What powers free-online-calculator-use.com?
Last seen Jun 2026 · 46 technologies across 18 categories
Advertising
33Across
since Mar 2026
Amazon Advertising
since Jun 2021
AppNexus
since Aug 2018
Criteo
since Aug 2018
DoubleClick Ad Exchange (AdX)
since Apr 2018
Ezoic
since Apr 2021
Google AdSense
since Apr 2018
Google Publisher Tag
since Feb 2021
LiveIntent
since Mar 2026
OpenX
since Apr 2022
PubMatic
since Nov 2020
Rubicon Project
since Mar 2022
Tapad
since Mar 2023
TripleLift
since Aug 2023
Twitter Ads
since Jul 2021
Advertising Networks
DoubleClick for Publishers (DFP)
since Aug 2018
Analytics
comScore
since Apr 2018
Google Analytics
since Aug 2018
Quantcast Measure
since Aug 2018
Snowplow Analytics
since Jul 2023
Authentication
Facebook Login
since Jul 2021
CDN
Cookie compliance
Conversant Consent Tool
since Aug 2023
Font scripts
Google Font API
since Nov 2022
JavaScript libraries
Marketing automation
MailChimp
since Apr 2018
Miscellaneous
PaaS
Amazon Web Services
since May 2022
Performance
Priority Hints
since Mar 2026
Reverse proxies
RUM
Cloudflare Browser Insights
since Nov 2025
Security
Segmentation
Adobe Audience Manager
since Oct 2022
Tag managers
Google Tag Manager
since Aug 2018
Widgets
Audience
- 58% desktop
- 41% phone
- 1% tablet
United States
United Kingdom
Canada
Australia
Philippines
India
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
2.85 / 10 · ranked #1,871,986 of all domains
43 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.4 s |
| INP | 175 ms |
| CLS | 0.1 |
| TTFB | 500 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: English
- CDN: Cloudflare
- Weight: 1.1 MB · 62 requests
- Structured data: Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Subdomains
| Host | Techs |
|---|---|
| www.free-online-calculator-use.com | 41 |
| m.free-online-calculator-use.com | 13 |
Full technology history →
Report an incorrect detection
Recent changes
- detected Cloudflare Bot Management May 2026
- detected Facebook Pixel May 2026
- detected 33Across Mar 2026
- detected Adobe Audience Manager Mar 2026
- detected Amazon Advertising Mar 2026
- detected AppNexus Mar 2026
- detected Conversant Consent Tool Mar 2026
- detected core-js Mar 2026
- detected Criteo Mar 2026
- detected Google Publisher Tag Mar 2026
- detected ID5 Mar 2026
- detected jsDelivr Mar 2026
- detected LiveIntent Mar 2026
- detected OpenX Mar 2026
- detected Priority Hints Mar 2026
- detected PubMatic Mar 2026
- detected Rubicon Project Mar 2026
- detected Tapad Mar 2026
- detected TripleLift Mar 2026
- dropped Cloudflare Bot Management Nov 2025
- detected Cloudflare Browser Insights Nov 2025
- detected Snowplow Analytics Oct 2025