Skip to content
Business Term

Search Engine Optimization (SEO)

検索エンジン最適化(SEO)

SEO improves a website’s visibility in organic search results through relevance, quality, and technical performance.

SEOUpdated: 04/27/2026
What it means

It includes content strategy, site structure, and performance optimization so search engines can understand and rank pages. SEO is a long‑term approach that complements, but differs from, paid search. It clarifies scope, roles, and the evidence needed to judge success.

When it helps

Search Engine Optimization (SEO) determines which customer signals should drive marketing investment. It influences channel selection and budget allocation based on measurable impact. Clear use of Search Engine Optimization (SEO) improves alignment between marketing, sales, and product.

  • Search Engine Optimization (SEO) determines which customer signals should drive marketing investment.
  • It influences channel selection and budget allocation based on measurable impact.
  • Clear use of Search Engine Optimization (SEO) improves alignment between marketing, sales, and product.
How to use it
  • Define the audience or market context before selecting tactics.
  • Measure both reach and conversion to understand true impact.
  • Use experiments to compare messages and channels.
  • Link insights to the value proposition and positioning.
  • Review results frequently and reallocate budget quickly.
Example

A retailer rebuilds category pages with clearer headings, schema markup, and faster load times. Over several months, organic traffic rises for high‑intent queries. Results are reviewed with a small set of metrics to decide the next action. The team documents what changed, what stayed the same, and why it mattered.

Common mistakes
  • Search Engine Optimization (SEO) alone does not guarantee growth without a clear offer.
  • Short‑term spikes can hide long‑term inefficiency if not measured.
  • Bigger reach is not always better if the audience is poorly defined.
Sources
SourcesKindLink
Principles of Marketing (OpenStax)Open
Next step
Move into the learning flow to build the topic from fundamentals in a more structured way.
Trust
Quality
Reviewed
Updated
04/27/2026
COI
None
Sources
1