What powers nbu.bg?
Last seen Aug 2026 · 89 technologies across 32 categories
Analytics
Authentication
CDN
CMS
Databases
DMS
Ecommerce
Editors
Font scripts
JavaScript Frameworks
JavaScript graphics
JavaScript libraries
Live chat
LMS
Marketing automation
Miscellaneous
Operating Systems
Page builders
Performance
Photo galleries
Programming languages
Rich text editors
Security
UI frameworks
Video players
Web frameworks
Web Server Extensions
Web Servers
Webmail
Widgets
WordPress plugins
WordPress themes
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
Top search keywords
| Keyword | Position | Est. monthly visits |
|---|---|---|
| new bulgarian university | #1 | 52 |
| new bulgarian university in sofia | #1 | 43 |
| bulgarian | #64 | 13 |
| moodle nbu | #8 | 3 |
| bulgaria university | #3 | 2 |
| e student nbu | #9 | 2 |
| bulgarian universities | #12 | 0 |
| bulgarian colleges | #45 | 0 |
| colleague services thermo fisher | #19 | 0 |
| thermo fisher colleague services | #29 | 0 |
| university sofia bulgaria | #32 | 0 |
| university of sofia bulgaria | #43 | 0 |
| university of sofia | #45 | 0 |
| university in sofia bulgaria | #23 | 0 |
| sofia university bulgaria | #44 | 0 |
| nbu e student | #99 | 0 |
| nbu e student | #95 | 0 |
| nbu e student | #93 | 0 |
| nbu e student | #91 | 0 |
| nbu e student | #89 | 0 |
| nbu e student | #73 | 0 |
| nbu e student | #69 | 0 |
| nbu e student | #63 | 0 |
| nbu e student | #57 | 0 |
| nbu e student | #53 | 0 |
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
- 70% desktop
- 30% phone
Bulgaria
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
6.85 / 10 · ranked #53,797 of all domains
616 referring domains · OpenPageRank
Search traffic
120 est. monthly organic visits (US)
44 keywords in Google's top 30
Core Web Vitals
| LCP | 0.7 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: Bulgarian
- Weight: 15.7 MB · 114 requests
- Structured data: OpenGraph
Homepage as crawled by the HTTP Archive, Sep 2026.
Similar sites
- isi-dps.ac.id 5 shared
- drugsandalcohol.ie 4 shared
- orgprints.org 4 shared
- univpgri-palembang.ac.id 4 shared
- ias.ac.in 4 shared
- uinkhas.ac.id 5 shared
- usd.ac.id 5 shared
- ihs.ac.at 3 shared
Closest technology stacks among the highest-authority sites we track; "shared" counts the distinctive technologies in common.
Organisation
- International Biennale of Glass (New Bulgarian University on Wikidata)
- Founded: 1991
- Country: Bulgaria
From the homepage's own structured data (Sep 2026) and Wikidata (CC0).
Infrastructure
- Hosted on NBU-AS (193.19.174.72)
- Email: no MX record returned
- Email security: DMARC monitor only
- SSL: DigiCert, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 40,410, 235 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| glassbiennale.nbu.bg | 37 |
| knowhowcentre.nbu.bg | 22 |
| cc.nbu.bg | 19 |
| summer.nbu.bg | 19 |
| universitetski-dnevnik.nbu.bg | 14 |
| egyptology.nbu.bg | 12 |
| kandidati.nbu.bg | 12 |
| library-blog.nbu.bg | 12 |
| masscomm.nbu.bg | 12 |
| rtc.nbu.bg | 12 |
| sledva.nbu.bg | 12 |
| talent.nbu.bg | 12 |
| archaeology.nbu.bg | 11 |
| design.nbu.bg | 11 |
| e-edu.nbu.bg | 11 |
| finearts.nbu.bg | 11 |
| mes.nbu.bg | 11 |
| bulgarianstudies.nbu.bg | 10 |
| cogsci.nbu.bg | 10 |
| computerscience.nbu.bg | 10 |
| cpo.nbu.bg | 10 |
| izkustva-i-dizajn.nbu.bg | 10 |
| kognitivna-nauka-i-psihologija.nbu.bg | 10 |
| lll.nbu.bg | 10 |
Full technology history →
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Recent changes
- detected Fluent Forms Jul 2026
- dropped Backbone.js Feb 2026
- dropped Bunny Feb 2026
- dropped Bunny Fonts Feb 2026
- detected Backbone.js Dec 2025
- detected Bunny Dec 2025
- detected Bunny Fonts Dec 2025
- detected SoundCloud Dec 2025
- detected Spotify Widgets Dec 2025
- detected TinyMCE Nov 2025
- dropped Visual Composer Nov 2025