What powers espersen.com?
Last seen Jun 2026 · 10 technologies across 10 categories
CDN
Google Hosted Libraries
since Feb 2022
CMS
Font scripts
Google Font API
since Jan 2019
Hosting
One.com
since Aug 2022
JavaScript libraries
Operating systems
Windows Server
since Jan 2019
UI frameworks
Bootstrap
since Jan 2019
Web frameworks
Web servers
Webmail
Microsoft 365
since Aug 2022
Audience
- 55% phone
- 45% desktop
Poland
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.85 / 10 · ranked #1,867,236 of all domains
31 referring domains · OpenPageRank
Core Web Vitals
| LCP | 0.9 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 300 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 5.7 MB · 32 requests
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Jul 2026.