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SGSiteGraph

dlu.edu.vn

Trường Đại học Đà Lạt

Last scanned Jul 26, 2026, 1:49 PM

73

Overall score

Fair

Summary

This website uses WordPress. SEO is fair (65/100) and accessibility is excellent (100/100). Security scores poor (35/100) and performance excellent (100/100). Top issue: Missing meta description.

Top issues to fix

9 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.

  • Missing meta description

    SEO

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

  • Missing X-Content-Type-Options header

    Security

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

  • Missing X-Frame-Options header

    Security

    Add X-Frame-Options (or a CSP frame-ancestors rule) to prevent clickjacking via hidden iframes.

  • 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.

+3 more issues — details in the sections below.

65

SEO

5 issue(s) found

100

Performance

525 ms

35

Security

HTTPS & header checks

100

Accessibility

0 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.

Organization

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

FacebookYouTube

Contact

Email, phone, and address published on this site's own pages.

Meta tags

Title
Trường Đại học Đà Lạt
Description
Canonical
https://dlu.edu.vn/
Language
vi-VN
Charset
UTF-8
Viewport
width=device-width, initial-scale=1
Robots meta
max-image-preview:large
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.

WordPressjQueryGoogle Analytics

Hosting & CDN

Hosting provider
—
CDN provider
—
IP address
14.238.96.174
ASN
—

DNS records

TypeValue
A
  • 14.238.96.174
AAAA—
MX
  • alt2.aspmx.l.google.com
  • aspmx5.googlemail.com.\
  • aspmx.l.google.com
  • aspmx2.googlemail.com.\
  • alt1.aspmx.l.google.com
  • aspmx3.googlemail.com.\
  • aspmx4.googlemail.com.\
TXT
  • v=spf1 include:_spf.google.com ~all
  • google-site-verification=BapkWc3OtCzMf9D2cXXkvO2F0g0owH1qkqAZqaQVTto
NS—
CAA—
CNAME—
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.3
Issuer
Sectigo Limited
Subject
*.dlu.edu.vn
Valid from
Feb 24, 2026
Valid to
Mar 23, 2027
Days until expiry
238
SAN domains
*.dlu.edu.vn, dlu.edu.vn

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 1 · H2 7 · H3 26

Links

63 internal · 63 external · 17 broken

Images

55 total · 2 missing alt

Scripts / Styles

65 scripts · 20 stylesheets

JS / CSS size

716 KB · 151 KB

Page size

278 KB

Robots.txt & Sitemap

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

SEO issues

  • Missing meta description
  • No structured data (JSON-LD) found
  • Missing OpenGraph tags
  • robots.txt not found
  • sitemap.xml not found

Accessibility issues

No accessibility issues detected.

Scan details

Requested URL
https://dlu.edu.vn
Final URL
https://dlu.edu.vn
HTTP status
200
HTTP version
HTTP/2
Response time
520 ms
HTML size
278 KB
Redirect chain
https://dlu.edu.vn

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does dlu.edu.vn use?
dlu.edu.vn is built with WordPress, jQuery, Google Analytics.
Is dlu.edu.vn secure (HTTPS)?
Yes. dlu.edu.vn uses TLS 1.3 with a certificate issued by Sectigo Limited, valid until Mar 23, 2027.
Who hosts dlu.edu.vn?
Hosting provider information for dlu.edu.vn is not available yet.
What is dlu.edu.vn's SEO score?
dlu.edu.vn scored 65/100 for SEO in the latest analysis (fair).
What is dlu.edu.vn's overall website score?
dlu.edu.vn has an overall SiteGraph score of 73/100, combining SEO, performance, security, and accessibility.