What technology does tudelft.nl use?

We did not detect any specific technologies for tudelft.nl in the latest scan.

Is tudelft.nl secure (HTTPS)?

Yes. tudelft.nl uses TLS 1.3 with a certificate issued by Amazon, valid until Sep 11, 2026.

Who hosts tudelft.nl?

tudelft.nl is hosted on AWS, behind CloudFront CDN.

What is tudelft.nl's SEO score?

tudelft.nl scored 85/100 for SEO in the latest analysis (great).

What is tudelft.nl's overall website score?

tudelft.nl has an overall SiteGraph score of 93/100, combining SEO, performance, security, and accessibility.

tudelft.nl

TU Delft | Technische Universiteit Delft | Challenge. Change. Impact!

Last scanned Jul 21, 2026, 12:33 PM · 2 views

Overall score

Excellent

Top issues to fix

4 issues found

Title longer than 60 characters
SEO
Shorten the title to under 60 characters so search results don't truncate it.
Meta description longer than 160 characters
SEO
Trim the meta description to under 160 characters to avoid truncation in search results.
sitemap.xml not found
SEO
Publish an XML sitemap and reference it from robots.txt to speed up page discovery.
1 broken link on the page
SEO
Fix or remove broken links — they waste crawl budget and erode user trust.

Summary

Ontdek TU Delft, de grootste en oudste technische universiteit van Nederland, met toponderwijs, toonaangevend onderzoek, 16 bachelors, 30+ masters en impact voor een betere samenleving. This website is hosted on AWS. SEO is good (85/100) and accessibility is excellent (100/100). Security scores excellent (100/100) and performance excellent (90/100). Top issue: Title longer than 60 characters.

SEO

3 issue(s) found

Performance

327 ms

100

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.

Facebook Instagram YouTube

Contact

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

Email: info@tudelft.nl

Meta tags

Title: TU Delft | Technische Universiteit Delft | Challenge. Change. Impact!
Description: Ontdek TU Delft, de grootste en oudste technische universiteit van Nederland, met toponderwijs, toonaangevend onderzoek, 16 bachelors, 30+ masters en impact voor een betere samenleving.
Canonical: https://www.tudelft.nl/
Language: nl
Charset: utf-8
Viewport: width=device-width, initial-scale=1.0
Robots meta
Manifest: https://www.tudelft.nl/_assets/2f383d4a929ad3d42eff11e81cdd4068/img/manifest.json

Technologies

Detected frameworks, languages, and tools.

No technologies detected.

Hosting & CDN

Hosting provider: AWS
CDN provider: CloudFront
IP address: 18.67.195.16
ASN: AS16509 (AMAZON-02 - Amazon.com, Inc., US)

DNS records

Type	Value
A	18.67.195.16 18.67.195.4 18.67.195.72 18.67.195.12
AAAA	2600:9000:2638:6800:1e:3ab5:ee80:93a1 2600:9000:2638:e200:1e:3ab5:ee80:93a1 2600:9000:2638:3800:1e:3ab5:ee80:93a1 2600:9000:2638:1200:1e:3ab5:ee80:93a1 2600:9000:2638:3200:1e:3ab5:ee80:93a1 2600:9000:2638:9800:1e:3ab5:ee80:93a1 2600:9000:2638:1c00:1e:3ab5:ee80:93a1 2600:9000:2638:9e00:1e:3ab5:ee80:93a1
MX	—
TXT	—
NS	ns-1424.awsdns-50.org ns-388.awsdns-48.com ns-1674.awsdns-17.co.uk ns-957.awsdns-55.net
CAA	—
CNAME	—
IPv6 support	Yes

TLS / SSL certificate

Version: TLS 1.3
Issuer: Amazon
Subject: www.tudelft.nl
Valid from: Feb 26, 2026
Valid to: Sep 11, 2026
Days until expiry: 52
SAN domains: www.tudelft.nl

Security headers

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

Compression: gzip · 1 cookie(s) observed

Content & assets

Headings

H1 1 · H2 11 · H3 17

Links

65 internal · 7 external · 1 broken

Images

21 total · 0 missing alt

Scripts / Styles

29 scripts · 2 stylesheets

JS / CSS size

591 KB · 620 KB

Page size

170 KB

Robots.txt & Sitemap

robots.txt: Found
Disallow rules: 7
sitemap.xml: Not found
URLs in sitemap: 0

SEO issues

Title longer than 60 characters
Meta description longer than 160 characters
sitemap.xml not found

Scan details

Requested URL: https://tudelft.nl
Final URL: https://www.tudelft.nl/
HTTP status: 200
HTTP version: HTTP/2
Response time: 324 ms
HTML size: 170 KB
Redirect chain: https://tudelft.nl → https://www.tudelft.nl/

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