What powers 
psu.edu?
Last seen Sep 2026 · 471 technologies across 69 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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Oct 2026 llms.txt removed
- Sep 2026 llms.txt appeared
- Aug 2026 *: Restricted (was Allowed)
- Aug 2026 google-extended removed from robots.txt
- Aug 2026 anthropic-ai removed from robots.txt
- Aug 2026 bytespider removed from robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| penn state | #1 | 167,200 |
| penn state university | #1 | 27,500 |
| pennsylvania state university | #1 | 27,500 |
| penn state university university park pa | #2 | 14,100 |
| pennsylvania state university tuition | #1 | 8,500 |
| penn state university park tuition | #1 | 8,200 |
| penn state university tuition | #1 | 8,200 |
| the pennsylvania state university | #1 | 8,200 |
| penn state campus locations | #1 | 7,900 |
| penn | #3 | 7,400 |
| psu campus | #1 | 7,300 |
| penn state tuition | #1 | 6,200 |
| penn state campus | #1 | 5,700 |
| what's causing fires in california | #1 | 5,500 |
| penn state university campus | #2 | 3,200 |
| penn state ranking | #2 | 3,000 |
| human skin tones | #3 | 2,700 |
| human skin color | #3 | 2,600 |
| penn state location | #1 | 2,500 |
| hand sanitizer and norovirus | #3 | 2,200 |
| penn state university acceptance rate | #7 | 2,200 |
| penn state majors | #1 | 2,200 |
| penn state university campus address | #1 | 2,000 |
| la fires cause | #2 | 2,000 |
| lionpath | #5 | 1,900 |
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
- 73% desktop
- 23% phone
- 4% tablet
United States
Canada
Mexico
India
Germany
Japan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
9.01 / 10 · ranked #351 of all domains
35,710 referring domains · OpenPageRank
Search traffic
580,400 est. monthly organic visits (US)
80,390 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: English (United States)
- Weight: 2.0 MB · 41 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
harvard.edu 77 shared
emory.edu 48 shared- umn.edu 50 shared
rutgers.edu 61 shared
mit.edu 71 shared
umd.edu 49 shared
wisc.edu 55 shared
ufl.edu 57 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Humanities Institute (CiteSeerX on Wikidata)
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (75.2.126.119)
- DNS: psu.edu
- Email: Microsoft 365
- Email security: no SPF record, DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 162, 4,067 hosts
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| thepennstaterhotel.psu.edu | 46 |
| www.collegian.psu.edu | 46 |
| projectcore.psu.edu | 45 |
| worldinconversation.psu.edu | 38 |
| creamery.psu.edu | 37 |
| democracy.psu.edu | 37 |
| commonwealthteaching.psu.edu | 36 |
| hi.psu.edu | 36 |
| ler.la.psu.edu | 36 |
| publicpolicy.psu.edu | 36 |
| anth.la.psu.edu | 35 |
| aplng.la.psu.edu | 35 |
| arl.psu.edu | 35 |
| www.palmermuseum.psu.edu | 35 |
| eppic.la.psu.edu | 34 |
| extension.psu.edu | 34 |
| history.la.psu.edu | 34 |
| isbm.smeal.psu.edu | 34 |
| moralconsortium.psu.edu | 34 |
| psep.smeal.psu.edu | 34 |
| dba.smeal.psu.edu | 33 |
| events.la.psu.edu | 33 |
| learn.extension.psu.edu | 33 |
| palmermuseum.psu.edu | 33 |
Full technology history →
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Recent changes
- dropped Google Ads Sep 2026
- dropped Braintree Aug 2026
- detected Contentsquare Aug 2026
- dropped Formidable Form Aug 2026
- detected OptinMonster Aug 2026
- detected OptinMonster plugin Aug 2026
- dropped Redux Framework Aug 2026
- detected Svelte Aug 2026
- detected authorize.net Jul 2026
- detected Google Cloud CDN Jul 2026
- dropped HCL Commerce Jul 2026
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- detected HubSpot Analytics Nov 2025
- detected Svelte Nov 2025