What powers 
rum.se?
Last seen Sep 2026 · 35 technologies across 21 categories
CMS
Cookie compliance
Databases
Font scripts
Hosting
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Miscellaneous
Mobile frameworks
Operating systems
Page builders
Programming languages
Rich text editors
Security
SEO
UI frameworks
Web frameworks
Web servers
Webmail
WordPress plugins
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
AI Crawlers
No AI crawlers blocked
Audience
- 56% phone
- 44% desktop
Sweden
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
4.69 / 10 · ranked #361,032 of all domains
63 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Weight: 2.9 MB · 52 requests
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- RUM - Riksförbundet Unga Musikanter
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on ASODERLAND (91.201.60.23, IPv6)
- Email: Microsoft 365
- Email security: SPF (hard fail), DMARC reject, DNSSEC signed
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Dec 2026
- Common Crawl link graph: rank 158,912, 35 hosts
- Verified with: Meta Business, Microsoft 365
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| www.rum.se | 20 |
| ebas.rum.se | 19 |
| www.ebas.rum.se | 18 |
| stockholm.rum.se | 16 |
Full technology history →
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Recent changes
- detected Twitter Emoji (Twemoji) Jan 2026