What powers tvmcalcs.com?
Last seen Aug 2026 · 34 technologies across 22 categories
Advertising
DoubleClick for Publishers (DFP)
since Jun 2018
Google Publisher Tag
since Feb 2021
Analytics
Google Analytics
since Jun 2018
Quantcast Measure
since Jan 2016
CDN
cdnjs
since Oct 2021
Cloudflare
since May 2022
Google Hosted Libraries
since Feb 2022
jsDelivr
since Oct 2024
CMS
ExpressionEngine
since Sep 2021
WordPress
since Oct 2024
Databases
MySQL
since Oct 2024
Font Scripts
JavaScript Frameworks
JavaScript Graphics
JavaScript libraries
Miscellaneous
Highlight.js
since Jan 2016
RSS
since Oct 2024
Operating systems
Ubuntu
since Jul 2022
PaaS
WordPress.com
since Oct 2024
Page builders
WordPress Block Editor
since Oct 2024
Performance
Priority Hints
since Oct 2024
Programming languages
PHP
since Jun 2018
Security
HSTS
since Oct 2024
Tag managers
Google Tag Manager
since Jun 2018
Web frameworks
CodeIgniter
since Sep 2021
Web servers
Nginx
since Jul 2022
Widgets
ShareThis
since Jan 2016
WordPress plugins
Jetpack Boost
since Oct 2024
WordPress themes
AI Crawlers
Doesn't name any of the 33 AI crawlers we track in its robots.txt. Catch-all rules (User-agent: *) restrict some paths for every crawler, AI or not. Checked Sep 2026.
- robots.txt found
- llms.txt not found
- ai.txt not found
AI Crawlers
No AI crawlers blocked
Audience
- 87% desktop
- 13% phone
United States
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
3.41 / 10 · ranked #994,144 of all domains
78 referring domains · OpenPageRank
Core Web Vitals
| LCP | 1.1 s |
| INP | 25 ms |
| CLS | 0 |
| TTFB | 900 ms |
Real user p75, Chrome UX Report, Aug 2026.
Page
- Language: English (United States)
- Weight: 1.4 MB · 37 requests
- WordPress theme: blocksy · all themes
- Structured data: Microdata
Homepage as crawled by the HTTP Archive, Sep 2026.
Subdomains
| Host | Techs |
|---|---|
| tvmcalcs.com | 20 |
| www.tvmcalcs.com | 20 |
Full technology history →
Report an incorrect detection
Recent changes
- dropped HTTP/3 Jul 2026