yamakei-online.com

https://yamakei-online.com· First analyzed 14 May 2026· Updated 14 May 2026

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yamakei-online.com

Mobile

Sponsored

Hosting Provider

Oracle Cloud

oracle.com/cloud

IP Address

150.230.208.178

Site Location

🇯🇵 Japanvia ip

Server Location

🇯🇵 Tokyo, Japan

ASN

AS31898

Organization

Oracle Cloud Infrastructure (ap-tokyo-1)

Nameservers

ns-2010.awsdns-59.co.uk.ns-820.awsdns-38.net.ns-1074.awsdns-06.org.ns-184.awsdns-23.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.5 s10%

Speed Index

1.9 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

1.1 MB

221 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Oracle Cloud

Technology Stack

10 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel

Advertising

Google Ads Twitter Ads Taboola

Libraries

CSS Frameworks

Fonts

Tag Managers

SEO Analysis

C60/100

Meta Tags7/15

Content10/12

Headings3/8

Technical19/25

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social3/5

Freshness0/4

Mobile4/4

Indexability3/3

yamakei-online.comyamakei-online.com

山好きのための登山情報サイト - 山と溪谷オンライン

山と溪谷オンラインは、山と溪谷社が運営する登山情報サイト。登山地図、登山道、登山用品情報など、便利なツールを提供しています。初心者の方からベテランの方まで、登山者のニーズに幅広く応えます。

Title Length26 chars

Recommended: 50-60 chars (~161px / 580px)

Description Length94 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (111/137) — critical for accessibility and SEO

9 issues found

Upgrade to view details

Crawlability

Sitemap

Type: index

9 URLs

9 sub-sitemaps

robots.txt

28 rules

Sitemap reference found

Local SEO

Local Search Readiness

10/100

Poor

3 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

D44/100

Bot Access

20/25

Machine Read.

13/25

Schema Data

0/25

Citation

11/25

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.txtinvalid

llms-full.txt

Semantic HTML

Heading Hierarchy

nav

Text ratio:3%

Words:430

Token eff.:Optimal

Sections/1K:176.7

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary16w

Descriptive Headingsavg 1.2w

Canonical URL

Open Graph3/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (12)

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.

66/100

Passed

Critical

Warnings

Images & Alt Text

15/20

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

Semantic Structure

13/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

7/15

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

7/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

5 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.

39/100

138 mg

CO₂e / view

1.1 MB

Page Weight

70%

Cleaner Than

New Visitor

158 mg

Returning (cached)

79 mg

Annual (10K/mo)

16.6 kg

Emission Segments

Data Center

31 mg

Network

33 mg

Device

74 mg

Resource Breakdown

JavaScript

784.2 KB

Images

342 B

CSS

224.1 KB

Fonts

983 B

HTML

26.6 KB

Other

79.3 KB

Green Hosting Not Verified

Oracle Cloud

6 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

138d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Cybertrust Japan Co., Ltd.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/2

Valid From

04.09.2025

Valid Until

30.09.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.yamakei-online.comyamakei-online.com

SHA-256 Fingerprint

DF:31:F1:47:F1:96:93:93:84:43:98:A0:58:69:D7:A4:3A:AE:24:A3...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

cache-control

🔴 No Cache(no-store, no-cache, must-revalidate, post-check=0, pre-check...)

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=utf-8

date

Thu, 14 May 2026 16:42:56 GMT

expires

Thu, 19 Nov 1981 08:52:00 GMT

pragma

no-cache

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

yamakei-online.com

Domain Age

16y 4m

Created

05.01.2010

Expires

05.01.2027

Last Updated

31.12.2025

Registrar

IDC Frontier 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.

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=1.0,maximum-scale=1.0

2 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

游ゴシック体

WCAG Partial

56/100

Readability

/30

10/30

10px · LH 1.67

Hierarchy

/20

8/20

WCAG

/25

18/25

1:1 min contrast

Performance

/25

20/25

1 font · 1 req

Heading Font

游ゴシック体

Sans

Body Font

游ゴシック体

Sans10px

Contrast Ratio

1:1

7 issues

Reading Comfort

~83 CPL

Wide lines

32px

20px

10px

❌ Critical: 10px body text is too small. Minimum 14px, recommend 16px+.

⚠️ Wide lines: ~83 chars/line. Use max-width: 65ch for comfortable reading.

⚠️ Partial contrast: 7 elements below WCAG AA threshold (min 1.0:1).

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

✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).

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

GGoogle Fonts Buy on MyFontsFluid Type (rem)

Color Palette

11 unique colors

8.72:1 AAA Light

#ffffff

Background· 46.49999999999999%

#4c4a52

Other· 5.6%

#a3bed1

Primary· 7.6%

#83b0cf

Secondary· 6.9%

#4d7f85

Secondary· 6.7%

#e4e3cd

Secondary· 6%

#163046

Accent· 5.8%

#7a8d9e

Secondary· 5.3%

Business & Marketing Stack

5 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Twitter/X AdsMid-Market

Ad platforms and retargeting pixels

Social Media

Facebook SDKFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

27 Resources

Scripts

Styles

Async

Defer

Top Script Sources

connect.facebook.net(4)yamakei-online.com(4)googletagmanager.com(2)script.4dex.io(1)c.amazon-adsystem.com(1)

Website Identity

yamakei-online.com

16 years old

Location detected: 🇯🇵 Japanvia ip

IDC Frontier Inc.ja

Social Profiles

Facebook X (Twitter)Instagram YouTube

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Last analyzed: 14 May 2026 at 16:43

Historical Analysis & Change Tracking