ustc.edu.cn
中国科学技术大学
Last scanned Aug 1, 2026, 4:00 AM · 8 views
Overall score
Fair
Summary
This website uses Nginx. SEO is fair (60/100) and accessibility is good (75/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing meta description.
Top issues to fix
11 issues found · 2 high priority
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.
Missing X-Content-Type-Options header
SecurityAdd X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.
Missing canonical link
SEOAdd <link rel="canonical"> so search engines know which URL variant to index.
No structured data (JSON-LD) found
SEOAdd JSON-LD (Organization, Article, Product…) to become eligible for rich results.
Missing OpenGraph tags
SEOAdd og:title/og:description/og:image so shared links render a proper preview card.
+5 more issues — details in the sections below.
SEO
6 issue(s) found
Performance
289 ms
Security
HTTPS & header checks
Accessibility
2 issue(s) found
Score history
0 overall since Jul 25, 2026
- Overall
- 79
- SEO
- 60
- Security
- 85
- Performance
- 100
- Accessibility
- 75
Meta tags
- Title
- 中国科学技术大学
- Description
- Canonical
- Language
- Charset
- UTF-8
- Viewport
- width=device-width,user-scalable=0,initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0
- 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 1.3
- Issuer
- ZeroSSL GmbH
- Subject
- ustc.edu.cn
- Valid from
- Jun 28, 2026
- Valid to
- Sep 26, 2026
- Days until expiry
- 56
- SAN domains
- ustc.edu.cn
Security headers
- Strict-Transport-SecurityEnabled
- Content-Security-PolicyMissing
- X-Frame-OptionsEnabled
- X-Content-Type-OptionsMissing
- Referrer-PolicyMissing
- Permissions-PolicyMissing
Compression: gzip · 0 cookie(s) observed
Content & assets
Headings
H1 1 · H2 3 · H3 0
Links
25 internal · 41 external · 20 broken
Images
16 total · 7 missing alt
Scripts / Styles
27 scripts · 12 stylesheets
JS / CSS size
2.2 KB · 699 B
Page size
39.1 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 structured data (JSON-LD) found
- Missing OpenGraph tags
- robots.txt not found
- sitemap.xml not found
Accessibility issues
- More than 20% of images are missing alt text
- Missing <html lang> attribute
Scan details
- Requested URL
- https://ustc.edu.cn
- Final URL
- https://ustc.edu.cn
- HTTP status
- 200
- HTTP version
- HTTP/2
- Response time
- 289 ms
- HTML size
- 39.1 KB
- Redirect chain
- https://ustc.edu.cn
See something wrong on this report? Request a correction
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Frequently asked questions
- What technology does ustc.edu.cn use?
- ustc.edu.cn is built with jQuery, Nginx.
- Is ustc.edu.cn secure (HTTPS)?
- Yes. ustc.edu.cn uses TLS 1.3 with a certificate issued by ZeroSSL GmbH, valid until Sep 26, 2026.
- Who hosts ustc.edu.cn?
- Hosting provider information for ustc.edu.cn is not available yet.
- What is ustc.edu.cn's SEO score?
- ustc.edu.cn scored 60/100 for SEO in the latest analysis (fair).
- What is ustc.edu.cn's overall website score?
- ustc.edu.cn has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.
- Has ustc.edu.cn's score changed over time?
- ustc.edu.cn's overall score has stayed steady at 79/100 since Jul 25, 2026.
OpenGraph & Twitter Card
OpenGraph
Twitter Card