What powers calc4lab.com?
Last seen Jun 2026 · 18 technologies across 12 categories
Advertising
Analytics
Google Analytics
since May 2026
CDN
jsDelivr
since Aug 2025
Cookie compliance
Funding Choices
since Oct 2025
Font scripts
Google Font API
since Nov 2025
JavaScript libraries
Miscellaneous
HTTP/3
since Sep 2025
Programming languages
PHP
since Sep 2025
Security
reCAPTCHA
since Oct 2025
Tag managers
Google Tag Manager
since Oct 2025
UI frameworks
Web servers
LiteSpeed
since Sep 2025
Audience
- 59% phone
- 41% desktop
India
Japan
Brazil
France
Italy
Indonesia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.12 / 10 · ranked #84,843,678 of all domains
0 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2.1 s |
| INP | 150 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- Weight: 1.8 MB · 144 requests
- Structured data: JSON-LD
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
Report an incorrect detection
Recent changes
- detected core-js Jun 2026
- detected Ezoic Jun 2026
- detected FingerprintJS Jun 2026
- detected ID5 Jun 2026
- detected Prebid Jun 2026
- detected web-vitals Jun 2026
- detected Google Analytics May 2026
- detected PHP Feb 2026
- dropped PHP Dec 2025
- detected Google Font API Nov 2025
- detected Funding Choices Oct 2025
- detected Google AdSense Oct 2025
- detected Google Tag Manager Oct 2025
- dropped Nginx Oct 2025
- dropped OpenResty Oct 2025
- detected reCAPTCHA Oct 2025
- detected HTTP/3 Sep 2025
- detected LiteSpeed Sep 2025
- detected PHP Sep 2025