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SGSiteGraph

niu.edu.tw

NUMail

Last scanned Aug 6, 2026, 5:00 AM · 13 views

76

Overall score

Fair

Summary

This website uses Apache hosted on ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center, TW. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance fair (60/100). Top issue: Missing meta description.

Taiwan
Hosted on ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center, TW

Top issues to fix

5 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.

  • 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 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.

  • sitemap.xml not found

    SEO

    Publish an XML sitemap and reference it from robots.txt to speed up page discovery.

60

SEO

5 issue(s) found

60

Performance

112 ms

100

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

0 overall since Jul 26, 2026

Overall
76
SEO
60
Security
100
Performance
60
Accessibility
90

Meta tags

Title
NUMail
Description
Canonical
Language
zh-Hant-TW
Charset
utf-8
Viewport
width=device-width,initial-scale=1,shrink-to-fit=no
Robots meta
Manifest
https://niu.edu.tw/NUMail/manifest.json

OpenGraph & Twitter Card

OpenGraph

og:title
NUMail 電子信箱
og:description
NUMail 電子信箱
og:type
website
og:url
—

Twitter Card

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

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

CDN provider
—
IP address
120.101.0.3
ASN
AS1659 (ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center, TW)

DNS records

TypeValue
A
  • 120.101.0.3
AAAA
  • 2001:288:a001::3
MX
  • nopam.niu.edu.tw
TXT—
NS
  • ns2.niu.edu.tw
  • ns1.niu.edu.tw
CAA—
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.2
Issuer
TAIWAN-CA
Subject
*.niu.edu.tw
Valid from
Oct 29, 2025
Valid to
Nov 18, 2026
Days until expiry
104
SAN domains
*.niu.edu.tw, niu.edu.tw

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 0 · H3 0

Links

0 internal · 0 external · 0 broken

Images

0 total · 0 missing alt

Scripts / Styles

2 scripts · 2 stylesheets

JS / CSS size

4.7 MB · 632 KB

Page size

133 B

Robots.txt & Sitemap

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

SEO issues

  • Missing meta description
  • Missing canonical link
  • No H1 heading found
  • No structured data (JSON-LD) found
  • sitemap.xml not found

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://niu.edu.tw
Final URL
https://niu.edu.tw
HTTP status
200
HTTP version
HTTP/1.1
Response time
112 ms
HTML size
133 B
Redirect chain
https://niu.edu.tw

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does niu.edu.tw use?
niu.edu.tw is built with Apache.
Is niu.edu.tw secure (HTTPS)?
Yes. niu.edu.tw uses TLS 1.2 with a certificate issued by TAIWAN-CA, valid until Nov 18, 2026.
Who hosts niu.edu.tw?
niu.edu.tw is hosted on ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center, TW.
What is niu.edu.tw's SEO score?
niu.edu.tw scored 60/100 for SEO in the latest analysis (fair).
What is niu.edu.tw's overall website score?
niu.edu.tw has an overall SiteGraph score of 76/100, combining SEO, performance, security, and accessibility.
Has niu.edu.tw's score changed over time?
niu.edu.tw's overall score has stayed steady at 76/100 since Jul 26, 2026.