What powers 
ub.edu?
Last seen Sep 2026 · 286 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 Oct 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
- Sep 2026 petalbot removed from robots.txt
- Sep 2026 petalbot added to robots.txt
- Sep 2026 petalbot removed from robots.txt
- Aug 2026 petalbot added to robots.txt
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| c2h4 lewis structure | #4 | 1,200 |
| university of barcelona | #3 | 530 |
| rhine location | #6 | 410 |
| ylvis the fox | #16 | 320 |
| gauthier | #81 | 320 |
| nevermore poem | #53 | 230 |
| e with accent aigu | #59 | 230 |
| e accent aigu | #68 | 230 |
| logos barcelona | #1 | 200 |
| ethylene lewis structure | #11 | 170 |
| ylvis what the fox say | #30 | 160 |
| gim | #24 | 130 |
| denzel washington inside man | #34 | 120 |
| e accent | #56 | 120 |
| rhine river europe | #35 | 85 |
| stanford encyclopedia | #14 | 83 |
| university of barcelona | #9 | 81 |
| university of barcelona tuition fee | #1 | 79 |
| miniexcavator | #76 | 78 |
| hannah arendt | #53 | 70 |
| descant recorder | #55 | 70 |
| 20 lb propane tank | #78 | 70 |
| 3 3/4 as a decimal | #52 | 70 |
| terra cotta | #84 | 69 |
| eale | #6 | 64 |
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
- 55% desktop
- 43% phone
- 2% tablet
Spain
Algeria
Iraq
United States
Italy
Mexico
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
8.62 / 10 · ranked #1,523 of all domains
8,275 referring domains · OpenPageRank
Search traffic
11,300 est. monthly organic visits (US)
24,177 keywords in Google's top 30
Core Web Vitals
| LCP | 2.4 s |
| INP | 100 ms |
| CLS | 0.05 |
| TTFB | 1500 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Catalan (Spain)
- Weight: 1.7 MB · 23 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
infn.it 27 sharedunt.edu.ar 26 shared
wisc.edu 43 shared
ipb.ac.id 34 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- Institut d’Economia de Barcelona (University of Barcelona on Wikidata)
- Founded: 1842
- Country: Spain
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on CESCA-AC (161.116.109.141)
- DNS: rediris.es
- Email: Proofpoint Essentials
- Email security: SPF (hard fail), DMARC monitor only, CAA
- SSL: Let's Encrypt, RSA 2048, expires Dec 2026
- Common Crawl link graph: rank 531, 497 hosts
- Verified with: Adobe, Apple Business, Google, Meta Business, Microsoft 365, Sophos
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| masterdireccioncomercial.ub.edu | 37 |
| www.neurociencies.ub.edu | 35 |
| museuvirtual.ub.edu | 34 |
| cursossccm.ub.edu | 33 |
| tellus.ub.edu | 30 |
| mastermarketingdigital.ub.edu | 29 |
| www.alumni.ub.edu | 28 |
| www.pcb.ub.edu | 27 |
| mediosindigenas.ub.edu | 26 |
| www.mecenes.ub.edu | 26 |
| rrhhauten.ub.edu | 25 |
| web.ub.edu | 25 |
| www.cemic.ub.edu | 25 |
| www.fbg.ub.edu | 25 |
| www.bq.ub.edu | 24 |
| www.il3.ub.edu | 23 |
| cursosmedicinaintensiva.ub.edu | 22 |
| il3.ub.edu | 22 |
| perseuauten.ub.edu | 22 |
| shop.ub.edu | 22 |
| www.ub.edu | 22 |
| bid.ub.edu | 21 |
| ieb.ub.edu | 21 |
| agora.ub.edu | 20 |
Full technology history →
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Recent changes
- dropped Adobe Experience Manager Sep 2026
- dropped Adobe Experience Platform Launch Sep 2026
- dropped Akamai mPulse Sep 2026
- dropped Amazon ALB Sep 2026
- dropped AMP Sep 2026
- dropped Cloudflare Browser Insights Sep 2026
- dropped Criteo Sep 2026
- dropped crypto-js Sep 2026
- dropped Decibel Sep 2026
- dropped Insider Sep 2026
- dropped Medallia Sep 2026
- dropped Optimise Sep 2026
- dropped Pinterest Conversion Tag Sep 2026
- dropped styled-components Sep 2026
- dropped decimal.js Aug 2026
- detected Fathom Aug 2026
- detected Google AdSense Aug 2026
- detected Redis Aug 2026
- detected Redis Object Cache Aug 2026
- detected Adobe Experience Manager Jul 2026
- detected Adobe Experience Platform Launch Jul 2026
- detected Akamai mPulse Jul 2026
- detected Amazon ALB Jul 2026
- detected Complianz Jul 2026
- detected Criteo Jul 2026
- detected crypto-js Jul 2026
- detected Decibel Jul 2026
- dropped Google Code Prettify Jul 2026
- detected Gutenberg Jul 2026
- detected Insider Jul 2026
- detected Klarna Checkout Jul 2026
- detected Medallia Jul 2026
- dropped MooTools Jul 2026
- detected Optimise Jul 2026
- detected Pinterest Conversion Tag Jul 2026
- detected RankMath SEO Jul 2026
- dropped Weglot Jul 2026
- detected Zepto Jul 2026
- detected AMP Jun 2026
- dropped Apache Tomcat Jun 2026
- detected Cloudflare Browser Insights Jun 2026
- detected decimal.js Jun 2026
- dropped Genesis theme Jun 2026
- dropped mod_jk Jun 2026
- dropped Plesk May 2026
- dropped Selectize May 2026
- dropped WordPress Super Cache Apr 2026
- dropped AOS Mar 2026
- dropped WPForms Mar 2026
- detected Pinterest Feb 2026