kurosawagakki.com

https://kurosawagakki.com· First analyzed 28 May 2026· Updated 28 May 2026

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kurosawagakki.com

Mobile

Sponsored

Hosting Provider

XSERVER Inc.

IP Address

183.90.242.4

Site Location

🇯🇵 Japanvia ip

Server Location

🇯🇵 Chiyoda City, Japan

ASN

AS131965

Organization

XSERVER Inc.

Server

Nginx

CDN

Cloudflare

WAF

Cloudflare

Nameservers

ulla.ns.cloudflare.com.corey.ns.cloudflare.com.

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%

3.6 MB

70 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Frontend

Styling

Bootstrap

CMS

WordPress

Infrastructure

Hosting

XSERVER Inc.

CDN

Cloudflare

Technology Stack

12 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel

UI Components

Swiper Slick Carousel

CSS Frameworks

Libraries

Icon Libraries

Fonts

Tag Managers

Web Servers

SEO Analysis

C63/100

Meta Tags7/15

Content8/12

Headings1/8

Technical18/25

E-E-A-T3/7

Images5/7

Links4/5

URL5/5

Social5/5

Freshness0/4

Mobile4/4

Indexability3/3

kurosawagakki.comkurosawagakki.com

クロサワ楽器店 | いい楽器との、いい出会いを

1957年創業、総合楽器専門店。ギター、ベース、ウクレレ、管楽器、弦楽器、打楽器、鍵盤楽器等の専門店を展開しております。いい楽器との出会いはクロサワ楽器店で。

Title Length23 chars

Recommended: 50-60 chars (~140px / 580px)

Description Length79 chars

Recommended: 120-160 chars

Issues (1)

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

8 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

1 URLs

robots.txt

14 rules

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

F32/100

Bot Access

20/25

Machine Read.

2/25

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

nav

Text ratio:5%

Words:274

Token eff.:Too Short

Sections/1K:10.9

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headingsavg 1.7w

Canonical URL

Open Graph3/3

Twitter Card3/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (10)

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.

79/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

11/20

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

9/15

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.

20/100

456 mg

CO₂e / view

3.6 MB

Page Weight

15%

Cleaner Than

New Visitor

521 mg

Returning (cached)

260 mg

Annual (10K/mo)

54.7 kg

Emission Segments

Data Center

102 mg

Network

109 mg

Device

245 mg

Resource Breakdown

JavaScript

169.3 KB

Images

2.6 MB

CSS

796.4 KB

Fonts

646 B

HTML

13.4 KB

Other

1.4 KB

Green Hosting Not Verified

XSERVER Inc.

6 recommendations

•Carbon footprint recommendation preview...

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Security Score

71%Good

Static / Informational

HTTPS

No WAF

40d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

08.04.2026

Valid Until

07.07.2026

Subject Alternative Names (2)

kurosawagakki.comwww.kurosawagakki.com

SHA-256 Fingerprint

52:07:50:1F:70:90:D4:1A:BB:3E:8E:F0:FD:30:BB:C5:F6:91:27:8D...

Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

content-encoding

⚡ Brotli(br)

content-type

text/html

date

Thu, 28 May 2026 18:09:54 GMT

etag

W/"11ab4-65249c17eed84"

last-modified

Thu, 21 May 2026 01:23:12 GMT

server

nginx

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (1)

sv2103.xserver.jp

Domain Information

kurosawagakki.com

Domain Age

27y 1m

Created

12.04.1999

Expires

12.04.2027

Last Updated

03.04.2026

Registrar

XServer, Inc.

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

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.

58/100

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, shrink-to-fit=no

2 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

-apple-system

WCAG Partial

61/100

Readability

/30

18/30

14px · LH 1.60

Hierarchy

/20

7/20

WCAG

/25

16/25

1:1 min contrast

Performance

/25

20/25

System fonts

Heading Font

-apple-system

Sans

Body Font

-apple-system

Sans14px

Contrast Ratio

1:1

14 issues

Reading Comfort

Single Font Family

left aligned

16px

19px

14px

Minor Third

Scale

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

✅ Optimal line spacing: 1.60 ratio (ideal range 1.4–1.6).

⚠️ Hard to read: Flesch score 48/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 14 elements below WCAG AA threshold (min 1.0:1).

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

✅ System fonts: Zero font loading delay — best possible LCP impact.

GGoogle FontsFlesch 48

Color Palette

6 unique colors

16.34:1 AAA Light

#ffffff

Background· 97.69999999999997%

#221f20

Other· 0.4%

Business & Marketing Stack

3 Tools Detected

Advanced

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

connect.facebook.net(2)googletagmanager.com(2)cdn.jsdelivr.net(2)code.jquery.com(1)stackpath.bootstrapcdn.com(1)

Website Identity

kurosawagakki.com

27 years old

Location detected: 🇯🇵 Japanvia ip

XServer, Inc.ja

Social Profiles

YouTube

Sponsored

Last analyzed: 28 May 2026 at 18:10

Historical Analysis & Change Tracking