What powers calcs.com?
Last seen Jun 2026 · 38 technologies across 20 categories
Analytics
Google Analytics
since Sep 2025
HubSpot Analytics
since Sep 2025
Linkedin Insight Tag
since Sep 2025
CDN
Amazon CloudFront
since Sep 2025
Amazon S3
since Sep 2025
Cloudflare
since Sep 2025
Google Hosted Libraries
since Sep 2025
jsDelivr
since Sep 2025
Customer data platform
Segment
since Sep 2025
Development
Turbopack
since Jun 2026
Ecommerce
Webflow Ecommerce
since Sep 2025
Font scripts
Google Font API
since Sep 2025
JavaScript frameworks
JavaScript graphics
JavaScript libraries
Live chat
Intercom
since Oct 2025
Marketing automation
Customer.io
since Oct 2025
HubSpot
since Sep 2025
Miscellaneous
PaaS
Amazon Web Services
since Sep 2025
Page builders
Webflow
since Sep 2025
Performance
Priority Hints
since Jun 2026
Programming languages
Node.js
since Oct 2025
RUM
Datadog
since Oct 2025
Security
Cloudflare Bot Management
since Sep 2025
HSTS
since Sep 2025
Tag managers
Google Tag Manager
since Sep 2025
UI frameworks
Audience
- 81% desktop
- 18% phone
United States
India
United Kingdom
Indonesia
Canada
Australia
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
1.16 / 10 · ranked #10,341,312 of all domains
7 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 600 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Amazon CloudFront
- Weight: 0.9 MB · 60 requests
- Structured data: JSON-LD, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| calcs.com | 33 |
| app.calcs.com | 22 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped core-js Jun 2026
- dropped LiveIntent Jun 2026
- detected Next.js App Router Jun 2026
- detected Priority Hints Jun 2026
- detected Radix UI Jun 2026
- detected shadcn/ui Jun 2026
- detected Tailwind CSS Jun 2026
- detected Turbopack Jun 2026
- dropped Appcues May 2026
- dropped Amazon ALB Apr 2026
- dropped Microsoft Clarity Apr 2026
- dropped Instatus Mar 2026
- detected Appcues Dec 2025
- detected Instatus Dec 2025