

B74/100
21
8
0
Meta Tags10/15
Content10/12
Headings8/8
Technical23/25
E-E-A-T2/7
Images3/7
Links5/5
URL5/5
Social4/5
Freshness0/4
Mobile1/4
Indexability3/3
F
flets-w.comflets-w.com

【公式】NTT西日本フレッツ光|高速・高品質な光回線インターネット

【フレッツ光公式サイト】高速・高品質・安定の光回線はフレッツ光!開通時やご利用中のサポートも充実で安心。各種割引サービスもご用意、あなたにあったプランをお選びいただけます!

Title Length33 chars

Recommended: 50-60 chars (~204px / 580px)

Description Length86 chars

Recommended: 120-160 chars

Issues (0)

    Crawlability

    Sitemap

    Type: standard

    2,842 URLs

    robots.txt

    3 rules

    Local SEO

    Local Search Readiness

    22/100
    Needs Work
    6 14

    Sponsored

    AI & LLM Readiness

    D52/100
    Bot Access
    20/25
    Machine Read.
    11/25
    Schema Data
    11/25
    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
    def. listsnav
    Text ratio:4%
    Words:386
    Token eff.:Optimal
    Sections/1K:51.8
    Depth:2/5

    Structured Data

    4 JSON-LD
    FAQPage×1.5Organization×1.1WebSiteBreadcrumbList

    Citation Readiness

    Opening Summary
    Descriptive Headingsavg 1.1w
    Canonical URL
    Open Graph3/3
    Twitter Card1/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (11)
    AI readiness recommendation preview...

    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.
    B
    76/100
    11
    Passed
    3
    Critical
    1
    Warnings
    Images & Alt Text
    15/20
    Checks if images have descriptive alt text for screen readers and visually impaired users.
    Semantic Structure
    17/20
    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
    10/15
    Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).
    ARIA & Roles
    4/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    2 recommendations
    • Accessibility recommendation preview...

    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.
    21/100
    F
    530 mg
    CO₂e / view
    4.2 MB
    Page Weight
    15%
    Cleaner Than
    New Visitor
    606 mg
    vs
    Returning (cached)
    303 mg
    Annual (10K/mo)
    63.6 kg
    Emission Segments
    Data Center
    118 mg
    Network
    127 mg
    Device
    284 mg
    Resource Breakdown
    JavaScript
    280.9 KB
    Images
    2.4 MB
    CSS
    1.2 MB
    HTML
    16.8 KB
    Other
    338.5 KB
    Green Hosting Not Verified
    NTT SmartConnect Corporation
    8 recommendations
    • Carbon footprint recommendation preview...
    A+

    Security Score

    91%Excellent
    Static / Informational

    HTTPS

    No WAF

    209d

    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

    29.10.2025

    Valid Until

    29.11.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (1)

    flets-w.com

    SHA-256 Fingerprint

    D8:08:4A:7F:82:B0:CF:3F:C9:1D:EE:7A:B0:BC:79:E6:68:BE:2F:B3...

    Recommendations

    Security recommendation preview

    HTTP Headers

    Developer Console

    accept-ranges
    bytes
    content-encoding
    📦 Gzip(gzip)
    content-length
    16864
    content-security-policy
    upgrade-insecure-requests
    content-type
    text/html
    date
    Mon, 04 May 2026 13:46:56 GMT
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    50

    SPF
    DKIM
    DMARC

    MX Records (1)

    mail.ntt-west.co.jp

    Domain Information

    flets-w.com

    Domain Age
    21y 10m

    Created

    07.07.2004

    Expires

    07.07.2026

    Last Updated

    05.07.2025

    Registrar

    Japan Registry Services Co., Ltd.

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookiebot

    Cookie Consent Banner
    Cookiebot
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Cookie consent banner detected
    CMP: Cookiebot
    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.
    C
    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
    1 recommendation
    • Mobile compatibility recommendation preview...

    Typography & Readability

    YakuHanJP

    WCAG Partial
    63/100
    Readability
    /30
    22/30

    18px · LH 1.50

    Hierarchy
    /20
    11/20

    1.44x ratio · ✓ H1→H6

    WCAG
    /25
    12/25

    1.61:1 min contrast

    Performance
    /25
    18/25

    1 font · 5 req

    Heading Font

    YakuHanJP

    Sans26px

    Body Font

    YakuHanJP

    Sans18px

    Contrast Ratio

    1.61:1

    9 issues

    Reading Comfort

    ~35 CPL

    Narrow lines
    26px
    h1
    32px
    h2
    26px
    h3
    18px
    p
    Minor Second
    Scale

    ✅ Excellent readability: 18px body text is ideal for all devices.

    ✅ Optimal line spacing: 1.50 ratio (ideal range 1.4–1.6).

    ⚠️ Partial contrast: 9 elements below WCAG AA threshold (min 1.6:1).

    ✅ 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.

    ⚠️ Text justify detected: Justified text creates uneven word spacing, hurting readability on web.

    Color Palette

    10 unique colors
    Light
    #ffffff
    Background· 58.3%
    #fbdc03
    Accent· 12.5%
    #acd5dc
    Secondary· 8.6%
    #1d2288
    Primary· 7.5%
    #922d4b
    Accent· 4.1%
    #4c87b2
    Secondary· 4%
    #111e6a
    Accent· 2%
    #c4a880
    Secondary· 1.9%

    Business & Marketing Stack

    6 Tools Detected

    Enterprise

    CRM Systems

    1

    Customer Relationship Management platforms

    Behavior Analytics

    2

    User behavior and product analytics

    Advertising

    2

    Ad platforms and retargeting pixels

    Privacy & Cookies

    1

    Cookie consent and privacy compliance tools

    4

    Categories

    6

    Total Tools

    1

    Enterprise

    3

    Mid-Market

    Assessment: Sophisticated marketing and sales technology infrastructure

    Sponsored

    Scripts & Styles

    30 Resources

    20
    Scripts
    10
    Styles
    17
    Async
    0
    Defer

    Top Script Sources

    googletagmanager.com(7)s.yimg.jp(2)connect.facebook.net(2)js.hs-banner.com(1)js.hs-analytics.net(1)

    Website Identity

    NTT西日本株式会社

    NTT西日本株式会社

    Organization

    NTT西日本が運営するフレッツ光公式サイト。

    東野田町4丁目15番82号, 大阪市都島区

    5340024, 大阪市都島区, 大阪府

    JP

    Location detected: 🇯🇵 Japan, 大阪市都島区via schema_nap
    Japan Registry Services Co., Ltd.ja

    Sponsored

    Last analyzed: 04 May 2026 at 13:47

    Historical Analysis & Change Tracking