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SGSiteGraph

nuaa.edu.cn

南京航空航天大学

Last scanned Aug 3, 2026, 12:00 AM · 10 views

77

Overall score

Fair

Summary

南京航空航天大学. This website uses jQuery. SEO is fair (60/100) and accessibility is fair (65/100). Security scores good (85/100) and performance excellent (100/100). Top issue: Missing canonical link.

南京航空航天大学

Top issues to fix

11 issues found · 2 high priority

  • Missing Content-Security-Policy header

    Security

    Add a CSP to control which sources can run scripts — the strongest single defense against XSS.

  • No H1 heading found

    SEO

    Add 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

    Security

    Add X-Content-Type-Options: nosniff to stop MIME-sniffing attacks.

  • Missing canonical link

    SEO

    Add <link rel="canonical"> so search engines know which URL variant to index.

  • No structured data (JSON-LD) found

    SEO

    Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.

  • Missing OpenGraph tags

    SEO

    Add og:title/og:description/og:image so shared links render a proper preview card.

+5 more issues — details in the sections below.

60

SEO

6 issue(s) found

100

Performance

238 ms

85

Security

HTTPS & header checks

65

Accessibility

3 issue(s) found

Score history

0 overall since Jul 26, 2026

Overall
77
SEO
60
Security
85
Performance
100
Accessibility
65

Organization

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

南京航空航天大学

Meta tags

Title
南京航空航天大学
Description
南京航空航天大学
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

OpenGraph & Twitter Card

OpenGraph

og:title
—
og:description
—
og:type
—
og:url
—

Twitter Card

twitter:card
—
twitter:title
—
twitter:description
—

Technologies

Detected frameworks, languages, and tools.

jQuery

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
—
ASN
—

DNS records

TypeValue
A—
AAAA—
MX—
TXT—
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
DigiCert Inc
Subject
*.nuaa.edu.cn
Valid from
Mar 4, 2026
Valid to
Sep 18, 2026
Days until expiry
46
SAN domains
*.nuaa.edu.cn, nuaa.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 0 · H2 0 · H3 10

Links

71 internal · 138 external · 20 broken

Images

49 total · 12 missing alt

Scripts / Styles

18 scripts · 13 stylesheets

JS / CSS size

1.3 KB · 0 B

Page size

222 KB

Robots.txt & Sitemap

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

SEO issues

  • 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

  • More than 20% of images are missing alt text
  • No H1 heading found
  • Missing <html lang> attribute

Scan details

Requested URL
https://nuaa.edu.cn
Final URL
https://nuaa.edu.cn
HTTP status
200
HTTP version
HTTP/1.1
Response time
234 ms
HTML size
222 KB
Redirect chain
https://nuaa.edu.cn

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does nuaa.edu.cn use?
nuaa.edu.cn is built with jQuery.
Is nuaa.edu.cn secure (HTTPS)?
Yes. nuaa.edu.cn uses TLS 1.3 with a certificate issued by DigiCert Inc, valid until Sep 18, 2026.
Who hosts nuaa.edu.cn?
Hosting provider information for nuaa.edu.cn is not available yet.
What is nuaa.edu.cn's SEO score?
nuaa.edu.cn scored 60/100 for SEO in the latest analysis (fair).
What is nuaa.edu.cn's overall website score?
nuaa.edu.cn has an overall SiteGraph score of 77/100, combining SEO, performance, security, and accessibility.
Has nuaa.edu.cn's score changed over time?
nuaa.edu.cn's overall score has stayed steady at 77/100 since Jul 26, 2026.