What powers certi.us?
Last seen Jun 2026 · 48 technologies across 20 categories
Analytics
Cloudflare Browser Insights
since Nov 2025
Google Analytics
since Jan 2019
Microsoft Clarity
since Jan 2026
CDN
CMS
Databases
MySQL
since May 2023
Ecommerce
Microsoft 365
since Apr 2024
Font scripts
Google Font API
since May 2023
Twitter Emoji (Twemoji)
since Dec 2025
JavaScript frameworks
JavaScript libraries
Marketing automation
Sendinblue
since Feb 2023
Miscellaneous
Open Graph
since May 2023
RSS
since May 2023
Payment processors
authorize.net
since Nov 2025
Performance
Priority Hints
since Aug 2023
Programming languages
PHP
since Jan 2019
Security
HSTS
since Nov 2025
Tag managers
Google Tag Manager
since Dec 2025
UI frameworks
Web server extensions
Web servers
WordPress plugins
Jetpack
since Nov 2025
W3 Total Cache
since Jun 2025
Audience
- 82% desktop
- 18% phone
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.62 / 10 · ranked #2,284,787 of all domains
19 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English (United States)
- CDN: Cloudflare
- Weight: 17.6 MB · 168 requests
- WordPress theme: kurigram (child: certi) · all themes
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| certi.us | 42 |
| www.certi.us | 12 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped reCAPTCHA Apr 2026
- dropped Contact Form 7 Feb 2026
- detected Microsoft Clarity Jan 2026
- detected Google Tag Manager Dec 2025
- dropped Liquid Web Dec 2025
- dropped parcel Dec 2025
- detected Site Kit Dec 2025
- dropped SWC Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025
- detected authorize.net Nov 2025
- detected Cloudflare Browser Insights Nov 2025
- detected HSTS Nov 2025
- detected Jetpack Nov 2025