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blyun.com

https://blyun.com· First analyzed 17 May 2026· Updated 17 May 2026
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blyun.com
Desktop screenshot of blyun.com
Mobile screenshot of blyun.com
Mobile

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Hosting Provider

WLWM Communication Tech. co.

IP Address

42.62.107.229

Site Location

🇨🇳 Chinavia ip

Server Location

🇨🇳 Beijing, China

ASN

AS23724

Organization

WLWM Communication Tech. co.

Nameservers

ns3.5read.com.ns1.5read.com.ns2.5read.com.

Performance

73

Core Web Vitals

Weight

First Contentful Paint
13.9 s10%
Speed Index
18.1 s10%
Largest Contentful Paint
—25%
Total Blocking Time
0.0 ms30%
Cumulative Layout Shift
0.00025%
71 KB
21 requests
0–49
50–89
90–100

Architecture Stack

Monolithic
⚙️ SSR
Infrastructure
Hosting
WLWM Communication Tech. co.

Technology Stack

1 Technologies Detected

Libraries

1
jQueryv3.6.0

SEO Analysis

F32/100
9
10
4
Meta Tags4/15
Content4/12
Headings0/8
Technical10/25
E-E-A-T0/7
Images1/7
Links4/5
URL5/5
Social0/5
Freshness0/4
Mobile1/4
Indexability3/3
B
blyun.comblyun.com

百链学术搜索

No description available for this page.

Title Length6 chars

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

Description Length0 chars

Recommended: 120-160 chars

Issues (4)

  • • Missing meta description — important for click-through rates in SERPs
  • • Very thin content (23 words). Search engines need substantial content for ranking.
  • • Missing H1 tag — every page should have exactly one H1

14 issues found

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Crawlability

Sitemap
robots.txt

2 rules

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.

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AI & LLM Readiness

F5/100
Bot Access
3/25
Machine Read.
1/25
Schema Data
0/25
Citation
1/25

AI Bot Access

0/14 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:1%
Words:22
Token eff.:Too Short

Structured Data

No Schema

Citation Readiness

Opening Summary
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 (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.
F
39/100
3
Passed
7
Critical
2
Warnings
Images & Alt Text
10/20
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
3/15
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
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.
51/100
A+
9 mg
CO₂e / view
71.3 KB
Page Weight
95%
Cleaner Than
New Visitor
10 mg
vs
Returning (cached)
5 mg
Annual (10K/mo)
1.1 kg
Emission Segments
Data Center
2 mg
Network
2 mg
Device
5 mg
Resource Breakdown
JavaScript
50.3 KB
Images
4.3 KB
CSS
11.3 KB
HTML
5.5 KB
Green Hosting Not Verified
WLWM Communication Tech. co.
5 recommendations
  • •Carbon footprint recommendation preview...
Upgrade to view recommendations
F

Security Score

0%Critical
Critical / Transactional

HTTPS

No WAF

217d

Certificate Details

Type

Domain Validated (DV)

Certificate Authority

WoTrus CA Limited

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.3

HTTP Protocol

HTTP/1.1

Valid From

20.11.2025

Valid Until

20.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.blyun.comblyun.com

SHA-256 Fingerprint

D7:1B:78:D4:2B:C9:60:35:AB:5A:52:00:FD:EB:31:F0:F6:56:E0:50...

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
Sun, 17 May 2026 13:35:31 GMT
strict-transport-security
max-age=31536000; includeSubDomains
transfer-encoding
chunked
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

20

SPF
DKIM
DMARC

MX Records (2)

mail.aichaoxing.com
mail.aichaoxing.com

Domain Information

blyun.com

Domain Age
15y 8m

Created

30.08.2010

Expires

30.08.2026

Last Updated

03.07.2025

Registrar

Alibaba Cloud Computing (Beijing) Co., Ltd.

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
47/100
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, user-scalable=no
3 recommendations
  • •Mobile compatibility recommendation preview...
Upgrade to view recommendations

Typography & Readability

Microsoft YaHei

WCAG Partial
42/100
Readability
/30
5/30

12px · LH 2.08

Hierarchy
/20
9/20
WCAG
/25
14/25

2.67:1 min contrast

Performance
/25
14/25

1 font

Heading Font

Microsoft YaHei

Body Font

Microsoft YaHei

Sans12px

Contrast Ratio

2.67:1

5 issues

Reading Comfort

~103 CPL

Too wide
12px
p

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

⚠️ Wide line spacing (2.08). 1.4–1.6 is optimal for body text.

❌ Very long lines: ~103 chars/line causes eye strain. Add max-width constraint.

⚠️ Partial contrast: 5 elements below WCAG AA threshold (min 2.7:1).

✅ 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

4 unique colors
Light
#fafafa
Background· 96.8%
#fa791e
Primary· 1.6%
#f1ece8
Secondary· 1%
#d6a785
Secondary· 0.5%

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

13 Resources

11
Scripts
2
Styles
1
Async
0
Defer

Top Script Sources

js(3)local(2)captcha.chaoxing.com(2)count.duxiu.com(2)book.dayi100.com(1)

Website Identity

blyun.com

15 years old
Location detected: 🇨🇳 Chinavia ip
Alibaba Cloud Computing (Beijing) Co., Ltd.

Sponsored

Last analyzed: 17 May 2026 at 13:36

Historical Analysis & Change Tracking