ganref.jp

https://ganref.jp· First analyzed 19 May 2026· Updated 19 May 2026

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ganref.jp

Mobile

Sponsored

Hosting Provider

Impress Holdings, Inc.

IP Address

202.218.13.164

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Niiza, Japan

ASN

AS4694

Organization

Impress Holdings, Inc.

Server

Apache

Nameservers

ns-1901.awsdns-45.co.uk.ns-453.awsdns-56.com.ns-727.awsdns-26.net.ns-1117.awsdns-11.org.

Performance

Core Web Vitals

Weight

First Contentful Paint

4.0 s10%

Speed Index

5.2 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

11.1 MB

124 requests

Image Optimization

Lazy Load

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Impress Holdings, Inc.

Technology Stack

13 Technologies Detected

Analytics

Google Analytics

Google Analytics 4

Facebook Pixel Microsoft Clarity

Advertising

Google Ads Twitter Ads

Libraries

jQueryv3.6.0

CSS Frameworks

Tailwind CSS

Icon Libraries

Font Awesome

Fonts

Adobe Fonts (Typekit)

Tag Managers

Google Tag Manager

Other

VWO

Web Servers

Apachev2.4.39

SEO Analysis

D55/100

Meta Tags9/15

Content8/12

Headings3/8

Technical13/25

E-E-A-T0/7

Images2/7

Links5/5

URL5/5

Social3/5

Freshness0/4

Mobile4/4

Indexability3/3

ganref.jpganref.jp

写真投稿＆写真共有サイト | GANREF

GANREFは、「探す楽しさ、見せる喜び、集うトキメキ」をテーマに、すべての写真ファンの創作活動を支援する株式会社インプレスが運営する写真投稿・共有サイトです。全国の撮影スポットの探索や季節の花などの写真検索、フォトコンテストの応募、写真の公開やレビューの投稿などができます。

Title Length21 chars

Recommended: 50-60 chars (~130px / 580px)

Description Length138 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (63/124) — critical for accessibility and SEO

10 issues found

Upgrade to view details

Crawlability

Sitemap

robots.txt

29 rules

Allows all crawlers

Local SEO

Local Search Readiness

8/100

Poor

3 15 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

F37/100

Bot Access

20/25

Machine Read.

9/25

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

Text ratio:3%

Words:445

Token eff.:Optimal

Sections/1K:6.7

Structured Data

No Schema

Citation Readiness

Opening Summary279w

Descriptive Headingsavg 1.8w

Canonical URL

Open Graph2/3

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.

61/100

Passed

Critical

Warnings

Images & Alt Text

15/20

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

Semantic Structure

11/20

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

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.

4 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.

4/100

1.41 g

CO₂e / view

11.1 MB

Page Weight

Cleaner Than

New Visitor

1.61 g

Returning (cached)

805 mg

Annual (10K/mo)

169.1 kg

Emission Segments

Data Center

315 mg

Network

338 mg

Device

756 mg

Resource Breakdown

JavaScript

205.0 KB

Images

2.8 MB

CSS

8.1 MB

HTML

83.5 KB

Green Hosting Not Verified

Impress Holdings, Inc.

9 recommendations

•Carbon footprint recommendation preview...

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Security Score

21%Critical

Interactive

HTTPS

No WAF

42d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

Cybertrust Japan Co., Ltd.

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

02.06.2025

Valid Until

30.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.ganref.jpganref.jp

SHA-256 Fingerprint

8C:C0:AA:DE:FA:4E:C4:81:05:3C:97:D2:B6:2F:CA:D1:B5:09:2F:7D...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

connection

Keep-Alive

content-type

text/html

date

Tue, 19 May 2026 09:28:17 GMT

keep-alive

timeout=5, max=100

server

Apache/2.4.39 (Unix) OpenSSL/1.0.2k-fips

Good Warning Issue

Email Infrastructure

Google Workspace

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (5)

alt1.aspmx.l.google.com

aspmx.l.google.com

alt2.aspmx.l.google.com

alt3.aspmx.l.google.com

+1 more

Domain Information

ganref.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.

52/100

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

3 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

LeagueGothic-Regular + Noto Sans JP

WCAG Partial

54/100

Readability

/30

16/30

15px · LH 1.70

Hierarchy

/20

6/20

WCAG

/25

17/25

1:1 min contrast

Performance

/25

15/25

2 fonts · 3 req

Heading Font

LeagueGothic-Regular

Sans

Body Font

Noto Sans JP

Sans15px

Contrast Ratio

1:1

8 issues

Reading Comfort

~43 CPL

Narrow lines

32px

15px

⚠️ Small text: 15px may strain on mobile. Use ≥16px for WCAG compliance.

⚠️ Hard to read: Flesch score 42/100. Simplify sentences for wider reach.

⚠️ Partial contrast: 8 elements below WCAG AA threshold (min 1.0:1).

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

✅ Lean font stack: 2 font families keeps load times fast.

⚠️ Missing font-display: swap — users may see invisible text while fonts load (FOIT).

Buy on MyFontsFlesch 42

Color Palette

6 unique colors

17.58:1 AAA Light

#ffffff

Background· 86.8%

#191919

Text· 9.4%

Business & Marketing Stack

8 Tools Detected

Enterprise

Behavior Analytics

Google Tag ManagerFree

Google AnalyticsFree

Microsoft ClarityFree

User behavior and product analytics

Advertising

Facebook PixelMid-Market

Twitter/X AdsMid-Market

Ad platforms and retargeting pixels

Social Media

Facebook SDKFree

Twitter/X WidgetsFree

Social widgets and sharing tools

A/B Testing & Optimization

VWO (Visual Website Optimizer)Mid-Market

Experimentation and conversion optimization

Sponsored

Scripts & Styles

26 Resources

Scripts

Styles

Async

Defer

Top Script Sources

api.ganref.jp(6)googletagmanager.com(3)local(2)connect.facebook.net(2)scripts.clarity.ms(1)

Website Identity

ganref.jp

Location detected: 🇯🇵 Japanvia tld

📧 Google Workspaceja

Social Profiles

Facebook X (Twitter)Instagram YouTube

Sponsored

Last analyzed: 19 May 2026 at 09:28

Historical Analysis & Change Tracking