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swanlake.co.jp

https://swanlake.co.jp· First analyzed 04 Jun 2026· Updated 04 Jun 2026
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swanlake.co.jp
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Mobile

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Hosting Provider

SAKURA Internet Inc.

IP Address

153.120.4.237

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Ishikari, Japan

ASN

AS7684

Organization

SAKURA Internet Inc.

Server

Microsoft IIS

Nameservers

naka0.midland.co.jp.naka1.midland.co.jp.

Performance

93

Core Web Vitals

Weight

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

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
SAKURA Internet Inc.

Technology Stack

6 Technologies Detected

Libraries

1
jQuery

Icon Libraries

1
Font Awesome

Fonts

1
Google Fonts

Web Servers

1
Microsoft IISv10.0

Frameworks

1
ASP.NET

CSS Frameworks

1
Normalize.css

SEO Analysis

D57/100
16
8
0
Meta Tags7/15
Content6/12
Headings6/8
Technical16/25
E-E-A-T0/7
Images2/7
Links5/5
URL5/5
Social3/5
Freshness0/4
Mobile4/4
Indexability3/3
S
swanlake.co.jpswanlake.co.jp

【公式】スワンレイクビール・瓢湖屋敷の杜ブルワリー

ワールド・ビア・カップで金賞も受賞したスワンレイクビール。 越後名水にこだわり、ビールが育つ環境と良質な素材にこだわり、最高の品質を追究したビールです。

Title Length25 chars

Recommended: 50-60 chars (~155px / 580px)

Description Length76 chars

Recommended: 120-160 chars

Issues (0)

    8 issues found

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    Crawlability

    Sitemap
    robots.txt

    20 rules

    Allows all crawlers

    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

    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:4%
    Words:69
    Token eff.:Too Short
    Depth:2/5

    Structured Data

    No Schema

    Citation Readiness

    Opening Summary
    Descriptive Headings
    Canonical URL
    Open Graph3/3
    Twitter Card0/3
    Language Tag
    Publish Date
    Author Info
    Lists
    Tables
    TL;DR / Summary
    About Page Link
    Recommendations (9)
    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.
    B
    70/100
    10
    Passed
    2
    Critical
    0
    Warnings
    Images & Alt Text
    10/20
    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
    1/15
    Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.
    2 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.
    37/100
    C
    163 mg
    CO₂e / view
    1.3 MB
    Page Weight
    70%
    Cleaner Than
    New Visitor
    186 mg
    vs
    Returning (cached)
    93 mg
    Annual (10K/mo)
    19.5 kg
    Emission Segments
    Data Center
    36 mg
    Network
    39 mg
    Device
    87 mg
    Resource Breakdown
    JavaScript
    115.0 KB
    Images
    849.7 KB
    CSS
    155.6 KB
    Fonts
    178.1 KB
    HTML
    15.5 KB
    Green Hosting Not Verified
    SAKURA Internet Inc.
    6 recommendations
    • •Carbon footprint recommendation preview...
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    B

    Security Score

    71%Good
    Static / Informational

    HTTPS

    No WAF

    210d

    Certificate Details

    Type

    Domain Validated (DV)

    Certificate Authority

    Japan Registry Services Co., Ltd.

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    01.12.2025

    Valid Until

    31.12.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    swanlake.co.jpwww.swanlake.co.jp

    SHA-256 Fingerprint

    1E:5E:6E:9B:25:91:AB:2E:4F:DC:DB:2B:7C:D0:58:02:AA:EF:36:F0...

    Recommendations

    Security recommendation preview

    Upgrade to view recommendations
    Upgrade to view header details

    HTTP Headers

    Developer Console

    accept-ranges
    bytes
    content-length
    585
    content-type
    text/html
    date
    Thu, 04 Jun 2026 10:38:42 GMT
    etag
    "fc3c1ce1f989d51:0"
    last-modified
    Wed, 23 Oct 2019 23:30:39 GMT
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    45

    SPF
    DKIM
    DMARC

    MX Records (1)

    mail.swanlake.co.jp

    Domain Information

    swanlake.co.jp

    DNSSEC
    Not Enabled

    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
    59/100
    Mobile Friendly2 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=1.0, maximum-scale=2.0, user-scalable=1
    2 recommendations
    • •Mobile compatibility recommendation preview...
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    Typography & Readability

    -apple-system

    WCAG Partial
    63/100
    Readability
    /30
    12/30

    11px · LH 2.10

    Hierarchy
    /20
    15/20

    2.29x ratio · ✓ H1→H6

    WCAG
    /25
    14/25

    2.16:1 min contrast

    Performance
    /25
    22/25

    System fonts

    Heading Font

    -apple-system

    Sans26px

    Body Font

    -apple-system

    Sans11px

    Contrast Ratio

    2.16:1

    5 issues

    Reading Comfort

    ~64 CPL

    Optimal (45–75)
    26px
    h1
    11px
    p

    ❌ Critical: 11px body text is too small. Minimum 14px, recommend 16px+.

    ⚠️ Wide line spacing (2.10). 1.4–1.6 is optimal for body text.

    ✅ Optimal line length: ~64 chars/line (ideal 45–75 CPL).

    ⚠️ Partial contrast: 5 elements below WCAG AA threshold (min 2.2:1).

    ✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

    ✅ Strong hierarchy: Headlines are 2.3x larger than body text.

    GGoogle Fonts

    Color Palette

    14 unique colors
    Light
    #ffffff
    Background· 15.6%
    #e0c1a2
    Primary· 12.7%
    #c08b52
    Secondary· 9.6%
    #53431a
    Accent· 7.4%
    #deb178
    Accent· 6.9%
    #9b6e41
    Secondary· 6.9%
    #8a4b27
    Accent· 6.6%
    #bd7045
    Secondary· 5.4%

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    Scripts & Styles

    9 Resources

    4
    Scripts
    5
    Styles
    0
    Async
    0
    Defer

    Top Script Sources

    swanlake.co.jp(3)scripts(1)

    Website Identity

    swanlake.co.jp

    Location detected: 🇯🇵 Japanvia tld
    ja

    Sponsored

    Last analyzed: 04 Jun 2026 at 10:39

    Historical Analysis & Change Tracking