ei-navi.jp

https://ei-navi.jp· First analyzed 29 May 2026· Updated 29 May 2026

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ei-navi.jp

Mobile

Sponsored

Hosting Provider

Amazon Web Services (AWS)

aws.amazon.com

IP Address

54.150.123.222

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Tokyo, Japan

ASN

AS16509

Organization

AWS EC2 (ap-northeast-1)

Server

Apache

Nameservers

ns020-or1331oj13jmk4cv.o.d-53.net.ns020-or1331oj13jmk4cv.o.d-53.info.ns020-or1331oj13jmk4cv.o.d-53.jp.

Performance

Core Web Vitals

Weight

First Contentful Paint

1.4 s10%

Speed Index

1.9 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

2.5 MB

130 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Amazon Web Services (AWS)

Technology Stack

15 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel Segment

Advertising

Google Ads Google AdSense Twitter Ads Criteo

Libraries

CSS Frameworks

Fonts

Tag Managers

Payments

Web Servers

SEO Analysis

D47/100

Meta Tags5/15

Content3/12

Headings8/8

Technical12/21

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social3/5

Freshness0/4

Mobile2/4

Indexability3/3

ei-navi.jpei-navi.jp

英ナビ！ | 英語で結果を出したい人のパートナー

「英ナビ！」は、英語学習に役立つ最新情報、英検級レベルで調べられる英語辞書など、「英語で結果を出したい人のパートナー」です。

Title Length24 chars

Recommended: 50-60 chars (~146px / 580px)

Description Length62 chars

Recommended: 120-160 chars

Issues (2)

• Very thin content (44 words). Search engines need substantial content for ranking.
• Most images missing alt text (19/20) — critical for accessibility and SEO

9 issues found

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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

def. listsnav

Text ratio:0%

Words:194

Token eff.:Too Short

Sections/1K:15.5

Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headingsavg 1.5w

Canonical URL

Open Graph3/3

Twitter Card0/3

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.

74/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

18/20

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

4/15

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.

32/100

256 mg

CO₂e / view

2.5 MB

Page Weight

30%

Cleaner Than

New Visitor

292 mg

Returning (cached)

146 mg

Annual (10K/mo)

30.7 kg

Emission Segments

Data Center

13 mg

Network

75 mg

Device

168 mg

Resource Breakdown

JavaScript

791.8 KB

Images

688.2 KB

CSS

947.5 KB

Fonts

5.1 KB

HTML

35.4 KB

Other

65.2 KB

Green Hosting Verified

Amazon Web Services (AWS)

Provider Match

8 recommendations

•Carbon footprint recommendation preview...

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Security Score

0%Critical

Critical / Transactional

HTTPS

No WAF

267d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Amazon

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

22.01.2026

Valid Until

20.02.2027

OCSP Stapling

Enabled

Subject Alternative Names (3)

*.ei-navi.jpwww.ei-navi.jpei-navi.jp

SHA-256 Fingerprint

1A:9A:EA:CB:DB:A1:BA:39:32:A6:9A:7B:5E:74:A7:BF:42:00:C1:B5...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-length

35934

content-type

text/html; charset=UTF-8

date

Fri, 29 May 2026 20:28:20 GMT

server

Apache

x-pad

avoid browser bug

set-cookie

SID

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (1)

mail-tmp.ei-navi.jp

Domain Information

ei-navi.jp

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

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.

50/100

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=980

2 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

メイリオ + Oswald

WCAG Partial

49/100

Readability

/30

9/30

11px · LH 1.70

Hierarchy

/20

15/20

1.27x ratio · ✓ H1→H6

WCAG

/25

12/25

1:1 min contrast

Performance

/25

13/25

2 fonts · 3 req

Heading Font

メイリオ

Sans14px

Body Font

Oswald

Display11px

Contrast Ratio

1:1

5 issues

Reading Comfort

~159 CPL

Too wide

14px

16px

12px

11px

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

❌ Very long lines: ~159 chars/line causes eye strain. Add max-width constraint.

❌ Very complex text: Flesch score 27/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 5 elements below WCAG AA threshold (min 1.0:1).

✅ 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.

GGoogle Fonts Buy on MyFontsFlesch 27

Color Palette

5 unique colors

3.94:1 AA Large Light

#ffffff

Background· 78.89999999999998%

#79818b

Other· 3.5%

#e7edf2

Primary· 7.7%

#87adc6

Secondary· 6.6%

#d0e0e8

Secondary· 3.2%

Business & Marketing Stack

7 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

User behavior and product analytics

Advertising

Google AdsEnterprise

Facebook PixelMid-Market

Twitter/X AdsMid-Market

Ad platforms and retargeting pixels

Social Media

Facebook SDKFree

Twitter/X WidgetsFree

Social widgets and sharing tools

Sponsored

Scripts & Styles

28 Resources

Scripts

Styles

Async

Defer

Top Script Sources

googletagmanager.com(5)connect.facebook.net(4)rise.enhance.co.jp(2)google-analytics.com(2)dmp.im-apps.net(1)

Website Identity

ei-navi.jp

Location detected: 🇯🇵 Japanvia tld

ja-JP

Sponsored

Last analyzed: 29 May 2026 at 20:29

Historical Analysis & Change Tracking