What powers centrum.org?
Last seen Jun 2026 · 49 technologies across 22 categories
Advertising
Simpli.fi
since Jan 2024
Analytics
Google Analytics
since Jan 2019
CDN
Cloudflare
since Jun 2026
Google Hosted Libraries
since Jul 2023
CMS
WordPress
since Jan 2019
Databases
MySQL
since Jan 2019
Microsoft 365
since Jul 2025
Font scripts
JavaScript frameworks
JavaScript graphics
Chart.js
since Jul 2023
JavaScript libraries
Highlight.js
since Jul 2023
Isotope
since Jul 2023
LazySizes
since Jul 2023
Lightbox
since Sep 2024
PhotoSwipe
since Jul 2023
Select2
since Jul 2023
Swiper
since Jul 2023
Underscore.js
since Jul 2023
Maps
Google Maps
since Jul 2023
Marketing automation
MailChimp
since Jan 2019
Miscellaneous
Open Graph
since Sep 2023
RSS
since Dec 2022
Performance
Priority Hints
since Dec 2023
Programming languages
PHP
since Jan 2019
Rich text editors
Security
Cloudflare Bot Management
since Jun 2026
reCAPTCHA
since Jan 2026
SEO
Tag managers
Google Tag Manager
since Aug 2022
Video players
Web servers
Apache HTTP Server
since Jun 2019
WordPress plugins
Contact Form 7
since Jul 2023
MailChimp for WordPress
since Jul 2023
MonsterInsights
since Sep 2023
WordPress Super Cache
since May 2022
Audience
- 54% desktop
- 46% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
4.71 / 10 · ranked #307,168 of all domains
155 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.7 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- Weight: 3.7 MB · 132 requests
- WordPress theme: phlox-pro · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- detected Cloudflare Jun 2026
- detected Cloudflare Bot Management Jun 2026
- dropped WooCommerce Feb 2026
- detected Backbone.js Jan 2026
- detected Chart.js Jan 2026
- detected Google Hosted Libraries Jan 2026
- detected Moment.js Jan 2026
- detected MonsterInsights Jan 2026
- detected reCAPTCHA Jan 2026
- detected RSS Jan 2026
- detected TinyMCE Jan 2026
- detected Twitter Emoji (Twemoji) Jan 2026
- detected Underscore.js Jan 2026
- detected Yoast SEO Premium Jan 2026
- detected Autoptimize Dec 2025
- detected Swiper Dec 2025