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SGSiteGraph

unizar.es

Universidad de Zaragoza | Universidad de Zaragoza

Last scanned Jul 25, 2026, 8:25 AM · 2 views

84

Overall score

Great

Summary

This website uses PHP hosted on RedIRIS - Entidad Publica Empresarial Red.es, ES. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores excellent (90/100) and performance excellent (100/100). Top issue: Missing meta description.

Spain
Hosted on RedIRIS - Entidad Publica Empresarial Red.es, ES

Top issues to fix

7 issues found · 3 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.

  • 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.

  • 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.

  • sitemap.xml not found

    SEO

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

+1 more issue — details in the sections below.

60

SEO

5 issue(s) found

100

Performance

541 ms

90

Security

HTTPS & header checks

90

Accessibility

1 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.

FacebookInstagramYouTube

Contact

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

Meta tags

Title
Universidad de Zaragoza | Universidad de Zaragoza
Description
Canonical
http://www.unizar.es/
Language
es
Charset
utf-8
Viewport
width=device-width, initial-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.

PHPjQueryNginx

Hosting & CDN

CDN provider
—
IP address
155.210.11.203
ASN
AS766 (RedIRIS - Entidad Publica Empresarial Red.es, ES)

DNS records

TypeValue
A
  • 155.210.11.203
AAAA—
MX—
TXT—
NS—
CAA—
CNAME
  • candanchu.unizar.es
IPv6 supportNo

TLS / SSL certificate

Version
TLS 1.2
Issuer
Hellenic Academic and Research Institutions CA
Subject
*.unizar.es
Valid from
Nov 21, 2025
Valid to
Nov 21, 2026
Days until expiry
118
SAN domains
*.unizar.es, unizar.es

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 9 · H3 8

Links

68 internal · 160 external · 5 broken

Images

38 total · 2 missing alt

Scripts / Styles

80 scripts · 98 stylesheets

JS / CSS size

369 KB · 23.0 KB

Page size

194 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
34
sitemap.xml
Not found
URLs in sitemap
0

SEO issues

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

Accessibility issues

  • No H1 heading found

Scan details

Requested URL
https://unizar.es
Final URL
https://www.unizar.es/
HTTP status
200
HTTP version
HTTP/2
Response time
538 ms
HTML size
194 KB
Redirect chain
https://unizar.es → https://www.unizar.es/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does unizar.es use?
unizar.es is built with PHP, jQuery, Nginx.
Is unizar.es secure (HTTPS)?
Yes. unizar.es uses TLS 1.2 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Nov 21, 2026.
Who hosts unizar.es?
unizar.es is hosted on RedIRIS - Entidad Publica Empresarial Red.es, ES.
What is unizar.es's SEO score?
unizar.es scored 60/100 for SEO in the latest analysis (fair).
What is unizar.es's overall website score?
unizar.es has an overall SiteGraph score of 84/100, combining SEO, performance, security, and accessibility.