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SGSiteGraph

restena.lu

Home page | RESTENA

Last scanned Aug 5, 2026, 9:00 PM · 21 views

86

Overall score

Great

Summary

This website uses Nginx hosted on RESTENA - Fondation RESTENA, LU. SEO is fair (60/100) and accessibility is excellent (90/100). Security scores excellent (100/100) and performance excellent (100/100). Top issue: Missing meta description.

LU
Hosted on RESTENA - Fondation RESTENA, LU

Top issues to fix

6 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.

  • 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.

  • 13 broken links on the page

    SEO

    Fix or remove broken links — they waste crawl budget and erode user trust.

60

SEO

5 issue(s) found

100

Performance

141 ms

100

Security

HTTPS & header checks

90

Accessibility

1 issue(s) found

Score history

+1 overall since Jul 26, 2026

Overall
86
SEO
60
Security
100
Performance
100
Accessibility
90

Organization

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

LinkedInFacebook

Contact

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

Source: https://restena.lu/fr/contact

Meta tags

Title
Home page | RESTENA
Description
Canonical
https://restena.lu/fr
Language
fr
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.

DrupalNginx

Hosting & CDN

CDN provider
—
IP address
158.64.1.83
ASN
AS2602 (RESTENA - Fondation RESTENA, LU)

DNS records

TypeValue
A
  • 158.64.1.83
AAAA
  • 2001:a18:1::83
MX
  • smtpgate2.restena.lu
  • smtpgate1.restena.lu
  • smtpgate3.restena.lu
TXT
  • google-site-verification=12K6fBOGEb6bDHeQgq-0u1B63tl2C3RESgrsKO-NmCo
  • v=spf1 mx a:smtprelay.restena.lu include:_listservers.restena.lu -all
NS
  • ns1.restena.lu
  • nse.restena.lu
  • nsp.restena.lu
  • ns3.restena.lu
  • ns2.restena.lu
CAA
  • 0 iodef "mailto:helpdesk@restena.lu"
  • 0 issue "harica.gr"
  • 0 issuewild "harica.gr"
CNAME—
IPv6 supportYes

TLS / SSL certificate

Version
TLS 1.3
Issuer
Hellenic Academic and Research Institutions CA
Subject
*.restena.lu
Valid from
Feb 26, 2026
Valid to
Feb 26, 2027
Days until expiry
204
SAN domains
*.restena.lu, restena.lu

Security headers

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

Compression: gzip · 0 cookie(s) observed

Content & assets

Headings

H1 0 · H2 22 · H3 2

Links

62 internal · 5 external · 13 broken

Images

16 total · 0 missing alt

Scripts / Styles

2 scripts · 2 stylesheets

JS / CSS size

246 KB · 257 KB

Page size

45.3 KB

Robots.txt & Sitemap

robots.txt
Found
Disallow rules
22
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://restena.lu
Final URL
https://restena.lu
HTTP status
200
HTTP version
HTTP/2
Response time
141 ms
HTML size
45.3 KB
Redirect chain
https://restena.lu

See something wrong on this report? Request a correction

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RESTENA - Fondation RESTENA, LU

Frequently asked questions

What technology does restena.lu use?
restena.lu is built with Drupal, Nginx.
Is restena.lu secure (HTTPS)?
Yes. restena.lu uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 26, 2027.
Who hosts restena.lu?
restena.lu is hosted on RESTENA - Fondation RESTENA, LU.
What is restena.lu's SEO score?
restena.lu scored 60/100 for SEO in the latest analysis (fair).
What is restena.lu's overall website score?
restena.lu has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
Has restena.lu's score changed over time?
restena.lu's overall score has improved by 1 point (from 85 to 86) since Jul 26, 2026.