What powers crucialfour.com?
Last seen Jun 2026 · 14 technologies across 10 categories
Analytics
Ahrefs
since Jun 2023
Microsoft Clarity
since Dec 2025
CDN
Cloudflare
since Apr 2020
Ecommerce
Cart Functionality
since Aug 2020
Shopify
since Apr 2020
Font scripts
Google Font API
since Apr 2020
Miscellaneous
HTTP/3
since Sep 2022
Open Graph
since Sep 2022
Payment processors
Performance
Priority Hints
since Feb 2023
Reviews
Security
HSTS
since Sep 2022
Webmail
Google Workspace
since Aug 2022
Audience
- 55% phone
- 45% desktop
United States
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.95 / 10 · ranked #3,713,386 of all domains
17 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 100 ms |
| CLS | 0.1 |
| TTFB | 700 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.2 MB · 62 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js May 2026
- dropped LoyaltyLion May 2026
- detected Priority Hints Apr 2026
- detected core-js Mar 2026
- detected LoyaltyLion Mar 2026
- dropped Attentive Dec 2025
- detected Microsoft Clarity Dec 2025