General SEO

Technical SEO

Quick Definition

Technical SEO covers everything that affects how search engines crawl, render, and index a site — Core Web Vitals, schema, sitemaps, mobile usability, JavaScript rendering.

In context

Technical SEO is the foundation everything else sits on. A site with great content but broken technical architecture won't rank. Most established sites need a technical audit every 12–24 months and after every major redesign.

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Related terms

SEO (Search Engine Optimization)

SEO is the practice of improving a website's visibility in unpaid search engine results through technical, content, and authority work.

SEM (Search Engine Marketing)

SEM is the broader category that includes both paid search advertising (PPC) and organic SEO — though many marketers use SEM as shorthand for paid search only.

CTR (Click-Through Rate)

CTR is the percentage of searchers who click your listing after seeing it in the SERP. Average CTR drops sharply by ranking position.

E-E-A-T (Experience, Expertise, Authoritativeness, Trust)

E-E-A-T is Google's quality framework — Experience, Expertise, Authoritativeness, and Trust — used by both human raters and the algorithmic systems they train.

Organic Search

Organic search refers to unpaid traffic from search engine results — the listings ranked by relevance and authority rather than ad spend.

Core Update (Google)

A core update is a periodic broad change to Google's ranking algorithms — typically rolled out 3–4 times per year and named for the month (e.g., March 2024 Core Update, August 2024 Core Update).

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