What powers calculo21.com?
Last seen Jun 2026 · 25 technologies across 16 categories
Advertising
Google AdSense
since Jun 2020
Analytics
Google Analytics
since Jun 2020
CDN
jsDelivr
since Jul 2020
CMS
Databases
MySQL
since Jun 2020
Font scripts
Twitter Emoji (Twemoji)
since Jun 2020
JavaScript graphics
JavaScript libraries
Miscellaneous
Page builders
WordPress Block Editor
since Jul 2024
Performance
Priority Hints
since Dec 2025
Programming languages
PHP
since Jun 2020
Security
reCAPTCHA
since Apr 2022
Web servers
LiteSpeed
since Jul 2023
WordPress plugins
Litespeed Cache
since Jul 2023
WordPress themes
Audience
- 54% desktop
- 46% phone
Mexico
Colombia
Peru
Ecuador
Countries where the site has Chrome traffic, strongest markets first.
Open Page Rank
0.39 / 10 · ranked #38,656,243 of all domains
2 referring domains · OpenPageRank
Core Web Vitals
| LCP | 3.6 s |
| INP | 50 ms |
| CLS | 0 |
| TTFB | 2900 ms |
Real user p75, Chrome UX Report, Jun 2026.
Page
- Language: Spanish (Colombia)
- Weight: 1.4 MB · 58 requests
- WordPress theme: astra · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Jul 2026.
Full technology history →
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Recent changes
- dropped Google Sign-in Apr 2026
- dropped Funding Choices Jan 2026
- dropped Google Tag Manager Jan 2026
- detected Google Sign-in Dec 2025
- detected Priority Hints Dec 2025
- detected Site Kit Dec 2025
- detected Twitter Emoji (Twemoji) Dec 2025