sz000004.cn
深圳国华网安科技股份有限公司
Last scanned Jul 26, 2026, 1:49 PM
Overall score
Fair
Summary
This website uses Nginx. SEO is fair (50/100) and accessibility is fair (50/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
16 issues found · 5 high priority
Missing Strict-Transport-Security header
SecurityAdd HSTS so browsers always use HTTPS — this closes the protocol-downgrade attack window.
Missing Content-Security-Policy header
SecurityAdd a CSP to control which sources can run scripts — the strongest single defense against XSS.
Missing meta description
SEOAdd a ~150-character meta description to control your search-result snippet and lift click-through rate.
No H1 heading found
SEOAdd exactly one H1 describing the page's main topic — it anchors the document outline for search engines and screen readers.
Over half of images are missing alt text
AccessibilityAdd alt attributes to images — screen readers depend on them, and they help image SEO.
TLS certificate expires in 15 days
SecurityRenew soon or enable auto-renewal to avoid a browser-warning outage.
+10 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
555 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Contact
Email, phone, and address published on this site's own pages.
Meta tags
- Title
- 深圳国华网安科技股份有限公司
- Description
- Canonical
- Language
- Charset
- utf-8
- Viewport
- width=1280
- Robots meta
- Manifest
Technologies
Detected frameworks, languages, and tools.
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 1.2
- Issuer
- DigiCert Inc
- Subject
- www.sz000004.cn
- Valid from
- Aug 13, 2025
- Valid to
- Aug 12, 2026
- Days until expiry
- 15
- SAN domains
- www.sz000004.cn, sz000004.cn
Security headers
- Strict-Transport-SecurityMissing
- Content-Security-PolicyMissing
- X-Frame-OptionsMissing
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: none · 1 cookie(s) observed
Content & assets
Headings
H1 0 · H2 0 · H3 0
Links
21 internal · 11 external · 20 broken
Images
5 total · 5 missing alt
Scripts / Styles
4 scripts · 2 stylesheets
JS / CSS size
292 B · 434 B
Page size
21.8 KB
Robots.txt & Sitemap
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
SEO issues
- Missing meta description
- Missing canonical link
- No H1 heading found
- No structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- Over half of images are missing alt text
- No H1 heading found
- Missing <html lang> attribute
Scan details
- Requested URL
- https://sz000004.cn
- Final URL
- https://sz000004.cn
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 555 ms
- HTML size
- 21.8 KB
- Redirect chain
- https://sz000004.cn
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does sz000004.cn use?
- sz000004.cn is built with jQuery, Nginx.
- Is sz000004.cn secure (HTTPS)?
- Yes. sz000004.cn uses TLS 1.2 with a certificate issued by DigiCert Inc, valid until Aug 12, 2026.
- Who hosts sz000004.cn?
- Hosting provider information for sz000004.cn is not available yet.
- What is sz000004.cn's SEO score?
- sz000004.cn scored 50/100 for SEO in the latest analysis (fair).
- What is sz000004.cn's overall website score?
- sz000004.cn has an overall SiteGraph score of 66/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card