jszno.com website report
泰州市华冶锌业有限公司
Last scanned
Overall score
Fair
About jszno.com
jszno.com is a website. It describes itself as “泰州市华冶锌业有限公司是锌业界初具规模的具有自营进出口权的私营企业之一”.
Score profile
Top issues to fix
12 issues found · 3 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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing X-Frame-Options header
SecurityAdd X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.
1 cookie without Secure/HttpOnly flags
SecuritySet Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
+6 more issues — details in the sections below.
How it compares
jszno.com scores higher overall than 30% of the 163,243 sites we have scanned.
vs. All scanned sites
163,243 sitesThe dot is this site; the tick is the typical (median) score for the group. The number on the right is the percentile: the share of the group this site scores above.
Technology stack
jszno.com is built with jQuery.
Libraries (1)
Hosting & DNS
- IP address
- —
- ASN
- —
- IPv6
- Not supported
- HTTP
- HTTP/2
Show DNS record values
TXT record contents are not republished; only their count is shown.
Security
jszno.com uses TLS 1.3 with a certificate valid for 90 more days and sets 0 of 6 recommended security headers.
Security headers0 of 6 set
- HSTSForces HTTPS
- CSPBlocks injected scripts
- X-Frame-OptionsStops clickjacking
- X-Content-TypeStops MIME sniffing
- Referrer-PolicyLimits URL leakage
- Permissions-PolicyRestricts browser features
TLS certificate
- Names covered
- 2
- Cookies set
- 1
Email security
jszno.com does not receive email, but does not fully block others from sending mail in its name.
No MX records: this domain does not receive mail.
- SPFNot set
No SPF record: anyone can claim to send mail from this domain.
- DMARCNot set
No DMARC policy: forged mail is not told to be rejected.
- MTA-STSNot set
Not published; mail to this domain can be downgraded to plaintext.
- BIMINot set
Not published (optional).
Performance & carbon
jszno.com scores 100/100 for performance, with an estimated load time of 0.3 s. A visit emits an estimated 0.01 g of CO2 (grade A+).
Page weight
- HTML 39.1 KB
- JavaScript 730 B
- Est. load
- 298 ms
- Response
- 298 ms
- Scripts / CSS
- 11 / 4
Carbon per visitA+
0.01 g CO2 per uncached view
Estimate from the Sustainable Web Design model. HTML, JavaScript and CSS only; images, video and fonts are not measured. Treat it as a lower bound for comparing pages, not an audit.
SEO & accessibility
jszno.com scores 60/100 for SEO and 90/100 for accessibility, with 6 SEO issues to fix.
Heading structure
No H1 found.
Image alt text
75 images · 9 without alt text · 0 lazy-loaded
Links
- Internal 50
- External 1
- Broken 20
SEO issues6
- 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 issues1
- No H1 heading found
Technical details
Page metadata, social tags, crawl files and scan information.
Meta tags
- Title
- 泰州市华冶锌业有限公司
- Description
- 泰州市华冶锌业有限公司是锌业界初具规模的具有自营进出口权的私营企业之一
- Canonical
- Language
- zh-CN
- Robots meta
Crawl files
- robots.txt
- Not found
- Disallow rules
- 0
- sitemap.xml
- Not found
- URLs in sitemap
- 0
Structured data
No JSON-LD types declared.
- Microdata items
- 0
- RDFa items
- 0
Scan
- Final URL
- https://jszno.com
- HTTP status
- 200
- Redirects
- https://jszno.com
- Scanned
- Aug 24, 2026, 1:23 PM
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Frequently asked questions about jszno.com
- What is jszno.com?
- jszno.com is a website. It describes itself as “泰州市华冶锌业有限公司是锌业界初具规模的具有自营进出口权的私营企业之一”.
- What technology does jszno.com use?
- jszno.com is built with jQuery.
- Is jszno.com secure?
- jszno.com uses TLS 1.3 with a certificate valid for 90 more days and sets 0 of 6 recommended security headers.
- Is jszno.com protected against email spoofing?
- jszno.com does not receive email, but does not fully block others from sending mail in its name.
- How does jszno.com compare with similar sites?
- jszno.com scores higher overall than 30% of the 163,243 sites we have scanned.
- What is jszno.com's overall score?
- jszno.com has an overall SiteGraph score of 77/100, combining SEO (60), performance (100), security (65) and accessibility (90).
Open Graph & Twitter