What powers sera-eu.org?
Last seen Aug 2026 · 27 technologies across 18 categories
Advertising
Twitter Ads
since Apr 2023
Analytics
Cloudflare Browser Insights
since Oct 2025
Caching
Litespeed Cache
since Oct 2025
CDN
Cloudflare
since Oct 2025
CMS
Databases
MySQL
since Oct 2025
Font scripts
Font Awesome
since Apr 2023
JavaScript libraries
Miscellaneous
Operating systems
Ubuntu
since Apr 2023
Performance
Priority Hints
since Oct 2025
Programming languages
UI frameworks
Web frameworks
Google Web Toolkit
since Apr 2023
Web servers
Widgets
Twitter
since Apr 2023
WordPress plugins
Perfmatters
since Oct 2025
WordPress themes
AI Crawlers
Doesn't mention any of the 33 AI crawlers we track in its robots.txt; all are allowed by default. Checked Sep 2026.
- robots.txt found
- llms.txt not checked
- ai.txt not checked
AI Crawlers
No AI crawlers blocked
Audience
- 62% phone
- 38% desktop
South Korea
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.40 / 10 · ranked #1,002,470 of all domains
32 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 0.1 MB · 10 requests
- WordPress theme: astra · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Sep 2026.
Organisation
- sera
From the homepage's own structured data (Sep 2026).
Infrastructure
- Hosted on Cloudflare (104.21.37.254, IPv6)
- DNS: Cloudflare DNS
- Email: no MX record returned
- SSL: Google Trust Services, ECDSA P256, wildcard, expires Dec 2026
- Common Crawl link graph: rank 2,368,730, 2 hosts
DNS records as swept Sep 2026, certificate as seen Sep 2026. How the web is hosted
Subdomains
| Host | Techs |
|---|---|
| sera-eu.org | 17 |
| www.sera-eu.org | 11 |