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bt.cn

https://bt.cn· First analyzed 15 Feb 2026· Updated 15 Feb 2026
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bt.cn
Desktop screenshot of bt.cn
Mobile screenshot of bt.cn
Mobile

Sponsored

Hosting Provider

IP Address

157.255.129.251

Server Location

🇨🇳 Guangzhou, China

ASN

AS134543

Server

OpenResty

Nameservers

vip3.alidns.com.vip4.alidns.com.

Performance

Page Speed

4.6 MB
32 requests

Image Optimization

Lazy Load
0–49
50–89
90–100

Architecture Stack

Hybrid
⚙️ SSR
Frontend
Framework
Astro
Styling
Tailwind CSS
Infrastructure
Hosting
China Unicom CHINA169 Guangdong Network

Technology Stack

9 Technologies Detected

Meta Frameworks

1

CSS Frameworks

1

Icon Libraries

1

Web Servers

1

Customer Support

1

SEO Analysis

A82/100
11
3
0
B
bt.cnbt.cn

宝塔面板(bt.cn) 简单好用的Linux/Windows服务器运维管理面板

宝塔(bt.cn),让运维简单高效。面板支持Linux与Windows系统。一键配置:LAMP/LNMP、网站、数据库、FTP、SSL,通过Web端轻松管理服务器。

Title Length39 chars

Recommended: 50-60 chars

Description Length82 chars

Recommended: 120-160 chars

Issues (0)

    Crawlability

    Sitemap

    Type: index

    118 URLs

    robots.txt

    3 rules

    Sponsored

    Sponsored

    A

    Security Score

    86%Very Good
    Static / Informational

    HTTPS

    No WAF

    183d

    Certificate Details

    Type

    Organization Validated (OV)

    Certificate Authority

    sslTrus

    Key Algorithm

    RSA (2048 bit)

    Signature

    SHA-256 with RSA

    TLS Version

    TLSv1.3

    HTTP Protocol

    HTTP/2

    Valid From

    20.10.2025

    Valid Until

    17.08.2026

    OCSP Stapling

    Enabled

    Subject Alternative Names (2)

    *.bt.cnbt.cn

    SHA-256 Fingerprint

    4D:F1:0B:17:BB:70:FF:CE:EE:F0:94:7F:C0:D2:78:B2:E8:89:B0:3F...

    Recommendations

    Security recommendation preview

    HTTP Headers

    Developer Console

    server
    openresty
    date
    Sun, 15 Feb 2026 04:30:37 GMT
    content-type
    text/html
    last-modified
    Sun, 15 Feb 2026 04:30:02 GMT
    vary
    Accept-Encoding
    etag
    W/"69914bca-16834"
    Good Warning Issue

    Email Infrastructure

    Custom Mail Server

    Score

    98

    SPF
    DKIM
    DMARC

    DMARC Policy

    Quarantine (Moderate)

    MX Records (1)

    mail.bt.cn

    Domain Information

    bt.cn

    DNSSEC
    Not Enabled

    Privacy & Compliance

    Cookie Consent Banner
    Privacy Policy
    Terms of Service

    GDPR Indicators

    Privacy policy page linked

    Typography & Readability

    LarkHackSafariFont

    68/100
    Readability
    /30
    32/40

    14px · LH 1.63

    Hierarchy
    /20
    25/25

    4x ratio

    WCAG
    /25
    15/15

    Contrast: undefined

    Performance
    /25
    13/20

    1 font

    Heading Font

    LarkHackSafariFont

    Sans56px

    Body Font

    LarkHackSafariFont

    Sans14px

    Contrast Ratio

    --

    Reading Comfort

    ~202 CPL

    Needs attention
    56px
    h1
    48px
    h2
    36px
    h3
    14px
    h4
    14px
    p

    ⚠️ Small text: 14px may be hard to read on mobile. Consider 16px+.

    ✅ Optimal line spacing: 1.62 ratio ensures comfortable reading.

    ✅ Strong hierarchy: Headlines are 4.0x larger than body text.

    ✅ Good performance: Using 1 font families keeps load times fast.

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

    ✅ Protected text on images: Using gradient for readability.

    Business & Marketing Stack

    1 Tools Detected

    Growing

    Behavior Analytics

    1

    User behavior and product analytics

    1

    Categories

    1

    Total Tools

    0

    Enterprise

    0

    Mid-Market

    Assessment: Growing marketing technology adoption

    Sponsored

    Scripts & Styles

    6 Resources

    4
    Scripts
    2
    Styles
    0
    Async
    0
    Defer

    Top Script Sources

    local(3)hm.baidu.com(1)

    Website Identity

    Sponsored

    Last analyzed: 15 Feb 2026 at 04:30

    Historical Analysis & Change Tracking