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Technical audit: SEO, performance optimizations, privacy & recruiter mode#40

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Technical audit: SEO, performance optimizations, privacy & recruiter mode#40
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copilot/optimize-performance-seo-privacy

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Copilot AI commented Feb 18, 2026

Addresses critical findings from the technical audit affecting mobile/low-end performance, SEO indexation, and form privacy.

SEO

  • sitemap.xml: Created static sitemap at root and public/ — resolves the 404 declared in robots.txt

Performance

  • Canvas Matrix Rain: Capped devicePixelRatio scaling at 1.5 (was 2) to reduce GPU cost on high-DPI screens
  • Lenis Smooth Scroll: Extended disable condition to all touch devices, not just mobile:
    const isTouchDevice = performanceManager.hardware.isMobile || ('ontouchstart' in window) || (navigator.maxTouchPoints > 0);
  • Audio Visualizer: Added silence detection to skip canvas rendering when no audio data is present:
    if (!this.dataArray.some(v => v > 0)) return;

Privacy & Anti-spam

  • Added honeypot field (_gotcha, off-screen + aria-hidden) to contact form
  • Added client-side rate limiting (SUBMIT_COOLDOWN_MS = 30000) between submissions
  • Added bilingual Formspree privacy notice with link to their privacy policy

Recruiter Mode

  • Added [ SKIP_INTRO ] button that calls endIntro() directly, bypassing the warp animation for quick portfolio access

Skip Intro Button

Original prompt

This section details on the original issue you should resolve

<issue_title>Auditoría Técnica: Optimizaciones Críticas, SEO y Privacidad</issue_title>
<issue_description>## 📋 Resumen de la Auditoría de Rendimiento y SEO

Se han identificado puntos críticos que afectan la experiencia del usuario, especialmente en dispositivos móviles y hardware de bajo rendimiento, además de omisiones técnicas en SEO y privacidad.

🚀 Hallazgos de Cuello de Botella (Móvil/Low-End)

Se destacan 3 puntos "críticos" que deben ser atendidos para estabilizar los FPS:

  1. Canvas "Matrix Rain": La resolución en pantallas high-DPI puede elevar drásticamente el costo de GPU. Se recomienda limitar el escalado.
  2. Lenis (Smooth Scroll): En móviles puede resultar antinatural y consumir CPU innecesaria. Se recomienda deshabilitarlo condicionalmente para touch devices.
  3. Loop del Visualizador de Audio: Consume recursos incluso cuando no es visible o no hay audio activo. Se recomienda implementar IntersectionObserver para pausar el ciclo de renderizado.
    • Adicional: Se detectó una inicialización en cascada que genera "Long Tasks" bloqueando el hilo principal.

🔍 SEO & Descubrimiento

  • robots.txt: Declara un Sitemap que no existe en el repositorio (Error 404).
  • Acción: Generar un archivo sitemap.xml estático para mejorar la indexación.

🔒 Privacidad y Seguridad (Formulario)

El formulario utiliza Formspree. Se recomiendan medidas mínimas de transparencia y seguridad:

  • Aviso: Añadir nota legal: "Al enviar, tus datos se procesan vía Formspree" con link a su política.
  • Anti-spam: Implementar un campo honeypot y validar rate-limits.

📅 Prioridades Sugeridas

  1. Sitemap: Corrección inmediata (Quick win).
  2. "Recruiter Mode": Implementar un salto de intro para mejorar la conversión de perfiles profesionales.
  3. Optimizaciones Críticas: Resolver los 3 puntos de la auditoría (Canvas, Lenis, Visualizer).
  4. Privacidad/Anti-spam: Ajustes finales en el formulario de contacto.</issue_description>

<agent_instructions>Trabaja en esta tarea.</agent_instructions>

Comments on the Issue (you are @copilot in this section)


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Copilot AI and others added 3 commits February 18, 2026 00:52
…privacy, skip intro

- Create sitemap.xml (fixes 404 referenced in robots.txt)
- Limit Canvas Matrix Rain DPI scaling to 1.5x (reduces GPU cost on high-DPI)
- Extend Lenis disable to all touch devices, not just mobile
- Add silence detection to audio visualizer to skip rendering with no audio
- Add honeypot anti-spam field and 30s rate limiting to contact form
- Add Formspree privacy notice below contact form
- Add SKIP_INTRO button for recruiter quick access to portfolio

Co-authored-by: kaitoartz <56949089+kaitoartz@users.noreply.github.com>
…all side-effects)

Co-authored-by: kaitoartz <56949089+kaitoartz@users.noreply.github.com>
…ract rate limit constant

Co-authored-by: kaitoartz <56949089+kaitoartz@users.noreply.github.com>
Copilot AI changed the title [WIP] Fix critical optimizations for performance, SEO, and privacy Technical audit: SEO, performance optimizations, privacy & recruiter mode Feb 18, 2026
Copilot AI requested a review from kaitoartz February 18, 2026 00:58
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Auditoría Técnica: Optimizaciones Críticas, SEO y Privacidad

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