What powers psl.eu?
Last seen Aug 2026 · 269 technologies across 51 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
- Sep 2026 *: Restricted (was Allowed)
- Sep 2026 *: Allowed (was Restricted)
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| psl | #11 | 820 |
| et | #41 | 630 |
| ecole normale superieure | #5 | 570 |
| phd | #44 | 230 |
| paris france | #72 | 210 |
| psl | #67 | 190 |
| universit psl | #1 | 120 |
| iteams | #15 | 92 |
| how long should a motivation letter be | #15 | 92 |
| m1 finance | #48 | 85 |
| university of paris | #11 | 74 |
| phd meaning | #72 | 70 |
| psl ranking | #1 | 64 |
| inria | #4 | 58 |
| paris sciences et lettres psl | #1 | 52 |
| paris sciences et lettres psl | #1 | 52 |
| institut curie | #3 | 47 |
| inserm | #4 | 47 |
| arts decoratifs | #5 | 46 |
| upsl | #67 | 43 |
| paris sciences et lettres | #1 | 43 |
| paris sciences et lettres | #1 | 43 |
| english to english | #48 | 43 |
| universit paris dauphine | #4 | 39 |
| programmes in english | #2 | 34 |
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
- 58% desktop
- 40% phone
- 2% tablet
France
United States
Tunisia
India
Vietnam
Pakistan
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.10 / 10 · ranked #6,000 of all domains
3,501 referring domains · OpenPageRank
Search traffic
5,400 est. monthly organic visits (US)
3,246 keywords in Google's top 30
Core Web Vitals
| LCP | 1.1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: French
- Weight: 6.0 MB · 60 requests
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- PSL University (PSL Research University on Wikidata)
- Founded: 2019
- Industry: Education (declares
EducationalOrganization) - Sector: higher education
- Country: France
- Profiles: X, LinkedIn, YouTube
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on Amazon Web Services (13.37.145.162)
- DNS: univ-psl.fr
- Email: Microsoft 365
- Email security: no SPF record, no DMARC record, CAA
- SSL: HARICA, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 8,954, 423 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| alumni.ephe.psl.eu | 39 |
| fondation.ens.psl.eu | 36 |
| ms-erc.minesparis.psl.eu | 32 |
| www.math.ens.psl.eu | 31 |
| pslhousing.psl.eu | 29 |
| sacre.psl.eu | 29 |
| admissibles.minesparis.psl.eu | 27 |
| collegedoctoral.psl.eu | 27 |
| itev.ephe.psl.eu | 26 |
| www.chimieparistech.psl.eu | 26 |
| www.minesparis.psl.eu | 26 |
| the-transition-institute.minesparis.psl.eu | 24 |
| transformation.ens.psl.eu | 24 |
| coursdusoir.psl.eu | 23 |
| histara.ephe.psl.eu | 23 |
| iheie.minesparis.psl.eu | 23 |
| media-mines.minesparis.psl.eu | 23 |
| researchday.minesparis.psl.eu | 23 |
| w3.cmh.ens.psl.eu | 23 |
| chaire-espace.ens.psl.eu | 22 |
| executive-education.minesparis.psl.eu | 22 |
| www.misl.minesparis.psl.eu | 21 |
| archive.cnsad.psl.eu | 20 |
| bauhausdestransitions.minesparis.psl.eu | 20 |
Full technology history →
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Recent changes
- detected crypto-js Aug 2026
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