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bd.cn

https://bd.cn· First analyzed 28 May 2026· Updated 28 May 2026
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bd.cn
Desktop screenshot of bd.cn
Mobile screenshot of bd.cn
Mobile

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Hosting Provider

Alibaba Cloud
alibabacloud.com

IP Address

155.102.51.33

Site Location

🇨🇳 Chinavia tld

Server Location

🇩🇪 Frankfurt am Main, Germany

ASN

AS24429

Organization

Alibaba.com LLC

Server

ESA

Nameservers

kanchenjunga.ns.atrustdns.com.gambela.ns.atrustdns.com.

Performance

74

Core Web Vitals

Weight

First Contentful Paint
3.6 s10%
Speed Index
4.6 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
21.2 MB
169 requests

Image Optimization

WebPResponsive
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
Alibaba Cloud

Technology Stack

3 Technologies Detected

Libraries

1
jQuery

UI Components

1
Swiper

CSS Frameworks

1
Tailwind CSS

SEO Analysis

C60/100
15
10
1
Meta Tags10/15
Content11/12
Headings7/8
Technical15/25
E-E-A-T0/7
Images3/7
Links5/5
URL5/5
Social0/5
Freshness0/4
Mobile1/4
Indexability3/3
B
bd.cnbd.cn

BD资源整合商务平台 - 找甲方 - 找渠道 - 异业合作 - BD邦

BD邦是对接异业合作、市场商务合作、资源置换、地推网推等BD合作的商务合作平台，帮助企业找合作项目、找人脉、找渠道等，是市场、商务、互联网BD必备的网站，资源整合上BD邦。

Title Length35 chars

Recommended: 50-60 chars (~217px / 580px)

Description Length86 chars

Recommended: 120-160 chars

Issues (1)

  • • Missing viewport meta tag — page may not be mobile-friendly (Google uses mobile-first indexing)

11 issues found

Upgrade to view details

Crawlability

Sitemap

Type: standard

20,407 URLs

robots.txt

21 rules

Sitemap reference found

Local SEO

Local Search Readiness

8/100
Poor
2 13 2

This site doesn't appear to be a local business. Local SEO signals are optional for non-local websites.

Sponsored

AI & LLM Readiness

D45/100
Bot Access
20/25
Machine Read.
15/25
Schema Data
0/25
Citation
10/25

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.txtinvalid
llms-full.txt
Semantic HTML
Heading Hierarchy
Text ratio:8%
Words:2,370
Token eff.:Optimal
Sections/1K:6.8

Structured Data

No Schema

Citation Readiness

Opening Summary123w
Descriptive Headingsavg 1.5w
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...
Upgrade to view recommendations

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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
57/100
10
Passed
6
Critical
3
Warnings
Images & Alt Text
15/20
Checks if images have descriptive alt text for screen readers and visually impaired users.
Semantic Structure
11/20
Evaluates proper use of HTML5 semantic elements (header, nav, main, footer) and heading hierarchy.
Forms & Inputs
0/15
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
7/15
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.
3 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.
14/100
F
2.69 g
CO₂e / view
21.2 MB
Page Weight
5%
Cleaner Than
New Visitor
3.07 g
vs
Returning (cached)
1.54 g
Annual (10K/mo)
322.4 kg
Emission Segments
Data Center
600 mg
Network
645 mg
Device
1.44 g
Resource Breakdown
JavaScript
314.4 KB
Images
20.4 MB
CSS
417.0 KB
HTML
57.6 KB
Other
51.6 KB
Green Hosting Not Verified
Alibaba Cloud
8 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

0%Critical
Critical / Transactional

HTTPS

No WAF

142d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

Sectigo Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

17.10.2025

Valid Until

17.10.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.bd.cnbd.cn

SHA-256 Fingerprint

4A:2D:F8:A1:A9:22:E1:7D:4D:54:78:C3:BB:7D:FF:54:7B:67:5C:F1...

Top Recommendations

Security recommendation preview

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Upgrade to view header details

HTTP Headers

Developer Console

cache-control
🔴 No Cache(no-cache)
connection
keep-alive
content-encoding
📦 Gzip(gzip)
content-type
text/html; charset=UTF-8
date
Thu, 28 May 2026 21:55:20 GMT
eagleid
a3b5429c17800053187434393e
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

50

SPF
DKIM
DMARC

MX Records (2)

mx1.yunyou.top
mx2.yunyou.top

Domain Information

bd.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.
D
43/100
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

Helvetica Neue

WCAG Partial
56/100
Readability
/30
14/30

12px · LH 1.33

Hierarchy
/20
9/20

1.17x ratio

WCAG
/25
14/25

2.69:1 min contrast

Performance
/25
19/25

System fonts

Heading Font

Helvetica Neue

Sans14px

Body Font

Helvetica Neue

Sans12px

Contrast Ratio

2.69:1

23 issues

Reading Comfort

~77 CPL

Wide lines
14px
h1
18px
h2
15px
h4
12px
p
Minor Second
Scale

❌ Critical: 12px body text is too small. Minimum 14px, recommend 16px+.

⚠️ Tight line spacing (1.33). Increase to 1.4–1.6 for better readability.

⚠️ Wide lines: ~77 chars/line. Use max-width: 65ch for comfortable reading.

✅ Easy to read: Flesch score 100/100 — accessible to general audiences.

⚠️ Partial contrast: 23 elements below WCAG AA threshold (min 2.7:1).

⚠️ Minor heading issue: 1 level skip(s) detected. Maintain sequential order for screen readers.

Flesch 100

Color Palette

9 unique colors
2.12:1 Fail Light
#b2b2b2
Other· 52%
#ffffff
Text· 9.8%
#24bc97
Primary· 7.2%
#29514e
Secondary· 6.6%
#498c78
Secondary· 4.4%
#a3666a
Secondary· 4.3%

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

28 Resources

19
Scripts
9
Styles
0
Async
0
Defer

Top Script Sources

local(18)hm.baidu.com(1)

Website Identity

bd.cn

Location detected: 🇨🇳 Chinavia tld
en

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Last analyzed: 28 May 2026 at 21:56

Historical Analysis & Change Tracking