What technology does tuwien.at use?

We did not detect any specific technologies for tuwien.at in the latest scan.

Is tuwien.at secure (HTTPS)?

Yes. tuwien.at uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 6, 2027.

Hosting provider information for tuwien.at is not available yet.

What is tuwien.at's SEO score?

tuwien.at scored 70/100 for SEO in the latest analysis (fair).

What is tuwien.at's overall website score?

tuwien.at has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.

Has tuwien.at's score changed over time?

tuwien.at's overall score has improved by 6 points (from 80 to 86) since Jul 26, 2026.

tuwien.at

Technische Universität Wien | TU Wien

Last scanned Aug 2, 2026, 2:00 PM · 10 views

Overall score

Great

Summary

Homepage der Technischen Universität Wien. SEO is fair (70/100) and accessibility is excellent (100/100). Security scores excellent (90/100) and performance excellent (90/100). Top issue: Multiple H1 headings found.

Homepage der Technischen Universität Wien. TU Wien, TUW. "Technik für Menschen". News. Alles zu: Studium, Forschung, Kooperationen, Services.

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.
Multiple H1 headings found
SEO
Keep a single H1 per page and demote the others to H2/H3.
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.
robots.txt not found
SEO
Publish /robots.txt with a Sitemap: directive to guide crawlers.
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.

SEO

5 issue(s) found

Performance

291 ms

Security

HTTPS & header checks

100

Accessibility

0 issue(s) found

Score history

+6 overall since Jul 26, 2026

Overall: 86
SEO: 70
Security: 90
Performance: 90
Accessibility: 100

Organization

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

Homepage der Technischen Universität Wien. TU Wien, TUW. "Technik für Menschen". News. Alles zu: Studium, Forschung, Kooperationen, Services.

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Meta tags

Title: Technische Universität Wien | TU Wien
Description: Homepage der Technischen Universität Wien. TU Wien, TUW. "Technik für Menschen". News. Alles zu: Studium, Forschung, Kooperationen, Services.
Canonical: https://www.tuwien.at/
Language: de
Charset: utf-8
Viewport: width=device-width, initial-scale=1
Robots meta
Manifest: https://www.tuwien.at/manifest.json

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: —
CDN provider: —
IP address: —
ASN: —

DNS records

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

TLS / SSL certificate

Version: TLS 1.3
Issuer: Hellenic Academic and Research Institutions CA
Subject: tuwien.at
Valid from: Jul 22, 2026
Valid to: Feb 6, 2027
Days until expiry: 188
SAN domains: tuwien.at, www.xn--technischeuniversitt-tzb.wien, xn--technischeuniversitt-tzb.wien, www.technik.wien, www.technischeuniversitaet.wien, www.xn--technische-universitt-p2b.wien, technik.wien, technischeuniversitaet.wien, www.tuwien.at, www.tu-wien.at, tu-wien.at, www.technische-universitaet.wien, tuwien.ac.at, www.tuwien.ac.at, www.tu-wien.ac.at, technische-universitaet.wien, xn--technische-universitt-p2b.wien, tu-wien.ac.at

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 2 · H2 8 · H3 12

Links

109 internal · 19 external · 20 broken

Images

15 total · 0 missing alt

Scripts / Styles

6 scripts · 2 stylesheets

JS / CSS size

72 B · 56 B

Page size

376 KB

Robots.txt & Sitemap

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

SEO issues

Multiple H1 headings found
No structured data (JSON-LD) found
Missing OpenGraph tags
robots.txt not found
sitemap.xml not found

Scan details

Requested URL: https://tuwien.at
Final URL: https://www.tuwien.at/
HTTP status: 200
HTTP version: HTTP/2
Response time: 284 ms
HTML size: 376 KB
Redirect chain: https://tuwien.at → https://www.tuwien.at/

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Frequently asked questions

What technology does tuwien.at use?: We did not detect any specific technologies for tuwien.at in the latest scan.
Is tuwien.at secure (HTTPS)?: Yes. tuwien.at uses TLS 1.3 with a certificate issued by Hellenic Academic and Research Institutions CA, valid until Feb 6, 2027.
Who hosts tuwien.at?: Hosting provider information for tuwien.at is not available yet.
What is tuwien.at's SEO score?: tuwien.at scored 70/100 for SEO in the latest analysis (fair).
What is tuwien.at's overall website score?: tuwien.at has an overall SiteGraph score of 86/100, combining SEO, performance, security, and accessibility.
Has tuwien.at's score changed over time?: tuwien.at's overall score has improved by 6 points (from 80 to 86) since Jul 26, 2026.