shanghaitech.edu.cn

https://shanghaitech.edu.cn· First analyzed 07 May 2026· Updated 07 May 2026

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shanghaitech.edu.cn

Mobile

Sponsored

Hosting Provider

CSTNET's IP

IP Address

119.78.254.67

Site Location

🇨🇳 Chinavia tld

Server Location

🇨🇳 Haidian, China

ASN

AS7497

Organization

CSTNET's IP

Server

Nginx

Nameservers

dns3.shanghaitech.edu.cn.

Performance

Core Web Vitals

Weight

First Contentful Paint

2.4 s10%

Speed Index

3.2 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

8.9 MB

52 requests

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

Infrastructure

Hosting

CSTNET's IP

Technology Stack

3 Technologies Detected

Libraries

jQuery

CSS Frameworks

Tailwind CSS

Web Servers

Nginx

SEO Analysis

D45/100

Meta Tags5/15

Content10/12

Headings3/8

Technical9/21

E-E-A-T0/7

Images1/7

Links5/5

URL5/5

Social0/5

Freshness0/4

Mobile4/4

Indexability3/3

shanghaitech.edu.cnshanghaitech.edu.cn

上海科技大学

Title Length6 chars

Recommended: 50-60 chars (~37px / 580px)

Description Length6 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (13/13) — critical for accessibility and SEO

12 issues found

Upgrade to view details

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

F34/100

Bot Access

20/25

Machine Read.

7/25

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

Text ratio:3%

Words:342

Token eff.:Optimal

Sections/1K:17.5

Structured Data

No Schema

Citation Readiness

Opening Summary67w

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.

41/100

Passed

Critical

Warnings

Images & Alt Text

5/20

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

Semantic Structure

4/20

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

12/15

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

4/15

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.

15/100

1.13 g

CO₂e / view

8.9 MB

Page Weight

Cleaner Than

New Visitor

1.29 g

Returning (cached)

644 mg

Annual (10K/mo)

135.3 kg

Emission Segments

Data Center

252 mg

Network

271 mg

Device

605 mg

Resource Breakdown

JavaScript

66.6 KB

Images

7.4 MB

CSS

1.4 MB

HTML

10.4 KB

Other

1.4 KB

Green Hosting Not Verified

CSTNET's IP

7 recommendations

•Carbon footprint recommendation preview...

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A+

Security Score

95%Excellent

Interactive

HTTPS

No WAF

10d

Certificate Details

Type

Organization Validated (OV)

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

16.04.2025

Valid Until

17.05.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.shanghaitech.edu.cnshanghaitech.edu.cn

SHA-256 Fingerprint

33:A2:DA:97:F5:16:51:FE:04:A1:E0:DB:92:F4:C1:DD:2C:16:7A:D7...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

accept-ranges

bytes

access-control-allow-origin

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-length

10326

content-security-policy

frame-ancestors 'self'; default-src * 'unsafe-inline' 'unsaf...

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

DMARC Policy

None (Monitor Only)

MX Records (3)

mx.shanghaitech.edu.cn

cnmailmx.shanghaitech.edu.cn

mx1.shanghaitech.edu.cn

Domain Information

shanghaitech.edu.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.

46/100

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=0,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0

5 recommendations

•Mobile compatibility recommendation preview...

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Typography & Readability

Microsoft YaHei + Arial

WCAG Partial

60/100

Readability

/30

17/30

14px · LH 1.40

Hierarchy

/20

7/20

WCAG

/25

14/25

1.29:1 min contrast

Performance

/25

22/25

System fonts

Heading Font

Microsoft YaHei

Sans

Body Font

Arial

Sans14px

Contrast Ratio

1.29:1

4 issues

Reading Comfort

Dual Sans-Serif

left aligned

26px

18px

14px

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

✅ Optimal line spacing: 1.40 ratio (ideal range 1.4–1.6).

⚠️ Partial contrast: 4 elements below WCAG AA threshold (min 1.3:1).

❌ 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

10 unique colors

3.04:1 AA Large Light

#ffffff

Background· 27.299999999999997%

#8a9790

Other· 6.8%

#caad97

Primary· 16.3%

#a40716

Accent· 14.6%

#a6b3a1

Secondary· 12.9%

#21140e

Secondary· 7.3%

#776857

Secondary· 6.6%

#b2847a

Secondary· 3%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

24 Resources

Scripts

Styles

Async

Defer

Top Script Sources

local(14)

Website Identity

shanghaitech.edu.cn

Location detected: 🇨🇳 Chinavia tld

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Last analyzed: 07 May 2026 at 01:34

Historical Analysis & Change Tracking