szgjtc.net
深圳国检（泉州）珠宝检测有限公司
Last scanned Aug 24, 2026, 1:22 PM
Overall score
Fair
Summary
深圳市国检珠宝检测检验中心是国家有关主管部门依法授权的珠宝玉石专业质检机构，是中国珠宝玉石检测方面的权威。中心拥有CMA检验资质证书和CNAS认可证书，是公… This website uses jQuery. SEO is fair (55/100) and accessibility is fair (50/100). Security scores fair (65/100) and performance excellent (100/100). Top issue: Meta description longer than 160 characters.
深圳市国检珠宝检测检验中心是国家有关主管部门依法授权的珠宝玉石专业质检机构，是中国珠宝玉石检测方面的权威。中心拥有CMA检验资质证书和CNAS认可证书，是公正独立的第三方珠宝玉石检测实验室，出具的报告及证书具有法律效力。中心主要业务是承接企业、消费者及相关部门贵金属、珠宝饰品质量委托检验,承担珠宝的市场检验服务工作。
Top issues to fix
15 issues found · 4 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.
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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
+9 more issues — details in the sections below.
SEO
7 issue(s) found
Performance
284 ms
Security
HTTPS & header checks
Accessibility
3 issue(s) found
Organization
Company details published in this site's own structured data.
深圳市国检珠宝检测检验中心是国家有关主管部门依法授权的珠宝玉石专业质检机构，是中国珠宝玉石检测方面的权威。中心拥有CMA检验资质证书和CNAS认可证书，是公正独立的第三方珠宝玉石检测实验室，出具的报告及证书具有法律效力。中心主要业务是承接企业、消费者及相关部门贵金属、珠宝饰品质量委托检验,承担珠宝的市场检验服务工作。
Meta tags
- Title
- 深圳国检（泉州）珠宝检测有限公司
- Description
- 深圳市国检珠宝检测检验中心是国家有关主管部门依法授权的珠宝玉石专业质检机构，是中国珠宝玉石检测方面的权威。中心拥有CMA检验资质证书和CNAS认可证书，是公正独立的第三方珠宝玉石检测实验室，出具的报告及证书具有法律效力。中心主要业务是承接企业、消费者及相关部门贵金属、珠宝饰品质量委托检验,承担珠宝的市场检验服务工作。
- Canonical
- Language
- Charset
- utf-8
- Viewport
- width=device-width,user-scalable=no, initial-scale=1
- 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
- Let's Encrypt
- Subject
- szgjtc.net
- Valid from
- Jun 11, 2026
- Valid to
- Sep 9, 2026
- Days until expiry
- 15
- SAN domains
- szgjtc.net, www.szgjtc.net
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 0 · H2 0 · H3 16
Links
34 internal · 3 external · 1 broken
Images
27 total · 27 missing alt
Scripts / Styles
16 scripts · 3 stylesheets
JS / CSS size
5.0 KB · 61 B
Page size
23.0 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
- 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://szgjtc.net
- Final URL
- https://szgjtc.net
- HTTP status
- 200
- HTTP version
- HTTP/1.1
- Response time
- 284 ms
- HTML size
- 23.0 KB
- Redirect chain
- https://szgjtc.net
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does szgjtc.net use?
- szgjtc.net is built with jQuery.
- Is szgjtc.net secure (HTTPS)?
- Yes. szgjtc.net uses TLS 1.2 with a certificate issued by Let's Encrypt, valid until Sep 9, 2026.
- Who hosts szgjtc.net?
- Hosting provider information for szgjtc.net is not available yet.
- What is szgjtc.net's SEO score?
- szgjtc.net scored 55/100 for SEO in the latest analysis (fair).
- What is szgjtc.net's overall website score?
- szgjtc.net has an overall SiteGraph score of 68/100, combining SEO, performance, security, and accessibility.
OpenGraph & Twitter Card
OpenGraph
Twitter Card