What technology does sangfor.com.cn use?

sangfor.com.cn is built with Vue.js, Nuxt.

Is sangfor.com.cn secure (HTTPS)?

Yes. sangfor.com.cn uses TLS 1.3 with a certificate issued by DigiCert, Inc., valid until Feb 26, 2027.

Who hosts sangfor.com.cn?

Hosting provider information for sangfor.com.cn is not available yet.

What is sangfor.com.cn's SEO score?

sangfor.com.cn scored 70/100 for SEO in the latest analysis (fair).

What is sangfor.com.cn's overall website score?

sangfor.com.cn has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.

Has sangfor.com.cn's score changed over time?

sangfor.com.cn's overall score has improved by 8 points (from 69 to 77) since Jul 26, 2026.

sangfor.com.cn

深信服 - 让每个用户的数智化更简单、更安全

Last scanned Aug 2, 2026, 11:00 AM · 7 views

Overall score

Fair

Summary

深信服科技股份有限公司是一家专注于企业级网络安全、云计算与物联网的创新产品和服务供应商，致力于承载各行业用户数字化、智能化转型过程中的基石性工作，�… This website uses Nuxt. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores fair (65/100) and performance good (80/100). Top issue: Meta description longer than 160 characters.

深信服科技股份有限公司是一家专注于企业级网络安全、云计算与物联网的创新产品和服务供应商，致力于承载各行业用户数字化、智能化转型过程中的基石性工作，从而让每个用户的数智化更简单、更安全。

Top issues to fix

10 issues found · 2 high priority

Missing Strict-Transport-Security header
Security
Add HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
Security
Add a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing X-Content-Type-Options header
Security
Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
Security
Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.

+4 more issues — details in the sections below.

SEO

5 issue(s) found

Performance

606 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+8 overall since Jul 26, 2026

Overall: 77
SEO: 70
Security: 65
Performance: 80
Accessibility: 100

Organization

Company details published in this site's own structured data.

Contact

Email, phone, and address published on this site's own pages.

Email: ir@sangfor.com.cn

Meta tags

Title: 深信服 - 让每个用户的数智化更简单、更安全
Description: 深信服科技股份有限公司是一家专注于企业级网络安全、云计算与物联网的创新产品和服务供应商，致力于承载各行业用户数字化、智能化转型过程中的基石性工作，从而让每个用户的数智化更简单、更安全。
Canonical: https://www.sangfor.com.cn
Language: cn
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest

Technologies

Detected frameworks, languages, and tools.

Vue.js Nuxt

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

Type	Value
A	—
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: DigiCert, Inc.
Subject: *.sangfor.com.cn
Valid from: Jan 26, 2026
Valid to: Feb 26, 2027
Days until expiry: 208
SAN domains: *.sangfor.com.cn, sangfor.com.cn

Security headers

Strict-Transport-SecurityMissing
Content-Security-PolicyMissing
X-Frame-OptionsMissing
X-Content-Type-OptionsMissing
Referrer-PolicyMissing
Permissions-PolicyMissing

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 13 · H2 12 · H3 0

Links

46 internal · 23 external · 20 broken

Images

93 total · 13 missing alt

Scripts / Styles

103 scripts · 53 stylesheets

JS / CSS size

458 KB · 0 B

Page size

551 KB

Robots.txt & Sitemap

robots.txt: Not found
Disallow rules: 0
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Meta description longer than 160 characters
Multiple H1 headings found
No structured data (JSON-LD) found
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://sangfor.com.cn
Final URL: https://www.sangfor.com.cn/
HTTP status: 200
HTTP version: HTTP/2
Response time: 595 ms
HTML size: 551 KB
Redirect chain: https://sangfor.com.cn → https://www.sangfor.com.cn/

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Frequently asked questions

What technology does sangfor.com.cn use?: sangfor.com.cn is built with Vue.js, Nuxt.
Is sangfor.com.cn secure (HTTPS)?: Yes. sangfor.com.cn uses TLS 1.3 with a certificate issued by DigiCert, Inc., valid until Feb 26, 2027.
Who hosts sangfor.com.cn?: Hosting provider information for sangfor.com.cn is not available yet.
What is sangfor.com.cn's SEO score?: sangfor.com.cn scored 70/100 for SEO in the latest analysis (fair).
What is sangfor.com.cn's overall website score?: sangfor.com.cn has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
Has sangfor.com.cn's score changed over time?: sangfor.com.cn's overall score has improved by 8 points (from 69 to 77) since Jul 26, 2026.

Top issues to fix

Score history

Organization

Contact

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

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Frequently asked questions