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SEO

What is SEO (Search Engine Optimization)?

The discipline of increasing a website's organic (unpaid) visibility on Google and other search engines.

Detailed definition

SEO has three main components: technical SEO (site speed, mobile usability, structured data, indexability), content SEO (content that meets user intent and answers the questions people search for) and off-page SEO (links, brand mentions, local signals). In Google's quality assessment the E-E-A-T framework (experience, expertise, authoritativeness, trust) is central, and generative features such as AI Overviews draw on the same index and the same core rules. How long results take depends on the site's starting point and the competition and can run to months; the work is continuous and rankings are not guaranteed.

Examples

  • Appearing first in the organic results for a search such as "dental clinic in Istanbul" is the outcome of SEO (not advertising).
  • Enriching an e-commerce store's product pages with schema markup is technical SEO work.

Related terms

GEO (Generative Engine Optimization) Work aimed at getting a brand mentioned accurately and consistently in AI answers from ChatGPT, Perplexity, Gemini and similar tools; according to Google, it is a continuation of SEO. On-Page SEO The SEO optimisation carried out on the page itself: title, meta description, heading hierarchy and content quality. Backlink A link given to your site from another site. One of the most important off-page signals in SEO. E-E-A-T (Experience, Expertise, Authoritativeness, Trustworthiness) The framework Google uses in quality assessment: experience, expertise, authoritativeness and trust. It is not a direct ranking factor. Core Web Vitals The three main metrics Google uses to measure site performance: LCP, INP and CLS.
Category SEO

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From the same category

Other terms in the SEO category

LCP (Largest Contentful Paint) How long the page's main content block (usually the hero image or heading) takes to load. Good: <2.5s, poor: >4s. CLS (Cumulative Layout Shift) The total score for unexpected layout shifts while the page loads. Good: <0.1. Schema.org / Structured Data A shared vocabulary for marking up information on web pages (products, prices, organisations, articles) in fields machines can read; used for Google rich result eligibility, with no ranking guarantee. Canonical URL The <link rel="canonical"> tag that tells Google the "main" URL of a page. hreflang The link attribute that states which language sits at which URL on multilingual or multi-region sites. Meta Description The short description that can appear under the title in Google search results. It is not a ranking factor but influences whether people click.
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