yjkfw.com

https://yjkfw.com· First analyzed 18 May 2026· Updated 18 May 2026

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yjkfw.com

Mobile

Sponsored

Hosting Provider

CloudRadium L.L.C

IP Address

23.225.26.52

Site Location

🇺🇸 United Statesvia ip

Server Location

🇺🇸 Los Angeles, United States

ASN

AS40065

Organization

CloudRadium L.L.C

Server

Nginx

Nameservers

b.share-dns.net.a.share-dns.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

872 ms10%

Speed Index

1.1 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

1.3 MB

32 requests

Image Optimization

Lazy LoadWebP

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

CloudRadium L.L.C

Technology Stack

4 Technologies Detected

Libraries

CSS Frameworks

Icon Libraries

Web Servers

SEO Analysis

D53/100

Meta Tags5/15

Content8/12

Headings1/8

Technical16/25

E-E-A-T0/7

Images6/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

yjkfw.comyjkfw.com

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Title Length24 chars

Recommended: 50-60 chars (~148px / 580px)

Description Length68 chars

Recommended: 120-160 chars

Issues (1)

• Missing H1 tag — every page should have exactly one H1

9 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

robots.txt

2 rules

Allows all crawlers

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

F34/100

Bot Access

20/25

Machine Read.

9/25

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.txtinvalid

llms-full.txt

Semantic HTML

Heading Hierarchy

header/footer

Text ratio:3%

Words:176

Token eff.:Too Short

Sections/1K:51.1

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 (11)

AI readiness recommendation preview...

Upgrade to view recommendations

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.

67/100

Passed

Critical

Warnings

Images & Alt Text

20/20

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

Semantic Structure

13/20

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

0/15

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.

46/100

161 mg

CO₂e / view

1.3 MB

Page Weight

70%

Cleaner Than

New Visitor

184 mg

Returning (cached)

92 mg

Annual (10K/mo)

19.3 kg

Emission Segments

Data Center

36 mg

Network

39 mg

Device

86 mg

Resource Breakdown

JavaScript

58.7 KB

Images

1.2 MB

CSS

17.1 KB

HTML

6.6 KB

Green Hosting Not Verified

CloudRadium L.L.C

5 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

36%Critical

Interactive

HTTPS

No WAF

85d

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

14.05.2026

Valid Until

12.08.2026

Subject Alternative Names (2)

*.yjkfw.comyjkfw.com

SHA-256 Fingerprint

96:93:F2:88:B9:4C:38:31:DD:4F:B1:FF:63:8C:56:8D:15:C5:1D:8F...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

content-encoding

📦 Gzip(gzip)

content-type

text/html;charset=utf-8

date

Mon, 18 May 2026 19:18:29 GMT

server

nginx

strict-transport-security

max-age=31536000

vary

Accept-Encoding

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

Domain Information

yjkfw.com

Domain Age

14y 3m

Created

31.01.2012

Expires

31.01.2028

Last Updated

13.05.2026

Registrar

Gname.com Pte. Ltd.

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.

53/100

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, user-scalable=no

3 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Microsoft YaHei

WCAG AA

65/100

Readability

/30

20/30

14px · LH 1.60

Hierarchy

/20

8/20

WCAG

/25

21/25

5.63:1 min contrast

Performance

/25

16/25

1 font

Heading Font

Microsoft YaHei

Sans

Body Font

Microsoft YaHei

Sans14px

Contrast Ratio

5.63:1

WCAG AA (≥4.5:1)

Reading Comfort

~43 CPL

Narrow lines

24px

16px

14px

⚠️ Small text: 14px may strain on mobile. Use ≥16px for WCAG compliance.

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

✅ WCAG AA contrast: All text meets 4.5:1 ratio (min 5.6:1).

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

✅ 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

9 unique colors

3.43:1 AA Large Dark

#141414

Text· 45.1%

#6d6a67

Other· 7.2%

#997778

Secondary· 7.3%

#060302

Primary· 6.9%

#f3f0ec

Secondary· 6.7%

#bbaca3

Secondary· 5.3%

#7a4c4f

Secondary· 4%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

13 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(5)#(1)s9.cnzz.com(1)c.cnzz.com(1)

Website Identity

yjkfw.com

14 years old

Location detected: 🇺🇸 United Statesvia ip

Gname.com Pte. Ltd.zh-CN

Sponsored

Last analyzed: 18 May 2026 at 19:19

Historical Analysis & Change Tracking