What technology does ulb.ac.be use?

ulb.ac.be is built with Apache.

Is ulb.ac.be secure (HTTPS)?

Yes. ulb.ac.be uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Nov 26, 2026.

ulb.ac.be is hosted on BELNET - BELNET, BE.

What is ulb.ac.be's SEO score?

ulb.ac.be scored 90/100 for SEO in the latest analysis (excellent).

What is ulb.ac.be's overall website score?

ulb.ac.be has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.

ulb.ac.be

ULB - UNIVERSITÉ LIBRE DE BRUXELLES - ULB

Last scanned Jul 25, 2026, 4:25 PM · 4 views

Overall score

Fair

Summary

L'ULB vous accueille lors de ses différentes activités d'information sur les études et la vie étudiante, sur ses campus et près de chez vous!. This website uses Apache hosted on BELNET - BELNET, BE. SEO is excellent (90/100) and accessibility is good (85/100). Security scores good (75/100) and performance fair (65/100). Top issue: No structured data (JSON-LD) found.

L'ULB vous accueille lors de ses différentes activités d'information sur les études et la vie étudiante, sur ses campus et près de chez vous!

Belgium

Hosted on BELNET - BELNET, BE

Top issues to fix

7 issues found · 1 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 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.
1 cookie without Secure/HttpOnly flags
Security
Set Secure and HttpOnly on session cookies so they can't leak over HTTP or be read by injected scripts.
No structured data (JSON-LD) found
SEO
Add JSON-LD (Organization, Article, Product…) to become eligible for rich results.
More than 20% of images are missing alt text
Accessibility
Add alt attributes to the remaining images (use alt="" for purely decorative ones).

+1 more issue — details in the sections below.

SEO

1 issue(s) found

Performance

289 ms

Security

HTTPS & header checks

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.

L'ULB vous accueille lors de ses différentes activités d'information sur les études et la vie étudiante, sur ses campus et près de chez vous!

Contact

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

Email: Cellule.Web@ulb.be

Meta tags

Title: ULB - UNIVERSITÉ LIBRE DE BRUXELLES - ULB
Description: L'ULB vous accueille lors de ses différentes activités d'information sur les études et la vie étudiante, sur ses campus et près de chez vous!
Canonical: https://www.ulb.be
Language: fr
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0
Robots meta: index, follow
Manifest

Technologies

Detected frameworks, languages, and tools.

Apache

Hosting & CDN

Hosting provider: BELNET - BELNET, BE
CDN provider: —
IP address: 164.15.242.30
ASN: AS2611 (BELNET - BELNET, BE)

DNS records

Type	Value
A	164.15.242.30
AAAA	—
MX	—
TXT	—
NS	—
CAA	—
CNAME	—
IPv6 support	No

TLS / SSL certificate

Version: TLS 1.3
Issuer: Hellenic Academic and Research Institutions CA
Subject: www.ulb.be
Valid from: Nov 26, 2025
Valid to: Nov 26, 2026
Days until expiry: 123
SAN domains: www.ulb.be, cwtest.ulb.be, bib.ulb.be, soutenir.ulb.be, formationcontinue.ulb.be, education.ulb.be, inforemploi.ulb.be, testsite.ulb.be, ulb.be, iee.ulb.be, helsci.ulb.be, enseignementobligatoire.ulb.be, livres.ulb.be, musees.ulb.be, ulb.ac.be, extension.ulb.be, espritlibre.ulb.be, www.ulb.ac.be, summerschool.ulb.be, husci.ulb.be, actus.ulb.be, portail.ulb.be, facmodele.ulb.be, techsci.ulb.be, cepulb.ulb.be, modele.ulb.be, etudiant.ulb.be, sipp.ulb.be

Security headers

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

Compression: gzip · 2 cookie(s) observed

Content & assets

Headings

H1 1 · H2 7 · H3 5

Links

248 internal · 27 external · 5 broken

Images

28 total · 8 missing alt

Scripts / Styles

4 scripts · 3 stylesheets

JS / CSS size

1.3 MB · 838 KB

Page size

360 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 6
sitemap.xml: Found
URLs in sitemap: 4111

SEO issues

No structured data (JSON-LD) found

Scan details

Requested URL: https://ulb.ac.be
Final URL: https://www.ulb.be/
HTTP status: 200
HTTP version: HTTP/1.1
Response time: 282 ms
HTML size: 360 KB
Redirect chain: https://ulb.ac.be → https://www.ulb.be/

See something wrong on this report? Request a correction

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Frequently asked questions

What technology does ulb.ac.be use?: ulb.ac.be is built with Apache.
Is ulb.ac.be secure (HTTPS)?: Yes. ulb.ac.be uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Nov 26, 2026.
Who hosts ulb.ac.be?: ulb.ac.be is hosted on BELNET - BELNET, BE.
What is ulb.ac.be's SEO score?: ulb.ac.be scored 90/100 for SEO in the latest analysis (excellent).
What is ulb.ac.be's overall website score?: ulb.ac.be has an overall SiteGraph score of 79/100, combining SEO, performance, security, and accessibility.

Top issues to fix

Organization

Contact

Meta tags

OpenGraph & Twitter Card

Technologies

Hosting & CDN

DNS records

TLS / SSL certificate

Security headers

Content & assets

Robots.txt & Sitemap

SEO issues

Accessibility issues

Scan details

Related websites

Frequently asked questions