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nenzhu.com

https://nenzhu.com· First analyzed 17 May 2026· Updated 17 May 2026
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nenzhu.com
Desktop screenshot of nenzhu.com
Mobile screenshot of nenzhu.com
Mobile

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Hosting Provider

Chinanet SH

IP Address

101.226.241.36

Site Location

🇨🇳 Chinavia ip

Server Location

🇨🇳 Shanghai, China

ASN

AS4811

Organization

Chinanet SH

Server

Nginx

Nameservers

ns1.myhostadmin.net.ns2.myhostadmin.net.

Performance

78

Core Web Vitals

Weight

First Contentful Paint
2.5 s10%
Speed Index
3.3 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
755 KB
42 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Chinanet SH

Technology Stack

3 Technologies Detected

Libraries

1
jQueryv1.10.2

CSS Frameworks

1
Tailwind CSS

Web Servers

1
Nginx

SEO Analysis

D45/100
11
11
3
Meta Tags12/15
Content10/12
Headings1/8
Technical7/25
E-E-A-T0/7
Images1/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile1/4
Indexability3/3
N
nenzhu.comnenzhu.com

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Title Length44 chars

Recommended: 50-60 chars (~268px / 580px)

Description Length96 chars

Recommended: 120-160 chars

Issues (3)

  • • Missing H1 tag — every page should have exactly one H1
  • • Most images missing alt text (9/10) — critical for accessibility and SEO
  • • Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

14 issues found

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Local SEO

Local Search Readiness

0/100
Poor
15 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

F25/100
Bot Access
20/25
Machine Read.
2/25
Schema Data
0/25
Citation
3/25

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
blockquotesdef. lists
Text ratio:5%
Words:281
Token eff.:Too Short
Sections/1K:14.2
Depth:2/5

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.
D
44/100
5
Passed
7
Critical
1
Warnings
Images & Alt Text
5/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
4/20
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.
5 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.
33/100
B
93 mg
CO₂e / view
755.0 KB
Page Weight
80%
Cleaner Than
New Visitor
107 mg
vs
Returning (cached)
53 mg
Annual (10K/mo)
11.2 kg
Emission Segments
Data Center
21 mg
Network
22 mg
Device
50 mg
Resource Breakdown
JavaScript
189.8 KB
Images
217.5 KB
CSS
311.2 KB
HTML
36.5 KB
Green Hosting Not Verified
Chinanet SH
5 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

21%Critical
Interactive

HTTPS

No WAF

27d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

DigiCert Inc

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/1.1

Valid From

14.03.2026

Valid Until

13.06.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

nenzhu.comwww.nenzhu.com

SHA-256 Fingerprint

4A:E1:9D:5B:E1:4F:1A:7C:CC:1B:DB:FB:DF:7E:78:EC:AF:FC:35:DA...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

connection
keep-alive
content-type
text/html
date
Sun, 17 May 2026 18:16:48 GMT
server
nginx
transfer-encoding
chunked
set-cookie
_d_id
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

0

SPF
DKIM
DMARC

Domain Information

nenzhu.com

Domain Age
16y 3m

Created

08.02.2010

Expires

08.02.2027

Last Updated

05.01.2026

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.
F
29/100
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.
3 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Arial

WCAG Partial
61/100
Readability
/30
20/30

20px · LH 1.35

Hierarchy
/20
7/20
WCAG
/25
14/25

1.78:1 min contrast

Performance
/25
20/25

System fonts

Heading Font

Arial

Sans

Body Font

Arial

Sans20px

Contrast Ratio

1.78:1

16 issues

Reading Comfort

Single Font Family

left aligned
16px
h3
18px
h4
20px
p
Major Second
Scale

✅ Excellent readability: 20px body text is ideal for all devices.

⚠️ Tight line spacing (1.35). Increase to 1.4–1.6 for better readability.

⚠️ Partial contrast: 16 elements below WCAG AA threshold (min 1.8:1).

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

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

Color Palette

7 unique colors
4.44:1 AA Large Light
#ffffff
Background· 56.6%
#817573
Other· 3.4%
#f7ffdf
Primary· 17.599999999999998%
#17a06d
Accent· 8.6%
#d1cec0
Secondary· 6%
#d3f18f
Accent· 4.1%
#62bc6a
Secondary· 3.6%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

1
Google AnalyticsFree

User behavior and product analytics

1

Categories

1

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

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Scripts & Styles

8 Resources

6
Scripts
2
Styles
0
Async
0
Defer

Top Script Sources

template(5)cpro.baidustatic.com(1)

Website Identity

nenzhu.com

16 years old
Location detected: 🇨🇳 Chinavia ip
Bizcn.com, Inc.

Sponsored

Last analyzed: 17 May 2026 at 18:17

Historical Analysis & Change Tracking

nenzhu.com Technology Stack - Built With jQuery, Tailwind CSS, Nginx | StackOptic | StackOptic