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SGSiteGraph

nxu.edu.cn

403 Forbidden

Last scanned Aug 24, 2026, 1:23 PM · 2 views

85

Overall score

Great

Summary

This website is hosted on ERX-CERNET-BKB - China Education and Research Network Center, CN. SEO is fair (60/100) and accessibility is good (85/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.

China
Hosted on ERX-CERNET-BKB - China Education and Research Network Center, CN

Top issues to fix

8 issues found · 2 high priority

  • Missing meta description

    SEO

    Add a ~150-character meta description to control your search-result snippet and lift click-through rate.

  • Missing viewport meta tag

    Accessibility

    Add <meta name="viewport" content="width=device-width, initial-scale=1"> — without it the site is broken on mobile.

  • 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.

  • robots.txt not found

    SEO

    Publish /robots.txt with a Sitemap: directive to guide crawlers.

+2 more issues — details in the sections below.

60

SEO

6 issue(s) found

100

Performance

292 ms

100

Security

HTTPS & header checks

85

Accessibility

2 issue(s) found

Not enough scan history yet to show a trend — check back after this site has been re-scanned a few more times.

Meta tags

Title
403 Forbidden
Description
Canonical
Language
Charset
Viewport
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.

No technologies detected.

Hosting & CDN

CDN provider
—
IP address
222.23.220.245
ASN
AS4538 (ERX-CERNET-BKB - China Education and Research Network Center, CN)

DNS records

TypeValue
A
  • 222.23.220.245
AAAA
  • 2001:250:1c00:1::245
MX
  • hzmx01.mxmail.netease.com
  • hzmx02.mxmail.netease.com
TXT
  • v=spf1 include:spf.163.com -all
  • MS=C6BE3164FC62E360E344BD4DD1EB59E19E1A4057
NS
  • dns.nxu.edu.cn
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Beijing Xinchacha Credit Management Co., Ltd.
Subject
*.nxu.edu.cn
Valid from
Oct 20, 2025
Valid to
Oct 20, 2026
Days until expiry
55
SAN domains
*.nxu.edu.cn, nxu.edu.cn

Security headers

  • Strict-Transport-SecurityEnabled
  • Content-Security-PolicyEnabled
  • X-Frame-OptionsEnabled
  • X-Content-Type-OptionsEnabled
  • Referrer-PolicyEnabled
  • Permissions-PolicyMissing

Compression: none · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

0 scripts · 0 stylesheets

JS / CSS size

0 B · 0 B

Page size

199 B

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

  • Missing <html lang> attribute
  • Missing viewport meta tag

Scan details

Requested URL
https://nxu.edu.cn
Final URL
https://nxu.edu.cn
HTTP status
403
HTTP version
HTTP/2
Response time
292 ms
HTML size
199 B
Redirect chain
https://nxu.edu.cn

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does nxu.edu.cn use?
We did not detect any specific technologies for nxu.edu.cn in the latest scan.
Is nxu.edu.cn secure (HTTPS)?
Yes. nxu.edu.cn uses TLS 1.3 with a certificate issued by Beijing Xinchacha Credit Management Co., Ltd., valid until Oct 20, 2026.
Who hosts nxu.edu.cn?
nxu.edu.cn is hosted on ERX-CERNET-BKB - China Education and Research Network Center, CN.
What is nxu.edu.cn's SEO score?
nxu.edu.cn scored 60/100 for SEO in the latest analysis (fair).
What is nxu.edu.cn's overall website score?
nxu.edu.cn has an overall SiteGraph score of 85/100, combining SEO, performance, security, and accessibility.