What powers sergiocalderon.com?
Last seen Sep 2026 · 26 technologies across 14 categories
CMS
WordPress
since Jan 2023
Databases
MySQL
since Jan 2023
Font scripts
Font Awesome
since Feb 2026
JavaScript frameworks
JavaScript libraries
LazySizes
since Jan 2024
Miscellaneous
Page builders
WordPress Block Editor
since Feb 2026
Performance
Priority Hints
since Jan 2024
Programming languages
PHP
since Jan 2023
Security
HSTS
since Feb 2026
Web servers
LiteSpeed
since Feb 2026
Webmail
Google Workspace
since Jan 2023
WordPress plugins
Litespeed Cache
since Feb 2026
RankMath SEO
since Jan 2024
WordPress themes
AI Crawlers
robots.txt could not be read at the last check (Oct 2026), so its policy is unknown.
- robots.txt not checked
- llms.txt not checked
- ai.txt not checked
AI Crawlers
Policy unknown
Audience
- 100% phone
Spain
Where the site's Chrome visitors come from, largest estimated audience first.
Open Page Rank
0.50 / 10 · ranked #24,472,738 of all domains
1 referring domains · OpenPageRank
Core Web Vitals
| LCP | 2 s |
| INP | 75 ms |
| CLS | 0 |
| TTFB | 1300 ms |
Real user p75, Chrome UX Report, Sep 2026.
Page
- Language: Spanish
- Weight: 0.2 MB · 26 requests
- WordPress theme: blocksy (child: blocksy-child) · all themes
- Structured data: JSON-LD, Microdata, OpenGraph, Twitter Cards
Homepage as crawled by the HTTP Archive, Oct 2026.
Organisation
- Sergio Calderón
- Industry: Professional services (declares
ProfessionalService) - Profiles: Facebook, X, YouTube, LinkedIn, Instagram
From the homepage's own structured data (Oct 2026).
Infrastructure
- Hosted on LUCUSHOST (213.236.2.30)
- DNS: lucushost.com
- Email: Google Workspace
- Email security: SPF (soft fail), DMARC monitor only
- SSL: Let's Encrypt, RSA 2048, wildcard, expires Nov 2026
- Common Crawl link graph: rank 79,465,057, 2 hosts
- Verified with: Google, Meta Business, Pinterest
DNS records as swept Oct 2026, certificate as seen Oct 2026. How the web is hosted
Full technology history →
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Recent changes
- dropped Google Maps Aug 2026
- dropped lit-element Aug 2026
- dropped lit-html Aug 2026
- dropped core-js Mar 2026
- dropped Download Monitor Mar 2026
- dropped Gutenberg Mar 2026
- dropped Lodash Mar 2026
- dropped Nginx Mar 2026
- dropped SiteGround Mar 2026
- dropped Tailwind CSS Mar 2026
- dropped WhatsApp Business Chat Mar 2026
- dropped WooCommerce Mar 2026
- dropped Burst Feb 2026