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Domain report

sjava.cn

sjava.cn ranks in the top 5.69% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 10 distinct hosts observed under it.

Explore sjava.cn in the Web Graph

Connectivity

#7,577,234harmonic-centrality rank
Top percentile
5.69%
Hosts observed
10

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://sjava.cn/ answered with HTTP 200.

Certificate until 2026-11-28C=US, O=Let's Encrypt, CN=YR2

DNS records

A
  • 101.201.39.115
AAAA
No records found.
MX
No records found.
NS
  • ns4.dnsv2.com.
  • ns3.dnsv2.com.
AS
Server in network Hangzhou Alibaba Advertising Co.,Ltd., AS37963 · China101.201.39.0/24, which holds 101.201.39.115

Live preview

This is a live, sandboxed embed of sjava.cn — not a copy. What it shows can change any time the site itself does.

Domain registration (WHOIS / RDAP)

No RDAP (WHOIS) data is available for sjava.cn.

How to read WHOIS and RDAP data

SSL certificate

Common name
*.sjava.cn
Issuer
C=US, O=Let's Encrypt, CN=YR2
Valid from
2026-08-30
Valid until
2026-11-28

Matches sjava.cn exactly. Source: Certificate Transparency logs (crt.sh).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=31536000
X-Frame-Options
Not sent
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://sjava.cn/HTTP 301

    → https://sjava.cn/

  2. 2.https://sjava.cn/HTTP 200

Meta tags

Title
神经蛙 - 分享科技与生活
Description
这有关于产品、设计、开发相关的问题和看法，还有文章翻译和分享。 相信你可以在这里找到对你有用的知识和教程。
Canonical
http://hexo.sjava.cn/
Robots
Not set
Generator
Hexo 5.4.2
Open Graph title
神经蛙
Open Graph description
这有关于产品、设计、开发相关的问题和看法，还有文章翻译和分享。 相信你可以在这里找到对你有用的知识和教程。
Open Graph image
http://hexo.sjava.cn/img/pic.png
Open Graph type
website
Twitter card
summary
Twitter title
Not set
Twitter image
http://hexo.sjava.cn/img/pic.png

robots.txt

sjava.cn has no robots.txt.

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

Related domains

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