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youzan.com

https://youzan.com· First analyzed 17 Feb 2026· Updated 17 Feb 2026
Export
youzan.com

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Hosting Provider

cloud.tencent.com

IP Address

152.136.6.121

Server Location

🇨🇳 Beijing, China

ASN

AS45090

Organization

Tencent Cloud Computing (Beijing) Co., Ltd

Nameservers

ns3.dnsv5.com.ns4.dnsv5.com.

Performance

Page Speed

5 KB
250 requests

Image Optimization

Lazy LoadWebPResponsive
0–49
50–89
90–100

Architecture Stack

Hybrid
SSG
Frontend
Framework
Next.js
Styling
Tailwind CSS
Infrastructure
Hosting
Tencent Cloud

Technology Stack

5 Technologies Detected

SEO Analysis

C64/100
9
3
1
Y
youzan.comyouzan.com

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Title Length27 chars

Recommended: 50-60 chars

Description Length99 chars

Recommended: 120-160 chars

Issues (1)

  • Many images missing alt text (148/241)

Crawlability

Sitemap

Type: standard

robots.txt

46 rules

Sitemap reference found

Sponsored

Sponsored

D

Security Score

56%Poor
Interactive

HTTPS

No WAF

314d

Certificate Details

Type

Organization Validated (OV)

Certificate Authority

sslTrus

Key Algorithm

RSA (2048 bit)

Signature

SHA-256 with RSA

TLS Version

TLSv1.2

HTTP Protocol

HTTP/2

Valid From

27.11.2025

Valid Until

28.12.2026

OCSP Stapling

Enabled

Subject Alternative Names (2)

*.youzan.comyouzan.com

SHA-256 Fingerprint

A4:BC:95:33:AE:5A:2B:46:0D:64:BF:5E:C5:DE:4F:FE:84:43:D6:FE...

Top Recommendations

Security recommendation preview

HTTP Headers

Developer Console

cache-control
Custom(s-maxage=1, stale-while-revalidate)
content-encoding
Brotli(br)
content-type
text/html; charset=utf-8
date
Tue, 17 Feb 2026 04:23:12 GMT
etag
W/"drs73hxujx2xr2"
strict-transport-security
max-age=31536000
Good Warning Issue

Email Infrastructure

Custom Mail Server

Score

73

SPF
DKIM
DMARC

DMARC Policy

Quarantine (Moderate)

MX Records (2)

mxbiz1.qq.com
mxbiz2.qq.com

Domain Information

youzan.com

Domain Age
17y 11m

Created

13.03.2008

Expires

13.03.2030

Last Updated

21.10.2022

Registrar

eName Technology Co., Ltd.

DNSSEC
Not Enabled

Privacy & Compliance

Cookie Consent Banner
Privacy Policy
Terms of Service

Typography & Readability

-apple-system

70/100
Readability
/30
32/40

24px · LH 1.33

Hierarchy
/20
8/25

1x ratio

WCAG
/25
15/15

Contrast: undefined

Performance
/25
20/20

System fonts

Heading Font

-apple-system

Sans24px

Body Font

-apple-system

Sans24px

Contrast Ratio

--

Reading Comfort

~50 CPL

Optimal (45–75)
24px
h1
24px
h2
26px
h3
24px
p
Minor Second
Scale

✅ Excellent readability: 24px body text is ideal for all devices.

⚠️ Weak hierarchy: Headlines should be at least 2x body size for clear visual structure.

✅ Excellent performance: System fonts eliminate font loading delays (better LCP).

✅ Consistent design: Single font family with weight variations is a modern best practice.

✅ Protected text on images: Using gradient for readability.

✅ Optimal line length: ~50 characters per line is comfortable to read.

Business & Marketing Stack

3 Tools Detected

Growing

Behavior Analytics

3

User behavior and product analytics

1

Categories

3

Total Tools

0

Enterprise

0

Mid-Market

Assessment: Growing marketing technology adoption

Sponsored

Scripts & Styles

30 Resources

20
Scripts
10
Styles
4
Async
16
Defer

Top Script Sources

b.yzcdn.cn(16)clarity.ms(1)hm.baidu.com(1)zz.bdstatic.com(1)googletagmanager.com(1)

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Last analyzed: 17 Feb 2026 at 04:23

Historical Analysis & Change Tracking