What powers 
tudelft.nl?
Last seen Aug 2026 · 306 technologies across 57 categories
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AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Aug 2026 *: Restricted (was Blocked)
- Aug 2026 robots.txt appeared
- Aug 2026 * added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| tu delft | #1 | 3,000 |
| delft university of technology | #1 | 3,000 |
| tu delft university | #1 | 2,500 |
| delft | #2 | 2,400 |
| delft university netherlands | #1 | 2,300 |
| delft university netherlands | #3 | 720 |
| nederland holland | #68 | 630 |
| quantum mechanics definition | #5 | 460 |
| tu | #19 | 370 |
| da vinci helicopter | #2 | 260 |
| otec | #4 | 190 |
| msc industrial direct | #71 | 160 |
| flying v | #9 | 150 |
| delft netherlands | #6 | 150 |
| tudelft | #1 | 120 |
| upcast casting | #75 | 100 |
| retta | #92 | 100 |
| linear algebra | #47 | 100 |
| leonardo da vinci inventions helicopter | #3 | 97 |
| inaa analysis | #3 | 97 |
| new speculum design | #2 | 96 |
| tud | #7 | 92 |
| nl | #64 | 85 |
| molten salt reactor | #54 | 85 |
| differentiation | #35 | 78 |
The site's top keywords in Google (US), with the visits each one is estimated to bring per month.
Top backlinks
Top links pointing at the site, one per source domain, strongest first. The anchor text opens the page carrying the link.
AI Crawlers
No AI crawlers blocked
Audience
- 64% desktop
- 35% phone
- 1% tablet
Netherlands
India
Italy
Germany
Spain
United Kingdom
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.63 / 10 · ranked #1,480 of all domains
8,506 referring domains · OpenPageRank
Search traffic
23,300 est. monthly organic visits (US)
7,683 keywords in Google's top 30
Core Web Vitals
| LCP | 1.2 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United Kingdom)
- CDN: Google
- Weight: 1.5 MB · 20 requests
- WordPress theme: rechallenge · all themes
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- Delft University of Technology
- Founded: 1842
- Industry: Arts and entertainment (declares
Event) - Country: Netherlands
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Registered Jul 1987 (39 years) via Technische Universiteit Delft
- Hosted on TUDELFT-NL DTO TUDELFT, The Netherlands - AS (130.161.128.82)
- DNS: surfnet.nl
- Email: Microsoft 365
- Email security: no SPF record, DMARC reject, DNSSEC signed, CAA
- SSL: Let's Encrypt, ECDSA P256, expires Dec 2026
- Common Crawl link graph: rank 5,353, 1,512 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026, registration from the registry's RDAP service. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| symposium.vvtp.tudelft.nl | 31 |
| newmediacentre.tudelft.nl | 30 |
| cs.lr.tudelft.nl | 28 |
| delta.tudelft.nl | 27 |
| mv.tudelft.nl | 27 |
| asci.tudelft.nl | 25 |
| artemis.tudelft.nl | 24 |
| dare.tudelft.nl | 24 |
| ict-servicedesk.tudelft.nl | 23 |
| digipedia.tudelft.nl | 22 |
| prometheus.tudelft.nl | 22 |
| taylor.tudelft.nl | 22 |
| tresor.tudelft.nl | 22 |
| weblog.tudelft.nl | 22 |
| disc.tudelft.nl | 21 |
| studiolab.ide.tudelft.nl | 21 |
| www.x.tudelft.nl | 21 |
| adhok.bk.tudelft.nl | 20 |
| databases.tudl.tudelft.nl | 20 |
| campusdevelopment.tudelft.nl | 19 |
| collegerama.tudelft.nl | 19 |
| iamap.tudelft.nl | 19 |
| ottelab.tudelft.nl | 19 |
| arch21erasmusmc.tudelft.nl | 18 |
Full technology history →
Report an incorrect detection
Recent changes
- detected AMP Aug 2026
- detected Hello Elementor Aug 2026
- dropped BugSnag Jun 2026
- dropped metisMenu Jun 2026
- detected Complianz Apr 2026
- dropped Google Cloud Storage Apr 2026
- dropped Hotjar Apr 2026
- detected Firebase Mar 2026
- dropped Microsoft Clarity Mar 2026
- dropped hCaptcha Feb 2026
- dropped Pygments Jan 2026
- dropped Sphinx Jan 2026
- dropped Hello Elementor Nov 2025
- detected Moment Timezone Nov 2025
- dropped Recruitee Nov 2025
- detected Alpine.js Oct 2025
- detected Cookiebot Oct 2025
- detected FilePond Oct 2025