unext.co.jp

https://unext.co.jp· First analyzed 22 May 2026· Updated 22 May 2026

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unext.co.jp

Mobile

Sponsored

Hosting Provider

U-NEXT Co., Ltd

IP Address

103.140.112.141

Site Location

🇯🇵 Japanvia tld

Server Location

🇯🇵 Shinagawa, Japan

ASN

AS139255

Organization

U-NEXT Co., Ltd

Server

Vercel

Nameservers

unext-ns11.nxtsvc.com.unext-ns10.nxtsvc.com.unext-ns12.nxtsvc.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

840 ms10%

Speed Index

1.1 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

554 KB

54 requests

0–49

50–89

90–100

Architecture Stack

JAMstack

⚡ SSG

Decoupled

Frontend

Framework

Next.js

API

Data Source

Headless CMS

Prismic

Infrastructure

Platform

Vercel

Detected API Sources

https://images.prismic.io/unex...https://images.prismic.io/unex...

Technology Stack

6 Technologies Detected

Analytics

Meta Frameworks

CSS Frameworks

Fonts

Platforms

SEO Analysis

D58/100

Meta Tags7/15

Content6/12

Headings8/8

Technical15/21

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social4/5

Freshness0/4

Mobile4/4

Indexability3/3

unext.co.jpunext.co.jp

U-NEXT コーポレート

日本におけるSVOD(定額制動画配信)サービスのパイオニア、U-NEXTのコーポレートサイト。ビジネスパートナー様向けの情報を中心に、U-NEXTに関する最新情報をお届けします。

Title Length13 chars

Recommended: 50-60 chars (~80px / 580px)

Description Length89 chars

Recommended: 120-160 chars

Issues (1)

• Most images missing alt text (17/25) — critical for accessibility and SEO

8 issues found

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Local SEO

Local Search Readiness

13/100

Poor

4 12 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.

7/25

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

navheader/footer

Text ratio:3%

Words:136

Token eff.:Too Short

Sections/1K:88.2

Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headingsavg 2w

Canonical URL

Open Graph3/3

Twitter Card1/3

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.

88/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

20/20

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.

1 recommendation

•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.

52/100

69 mg

CO₂e / view

553.5 KB

Page Weight

80%

Cleaner Than

New Visitor

78 mg

Returning (cached)

39 mg

Annual (10K/mo)

8.2 kg

Emission Segments

Data Center

15 mg

Network

16 mg

Device

37 mg

Resource Breakdown

JavaScript

128.7 KB

Images

364.0 KB

CSS

5.6 KB

Fonts

782 B

HTML

22.0 KB

Other

32.6 KB

Green Hosting Not Verified

U-NEXT Co., Ltd

4 recommendations

•Carbon footprint recommendation preview...

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Security Score

76%Good

Static / Informational

HTTPS

No WAF

73d

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

06.05.2026

Valid Until

04.08.2026

Subject Alternative Names (1)

www.unext.co.jp

SHA-256 Fingerprint

AA:CF:8C:7A:1C:F9:0C:99:C3:63:7A:84:A4:59:F4:7F:1F:80:62:B6...

Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

age

cache-control

🟡 0s(public, max-age=0, must-revalidate)

content-encoding

⚡ Brotli(br)

content-type

text/html; charset=utf-8

date

Thu, 21 May 2026 03:00:39 GMT

etag

W/"16752aj72wi1lp4"

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (1)

p-mx01.unext-info.jp

Domain Information

unext.co.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.

56/100

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, user-scalable=no, initial-scale=1.0

2 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

-apple-system

WCAG Partial

79/100

Readability

/30

18/30

16px · LH 1.60

Hierarchy

/20

20/20

2.71x ratio · ✓ H1→H6

WCAG

/25

19/25

1:1 min contrast

Performance

/25

22/25

System fonts

Heading Font

-apple-system

Sans43px

Body Font

-apple-system

Sans16px

Contrast Ratio

1:1

1 issue

Reading Comfort

~39 CPL

Narrow lines

43px

34px

18px

16px

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

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

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

✅ Perfect heading hierarchy: Sequential h1→h2→h3 with single H1 — ideal for SEO & accessibility.

✅ Strong hierarchy: Headlines are 2.7x larger than body text.

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

GGoogle Fonts

Color Palette

9 unique colors

3.8:1 AA Large Light

#ffffff

Background· 15.2%

#7c848b

Other· 12.7%

#c8d0d8

Primary· 31.9%

#98a5af

Secondary· 9.4%

#acb3bc

Secondary· 7.3%

#6f4843

Secondary· 4.4%

#e7e9ed

Secondary· 3.5%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(16)googletagmanager.com(2)google-analytics.com(1)

Website Identity

unext.co.jp

Location detected: 🇯🇵 Japanvia tld

Social Profiles

Facebook X (Twitter)Instagram LinkedIn YouTube TikTok

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Last analyzed: 22 May 2026 at 17:56

Historical Analysis & Change Tracking