What powers pei.si?
Last seen Jun 2026 · 21 technologies across 13 categories
Analytics
Google Analytics
since May 2019
CDN
cdnjs
since Nov 2021
Cloudflare
since May 2022
CMS
Databases
MySQL
since May 2019
Font scripts
Google Font API
since May 2019
JavaScript libraries
Modernizr
since May 2019
Miscellaneous
Operating systems
Ubuntu
since May 2019
Programming languages
PHP
since May 2019
Security
Really Simple SSL & Security
since Apr 2024
UI frameworks
Web servers
WordPress plugins
Audience
- 54% desktop
- 46% phone
Slovenia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.49 / 10 · ranked #403,316 of all domains
90 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.5 s |
| CLS | 0 |
| TTFB | 1100 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Weight: 1.9 MB · 74 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.