saruwakakun.com

https://saruwakakun.com· First analyzed 19 May 2026· Updated 19 May 2026

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saruwakakun.com

Mobile

Sponsored

Hosting Provider

XSERVER Inc.

IP Address

183.90.240.25

Site Location

🇯🇵 Japanvia ip

Server Location

🇯🇵 Chiyoda City, Japan

ASN

AS131965

Organization

XSERVER Inc.

Server

Nginx

CDN

Cloudflare

WAF

Cloudflare

Nameservers

coleman.ns.cloudflare.com.heidi.ns.cloudflare.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.0 s10%

Speed Index

1.3 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

761 KB

52 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv5.2.21

cms

xeory_baseCustom

Technology Stack

11 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Advertising

Google Ads Google AdSense

Plugins

Lazy Load Q2W3 Fixed Widget

Libraries

CSS Frameworks

Icon Libraries

Fonts

Web Servers

SEO Analysis

D56/100

Meta Tags5/15

Content2/12

Headings7/8

Technical20/25

E-E-A-T0/7

Images4/7

Links2/5

URL5/5

Social4/5

Freshness2/4

Mobile2/4

Indexability3/3

saruwakakun.comsaruwakakun.com

サルワカ | サルでも分かる図解説明マガジン

サルワカはあらゆることを分かりやすく解説するメディアです。何か分からないことがあったときはサルワカへどうぞ！

Title Length22 chars

Recommended: 50-60 chars (~134px / 580px)

Description Length54 chars

Recommended: 120-160 chars

Issues (1)

• Very thin content (42 words). Search engines need substantial content for ranking.

9 issues found

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Crawlability

Sitemap

Type: index

90 URLs

90 sub-sitemaps

robots.txt

4 rules

Sitemap reference found

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

F39/100

Bot Access

20/25

Machine Read.

7/25

Schema Data

2/25

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:0%

Words:98

Token eff.:Too Short

Sections/1K:140

Depth:1/5

Structured Data

1 JSON-LD

Organization×1.1

Citation Readiness

Opening Summary

Descriptive Headingsavg 1.2w

Canonical URL

Open Graph3/3

Twitter Card1/3

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.

72/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

15/20

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

7/15

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.

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.

48/100

94 mg

CO₂e / view

761.1 KB

Page Weight

80%

Cleaner Than

New Visitor

108 mg

Returning (cached)

54 mg

Annual (10K/mo)

11.3 kg

Emission Segments

Data Center

21 mg

Network

23 mg

Device

51 mg

Resource Breakdown

JavaScript

339.4 KB

Images

263.9 KB

CSS

97.7 KB

Fonts

4.2 KB

HTML

8.2 KB

Other

47.8 KB

Green Hosting Not Verified

XSERVER Inc.

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

52d

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

12.04.2026

Valid Until

11.07.2026

Subject Alternative Names (2)

saruwakakun.comwww.saruwakakun.com

SHA-256 Fingerprint

4F:5A:B6:D2:8B:51:EA:5C:6C:5D:ED:B8:89:07:5E:0C:A5:FA:CA:C8...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🟡 3s(max-age=3, must-revalidate)

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=UTF-8

date

Tue, 19 May 2026 23:24:26 GMT

server

nginx

vary

Accept-Encoding, Accept-Encoding,Cookie

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

saruwakakun.com

Domain Information

saruwakakun.com

Domain Age

9y 6m

Created

12.11.2016

Expires

12.11.2026

Last Updated

04.10.2025

Registrar

GMO Internet Group, Inc. d/b/a Onamae.com

DNSSEC

Not Enabled

Privacy & Compliance

Quantcast Choice

Cookie Consent Banner

Quantcast Choice

GDPR Indicators

Cookie consent banner detected

CMP: Quantcast Choice

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.

68/100

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,minimum-scale=1,initial-scale=1

1 recommendation

•Mobile compatibility recommendation preview...

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Typography & Readability

Helvetica Neue

WCAG Partial

54/100

Readability

/30

9/30

12px · LH 1.90

Hierarchy

/20

9/20

1.42x ratio

WCAG

/25

17/25

1.84:1 min contrast

Performance

/25

19/25

System fonts

Heading Font

Helvetica Neue

Sans17px

Body Font

Helvetica Neue

Sans12px

Contrast Ratio

1.84:1

30 issues

Reading Comfort

Single Font Family

left aligned

17px

12px

Minor Second

Scale

❌ Critical: 12px body text is too small. Minimum 14px, recommend 16px+.

⚠️ Wide line spacing (1.90). 1.4–1.6 is optimal for body text.

⚠️ Partial contrast: 30 elements below WCAG AA threshold (min 1.8:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

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

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

GGoogle Fonts

Color Palette

7 unique colors

Light

#ffffff

Background· 33.9%

#efebea

Background· 44.00000000000001%

#ff948e

Primary· 7.8%

#95d1ec

Accent· 7.1%

#9578a9

Secondary· 3.8%

#ebded5

Secondary· 2.3%

#ae9db4

Secondary· 1.3%

Business & Marketing Stack

2 Tools Detected

Advanced

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Ad platforms and retargeting pixels

Sponsored

Scripts & Styles

17 Resources

Scripts

Styles

Async

Defer

Top Script Sources

pagead2.googlesyndication.com(4)fundingchoicesmessages.google.com(4)saruwakakun.com(4)ajax.googleapis.com(1)googletagmanager.com(1)

Website Identity

saruwakakun.com

9 years old

Location detected: 🇯🇵 Japanvia ip

GMO Internet Group, Inc. d/b/a Onamae.comja

Sponsored

Last analyzed: 19 May 2026 at 23:24

Historical Analysis & Change Tracking