ccsu.cn

https://ccsu.cn· First analyzed 15 May 2026· Updated 15 May 2026

Export

ccsu.cn

Mobile

Sponsored

Hosting Provider

China Unicom Hunan Province Network

IP Address

42.48.30.6

Site Location

🇨🇳 Chinavia tld

Server Location

🇨🇳 Changsha, China

ASN

AS4837

Server

Apache

Nameservers

vip3.alidns.com.vip4.alidns.com.

Performance

100

Core Web Vitals

Weight

First Contentful Paint

683 ms10%

Speed Index

888 ms10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

33.4 MB

149 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

China Unicom Hunan Province Network

Technology Stack

7 Technologies Detected

Libraries

jQuery

Animate.css

UI Components

Swiper Slick Carousel

Other

AOS (Animate On Scroll)

CSS Frameworks

Tailwind CSS

Web Servers

Apache

SEO Analysis

D45/100

Meta Tags4/15

Content10/12

Headings1/8

Technical11/21

E-E-A-T3/7

Images1/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile2/4

Indexability3/3

ccsu.cnccsu.cn

长沙学院

No description available for this page.

Title Length4 chars

Recommended: 50-60 chars (~24px / 580px)

Description Length0 chars

Recommended: 120-160 chars

Issues (3)

• Missing meta description — important for click-through rates in SERPs
• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (135/135) — critical for accessibility and SEO

12 issues found

Upgrade to view details

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

F37/100

Bot Access

20/25

Machine Read.

10/25

Schema Data

0/25

Citation

7/25

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

code blocksnav

Text ratio:4%

Words:400

Token eff.:Optimal

Sections/1K:147.5

Depth:2/5

Structured Data

No Schema

Citation Readiness

Opening Summary520w

Descriptive Headingsavg 1.2w

Canonical URL

Open Graph0/3

Twitter Card0/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (10)

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.

66/100

Passed

Critical

Warnings

Images & Alt Text

15/20

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

5/15

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.

4 recommendations

•Accessibility recommendation preview...

Upgrade to view recommendations

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.

18/100

4.23 g

CO₂e / view

33.4 MB

Page Weight

Cleaner Than

New Visitor

4.83 g

Returning (cached)

2.42 g

Annual (10K/mo)

507.5 kg

Emission Segments

Data Center

945 mg

Network

1.01 g

Device

2.27 g

Resource Breakdown

JavaScript

267.9 KB

Images

21.1 MB

CSS

12.1 MB

HTML

17.9 KB

Green Hosting Not Verified

China Unicom Hunan Province Network

6 recommendations

•Carbon footprint recommendation preview...

Upgrade to view recommendations

Security Score

66%Fair

Interactive

HTTPS

No WAF

132d

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

10.03.2026

Valid Until

24.09.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.ccsu.cnccsu.cn

SHA-256 Fingerprint

E9:16:8B:60:6E:96:E7:E6:75:06:6F:A9:70:FA:09:6B:55:8E:64:AC...

Top Recommendations

Security recommendation preview

Upgrade to view recommendations

Upgrade to view header details

HTTP Headers

Developer Console

accept-ranges

bytes

cache-control

🟡 600s(max-age=600)

content-encoding

📦 Gzip(gzip)

content-language

zh-CN

content-length

18052

content-type

text/html

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (2)

mxbiz1.qq.com

mxbiz2.qq.com

Domain Information

ccsu.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.

48/100

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,maximum-scale=1.0,user-scalable=0

5 recommendations

•Mobile compatibility recommendation preview...

Upgrade to view recommendations

Typography & Readability

Microsoft YaHei

WCAG Partial

58/100

Readability

/30

16/30

14px · LH 1.86

Hierarchy

/20

7/20

WCAG

/25

14/25

1:1 min contrast

Performance

/25

21/25

System fonts

Heading Font

Microsoft YaHei

Sans

Body Font

Microsoft YaHei

Sans14px

Contrast Ratio

1:1

11 issues

Reading Comfort

~48 CPL

Optimal (45–75)

16px

36px

16px

14px

Major Third

Scale

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

⚠️ Wide line spacing (1.86). 1.4–1.6 is optimal for body text.

✅ Optimal line length: ~48 chars/line (ideal 45–75 CPL).

⚠️ Partial contrast: 11 elements below WCAG AA threshold (min 1.0:1).

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

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

Buy on MyFonts

Color Palette

16 unique colors

Light

#c1c3bb

Other· 6.6%

#f4e9cf

Primary· 8.8%

#aa8a40

Secondary· 7.9%

#5b4d37

Secondary· 7.9%

#8b8f6c

Secondary· 7.3%

#3a4133

Text· 7%

#2d3127

Text· 7%

#5f644a

Secondary· 6.5%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

28 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(12)new_index(6)_sitegray(1)dcs.conac.cn(1)

Website Identity

ccsu.cn

Location detected: 🇨🇳 Chinavia tld

Sponsored

Last analyzed: 15 May 2026 at 11:43

Historical Analysis & Change Tracking