Mark TellezMark Tellez

Technical SEO: Engineering for Search Visibility

As a developer with deep SEO expertise, I bridge the gap between technical implementation and search optimization. My approach combines web performance engineering, structured data implementation, and content strategy to create websites that not only rank well but convert visitors into customers. I focus on sustainable, algorithm-resistant techniques that build long-term search visibility.

Technical Proficiency and Strategic Value

My technical SEO expertise goes beyond basic optimization—it's about engineering websites from the ground up to be search-friendly. I've implemented SEO strategies across various platforms including NextJS, Django, and WordPress, consistently achieving significant improvements in organic traffic and conversions. My developer background allows me to implement technical SEO solutions that marketing-focused SEOs often miss.

Key Capabilities

Technical site audits that identify critical performance and crawlability issues
Structured data implementation for enhanced search visibility and rich results
Performance optimization for Core Web Vitals and improved user experience

Data-Driven Approach

My approach to SEO is methodical and results-focused. I combine technical expertise with data analysis to:

  • Identify and fix technical issues that prevent proper indexing
  • Implement structured data to enhance search visibility
  • Optimize Core Web Vitals for better user experience and rankings
  • Develop content strategies that align with search intent

Case Study: E-commerce Performance Optimization

For an e-commerce client, I implemented a comprehensive technical SEO strategy that included:

  • Site architecture optimization for improved crawlability
  • Schema markup implementation for product pages
  • JavaScript optimization for faster page loads
  • Mobile-first design improvements

The result: 67% increase in organic traffic and 43% improvement in conversion rates within six months.

Technical SEO for Modern Web Applications

Modern JavaScript frameworks like React and Next.js present unique SEO challenges. My expertise in both development and SEO allows me to implement solutions that maintain the benefits of these frameworks while ensuring search engines can properly crawl and index content.

I specialize in:

Server-Side Rendering

Implementing SSR solutions that deliver content to search engines while maintaining interactive user experiences

Performance Optimization

Optimizing Core Web Vitals through code splitting, lazy loading, and image optimization

Structured Data

Implementing JSON-LD and other structured data formats for enhanced search results

International SEO

Creating proper hreflang implementation and localization strategies for global businesses

Let's Improve Your Search Visibility

Looking for a technical SEO expert who understands both the development and marketing aspects of search optimization? I'm ready to help transform your website's performance and drive sustainable organic growth.