shanghaiopen.org.cn

https://shanghaiopen.org.cn· First analyzed 01 May 2026· Updated 01 May 2026

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shanghaiopen.org.cn

Mobile

Sponsored

Hosting Provider

Tencent Cloud

cloud.tencent.com

IP Address

42.192.127.108

Site Location

🇨🇳 Chinavia tld

Server Location

🇨🇳 Shanghai, China

ASN

AS45090

Organization

Tencent cloud computing (Beijing) Co., Ltd.

Server

Nginx

Nameservers

dns23.hichina.com.dns24.hichina.com.

Performance

Core Web Vitals

Weight

First Contentful Paint

5.3 s10%

Speed Index

6.9 s10%

Largest Contentful Paint

—25%

Total Blocking Time

0.0 ms30%

Cumulative Layout Shift

0.00025%

1.5 MB

60 requests

Image Optimization

Lazy LoadResponsive

0–49

50–89

90–100

Architecture Stack

Monolithic

⚙️ SSR

WordPressv6.9.4

cms

Blocksyv2.1.37

by CreativeThemes

View Theme

Technology Stack

15 Technologies Detected

Plugins

Stackable Ultimate Gutenberg Blocks

The Events Calendar Event Tickets

Contact Form 7

Blocksy Companion Team Showcase Supreme Autohan

Libraries

CSS Frameworks

Fonts

Web Servers

SEO Analysis

B76/100

Meta Tags10/15

Content8/12

Headings3/8

Technical25/25

E-E-A-T2/7

Images3/7

Links5/5

URL5/5

Social4/5

Freshness4/4

Mobile4/4

Indexability3/3

shanghaiopen.org.cnshanghaiopen.org.cn

首页 (en translation) - 上海开源信息技术协会

Shanghai Open Source Information Technology Association, a 3A-level social organization of Shanghai civil affairs, roots in Shanghai and serves China. It pro...

Description truncated.

Title Length32 chars

Recommended: 50-60 chars (~194px / 580px)

Description Length518 chars

Recommended: 120-160 chars

Issues (2)

• Missing H1 tag — every page should have exactly one H1
• Most images missing alt text (3/5) — critical for accessibility and SEO

8 issues found

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Crawlability

Sitemap

Type: index

8 URLs

8 sub-sitemaps

robots.txt

3 rules

Sitemap reference found

Allows all crawlers

Local SEO

Local Search Readiness

23/100

Needs Work

7 11

Sponsored

AI & LLM Readiness

D47/100

Bot Access

20/25

Machine Read.

4/25

Schema Data

7/25

Citation

16/25

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

nav

Text ratio:2%

Words:255

Token eff.:Too Short

Sections/1K:19.6

Depth:1/5

Structured Data

4 JSON-LD

Organization×1.1WebSiteBreadcrumbListSearchAction

Citation Readiness

Opening Summary27w

Descriptive Headingsavg 2.8w

Canonical URL

Open Graph2/3

Twitter Card1/3

Language Tag

Publish Date

Author Info

Lists

Tables

TL;DR / Summary

About Page Link

Recommendations (8)

AI readiness recommendation preview...

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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.

81/100

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

13/15

Ensures all interactive elements are reachable and operable via keyboard (tab, enter, escape).

ARIA & Roles

10/15

Checks correct use of WAI-ARIA attributes (roles, states, properties) for assistive technologies.

2 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.

44/100

184 mg

CO₂e / view

1.5 MB

Page Weight

60%

Cleaner Than

New Visitor

211 mg

Returning (cached)

105 mg

Annual (10K/mo)

22.1 kg

Emission Segments

Data Center

41 mg

Network

44 mg

Device

99 mg

Resource Breakdown

JavaScript

117.5 KB

Images

926.0 KB

CSS

267.9 KB

Fonts

151.2 KB

HTML

28.1 KB

Green Hosting Not Verified

Tencent Cloud

5 recommendations

•Carbon footprint recommendation preview...

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Security Score

26%Critical

Interactive

HTTPS

No WAF

73d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Let's Encrypt

Key Algorithm

ECDSA (secp256r1) (256 bit)

Signature

ECDSA with SHA-384

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

14.04.2026

Valid Until

13.07.2026

Subject Alternative Names (2)

shanghaiopen.org.cnwww.shanghaiopen.org.cn

SHA-256 Fingerprint

F7:6C:31:F7:3C:10:AB:A6:89:5B:1C:9B:01:42:CB:DA:FC:C8:A9:8D...

Top Recommendations

Security recommendation preview

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HTTP Headers

Developer Console

connection

keep-alive

content-encoding

📦 Gzip(gzip)

content-type

text/html; charset=UTF-8

date

Fri, 01 May 2026 16:19:09 GMT

link

<https://shanghaiopen.org.cn/>; rel=shortlink

permissions-policy

private-state-token-redemption=(self "https://www.google.com...

Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

SPF

DKIM

DMARC

MX Records (3)

mx1.feishu.cn

mx2.feishu.cn

mx3.feishu.cn

Domain Information

shanghaiopen.org.cn

DNSSEC

Not Enabled

Privacy & Compliance

Cookie Consent Banner

GDPR Indicators

Cookie consent banner detected

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.

79/100

Mobile Friendly8 breakpoints

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, maximum-scale=5, viewport-fit=cover

1 recommendation

•Mobile compatibility recommendation preview...

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Typography & Readability

Noto Sans SC

WCAG Partial

61/100

Readability

/30

18/30

16px · LH 1.65

Hierarchy

/20

6/20

WCAG

/25

17/25

1:1 min contrast

Performance

/25

20/25

1 font · 1 req

Heading Font

Noto Sans SC

Sans

Body Font

Noto Sans SC

Sans16px

Contrast Ratio

1:1

16 issues

Reading Comfort

Single Font Family

left aligned

35px

18px

16px

✅ Excellent readability: 16px body text is ideal for all devices.

❌ Very complex text: Flesch score 8/100. Consider shorter sentences and simpler words.

⚠️ Partial contrast: 16 elements below WCAG AA threshold (min 1.0:1).

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

✅ Modern fluid typography: clamp() with rem units ensures zoom accessibility (WCAG 1.4.4).

✅ Lean font stack: 1 font families keeps load times fast.

GGoogle Fonts Buy on MyFontsFluid Type (rem)Flesch 8

Color Palette

13 unique colors

2.08:1 Fail Dark

#695f67

Other· 10.4%

#363138

Other· 5.9%

#ecf2f8

Background· 25.9%

#48536b

Secondary· 8.3%

#fefffe

Primary· 8%

#051320

Accent· 6.3%

#37455c

Secondary· 4.9%

#664f54

Secondary· 4.6%

Business & Marketing Stack

1 Tools Detected

Growing

Behavior Analytics

Google AnalyticsFree

User behavior and product analytics

Sponsored

Scripts & Styles

30 Resources

Scripts

Styles

Async

Defer

Top Script Sources

shanghaiopen.org.cn(18)analytics.shanghaiopen.org.cn(1)stats.wp.com(1)

Website Identity

上海开源信息技术协会

Organization

Shanghai Open Source Information Technology Association, a 3A-level social organization of Shanghai civil affairs, roots in Shanghai and serves China. It promotes open source innovation and China's technological influence, releasing cutting-edge open source news and 2025 typical practice cases on it

xiehui@shanghaiopen.org.cn

shanghaiopen.org.cn/en/shanghai-open-source-information-technology-association/

Location detected: 🇨🇳 Chinavia tld

en-US

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Last analyzed: 01 May 2026 at 16:19

Historical Analysis & Change Tracking