
Technical SEO Is Four Gates, Not a 200-Point Checklist
What technical SEO actually covers, how Google crawls, renders, indexes and serves pages, and how to diagnose problems gate by gate.
Every Technical SEO article by Marshal Gasong, Technical SEO Specialist & Frontend Developer: guides, audits and lessons from real projects.

What technical SEO actually covers, how Google crawls, renders, indexes and serves pages, and how to diagnose problems gate by gate.

Your theme adds Product schema. Your review app adds more. Your SEO app adds a third. Here's how to find and fix duplicate schema before it costs you rich results.

Most Shopify stores worry about crawl budget for no reason. Here's how to tell if you actually have a problem, what causes real crawl waste, and how to fix it.

Shopify duplicate content explained. What Shopify already handles automatically, what still needs fixing, and how to diagnose it in Google Search Console.

Looking to hire a technical SEO specialist in Australia? This guide covers the job description, salary benchmarks, and what to expect from a freelancer or contractor.

Learn what SEO-friendly content means in 2026, from crawlability and on-page optimization to LLM citations, GEO, and AI Overviews.