guosen.com.cn

https://guosen.com.cn· First analyzed 06 May 2026· Updated 06 May 2026

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guosen.com.cn

Mobile

Sponsored

Hosting Provider

Chinanet GD

IP Address

59.36.9.145

Site Location

🇨🇳 Chinavia tld

Server Location

🇨🇳 Shenzhen, China

ASN

AS4134

Organization

Chinanet GD

Server

Nginx

Nameservers

dns6.guosen.com.cn.dns.guosen.com.cn.dns5.guosen.com.cn.

Performance

Core Web Vitals

Weight

First Contentful Paint

3.0 s10%

Speed Index

3.9 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

788 KB

87 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

Chinanet GD

Technology Stack

4 Technologies Detected

Libraries

UI Components

CSS Frameworks

Web Servers

SEO Analysis

D47/100

Meta Tags12/15

Content9/12

Headings0/8

Technical8/21

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

guosen.com.cnguosen.com.cn

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Title Length33 chars

Recommended: 50-60 chars (~200px / 580px)

Description Length159 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (27/35) — critical for accessibility and SEO

10 issues found

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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

F29/100

Bot Access

20/25

Machine Read.

3/25

Schema Data

0/25

Citation

6/25

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:7%

Words:278

Token eff.:Too Short

Structured Data

No Schema

Citation Readiness

Opening Summary20w

Descriptive Headings

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...

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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.

36/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

3/20

Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.

Forms & Inputs

7/15

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

5/15

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.

34/100

97 mg

CO₂e / view

787.9 KB

Page Weight

80%

Cleaner Than

New Visitor

111 mg

Returning (cached)

56 mg

Annual (10K/mo)

11.7 kg

Emission Segments

Data Center

22 mg

Network

23 mg

Device

52 mg

Resource Breakdown

JavaScript

287.0 KB

Images

142.1 KB

CSS

313.8 KB

HTML

18.5 KB

Other

26.5 KB

Green Hosting Not Verified

Chinanet GD

5 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

0%Critical

No SSL

No WAF

N/A

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HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🔵 1 Days(max-age=86400)

connection

Keep-alive

content-length

18623

content-type

text/html

date

Wed, 06 May 2026 21:11:19 GMT

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (2)

mx.guosen.com.cn

smtp.guosen.com.cn

Domain Information

guosen.com.cn

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.

45/100

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

4 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

微软雅黑

WCAG Partial

51/100

Readability

/30

12/30

14px · LH 2.29

Hierarchy

/20

9/20

WCAG

/25

14/25

4.21:1 min contrast

Performance

/25

16/25

1 font

Heading Font

微软雅黑

Body Font

微软雅黑

Sans14px

Contrast Ratio

4.21:1

10 issues

Reading Comfort

Single Family

left aligned

14px

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

⚠️ Wide line spacing (2.29). 1.4–1.6 is optimal for body text.

⚠️ Partial contrast: 10 elements below WCAG AA threshold (min 4.2:1).

✅ 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

Light

#ffffff

Background· 38%

#519efa

Accent· 17%

#65acfb

Accent· 9.299999999999999%

#3f8ffb

Accent· 7.1%

#3b60d6

Primary· 6.6%

#2474cd

Accent· 6.1%

#5253db

Accent· 5.8%

#a5c7ec

Accent· 3.7%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

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Scripts & Styles

19 Resources

Scripts

Styles

Async

Defer

Top Script Sources

lib(4)common(3)local(2)www3.guosen.com.cn(1)hm.baidu.com(1)

Website Identity

guosen.com.cn

Location detected: 🇨🇳 Chinavia tld

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Last analyzed: 06 May 2026 at 21:12

Historical Analysis & Change Tracking