What powers clseifert.com?
Last seen Jun 2026 · 48 technologies across 23 categories
Analytics
Cloudflare Browser Insights
since Apr 2026
Google Analytics
since Jun 2018
Hotjar
since Jun 2018
Quantcast Measure
since May 2019
CDN
CMS
WordPress
since Apr 2018
Cookie compliance
Cookie Script
since Jun 2022
CookieYes
since Jul 2021
Databases
MySQL
since Jun 2018
Ecommerce
Cart Functionality
since Oct 2020
Font Scripts
Google Font API
since Apr 2018
Hosting panels
Plesk
since Oct 2020
JavaScript frameworks
JavaScript graphics
JavaScript Libraries
Marketing automation
Mautic
since Jun 2018
Miscellaneous
Babel
since Mar 2020
HTTP/3
since Apr 2026
Open Graph
since Sep 2022
PWA
since Aug 2022
Twitter Emoji (Twemoji)
since Jun 2018
Operating systems
Debian
since Feb 2023
Windows Server
since May 2019
Programming languages
Reviews
Trustpilot
since Dec 2021
Security
HSTS
since Sep 2022
Tag managers
Google Tag Manager
since Apr 2018
UI frameworks
Web frameworks
Microsoft ASP.NET
since May 2019
Web servers
Widgets
Facebook
since Jun 2018
WordPress plugins
Audience
- 57% phone
- 41% desktop
- 1% tablet
Denmark
Sweden
Finland
Germany
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.16 / 10 · ranked #3,186,314 of all domains
24 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.1 s |
| INP | 950 ms |
| CLS | 0.55 |
| TTFB | 400 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 0.3 MB · 17 requests
- Structured data: OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| se.clseifert.com | 19 |
| www.clseifert.com | 18 |
| student.clseifert.com | 15 |
| abi.clseifert.com | 12 |
| clothing.clseifert.com | 12 |
| clseifert.com | 5 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Browser Insights Apr 2026
- detected HTTP/3 Apr 2026