njyhgjg.com

https://njyhgjg.com· First analyzed 29 May 2026· Updated 29 May 2026

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njyhgjg.com

Mobile

Sponsored

Hosting Provider

Chengdu west dimension digital technology Co., LTD

IP Address

211.149.243.73

Site Location

🇨🇳 Chinavia ip

Server Location

🇨🇳 Haidian, China

ASN

AS38283

Organization

Chengdu west dimension digital technology Co., LTD

Server

wts

Performance

Core Web Vitals

Weight

First Contentful Paint

2.0 s10%

Speed Index

2.5 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

12.7 MB

57 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Chengdu west dimension digital technology Co., LTD

Technology Stack

4 Technologies Detected

Libraries

UI Components

Icon Libraries

SEO Analysis

D45/100

Meta Tags8/15

Content8/12

Headings1/8

Technical8/21

E-E-A-T3/7

Images1/7

Links4/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

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Title Length31 chars

Recommended: 50-60 chars (~192px / 580px)

Description Length59 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (28/37) — critical for accessibility and SEO

14 issues found

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Local SEO

Local Search Readiness

7/100

Poor

2 13 2

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

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AI & LLM Readiness

F27/100

Bot Access

20/25

Machine Read.

2/25

Schema Data

0/25

Citation

5/25

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:2%

Words:149

Token eff.:Too Short

Sections/1K:13.4

Depth:1/5

Structured Data

No Schema

Citation Readiness

Opening Summary

Descriptive Headingsavg 1w

Canonical URL

Open Graph0/3

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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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.

51/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

6/20

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

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.

16/100

1.61 g

CO₂e / view

12.7 MB

Page Weight

Cleaner Than

New Visitor

1.84 g

Returning (cached)

922 mg

Annual (10K/mo)

193.5 kg

Emission Segments

Data Center

360 mg

Network

387 mg

Device

866 mg

Resource Breakdown

JavaScript

123.3 KB

Images

12.3 MB

CSS

356.4 KB

HTML

8.5 KB

Green Hosting Not Verified

Chengdu west dimension digital technology Co., LTD

6 recommendations

•Carbon footprint recommendation preview...

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Security Score

76%Good

Static / Informational

HTTPS

No WAF

23d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

22.03.2026

Valid Until

21.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

njyhgjg.comwww.njyhgjg.com

SHA-256 Fingerprint

2E:B4:C5:4C:0B:3B:9B:6B:C8:F4:62:3E:26:65:13:28:00:2A:0B:30...

Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-length

8395

content-security-policy

upgrade-insecure-requests

content-type

text/html

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

njyhgjg.com

Domain Age

11y 11m

Created

12.06.2014

Expires

12.06.2026

Last Updated

09.06.2025

Registrar

Bizcn.com, Inc.

DNSSEC

Not Enabled

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.

40/100

Not 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, user-scalable=0, minimum-scale=1.0, maximum-scale=1.0

4 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

微软雅黑

WCAG Partial

58/100

Readability

/30

20/30

24px · LH 1.29

Hierarchy

/20

9/20

WCAG

/25

14/25

1.99:1 min contrast

Performance

/25

15/25

1 font · 1 req

Heading Font

微软雅黑

Sans

Body Font

微软雅黑

Sans24px

Contrast Ratio

1.99:1

22 issues

Reading Comfort

Single Font Family

left aligned

22px

24px

✅ Excellent readability: 24px body text is ideal for all devices.

⚠️ Tight line spacing (1.29). Increase to 1.4–1.6 for better readability.

⚠️ Partial contrast: 22 elements below WCAG AA threshold (min 2.0:1).

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

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

Buy on MyFonts

Color Palette

10 unique colors

7.92:1 AAA Light

#ffffff

Background· 15.999999999999998%

#515249

Other· 4.3%

#1b1d17

Primary· 20.1%

#2b2e23

Secondary· 17.8%

#1fa9e5

Accent· 7.4%

#5c8798

Secondary· 1.3%

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Scripts & Styles

21 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(6)js(5)hm.baidu.com(2)goutong.baidu.com(1)

Website Identity

njyhgjg.com

15715196420

11 years old

Location detected: 🇨🇳 Chinavia ip

Bizcn.com, Inc.

Sponsored

Last analyzed: 29 May 2026 at 09:13

Historical Analysis & Change Tracking