Definition · published
What is SEO?
Search engine optimization: making pages crawlable, indexable, understandable, useful, and competitive in classic search results.
Search engine optimization: making pages crawlable, indexable, understandable, useful, and competitive in classic search results. Learn how VOID applies the term, what evidence to inspect, and where the definition stops.
Reviewed 2026-07-20 · National guidance, Austin proofThe task and the failure mode
Built for: Owners, operators, marketers, and technical teams who need a shared working definition of SEO.
The term “SEO” is often used without a testable boundary. That makes briefs, audits, vendor comparisons, and performance reviews harder to evaluate.
Workflow
- 01Use the definition to state what SEO includes in the current project.
- 02Name the evidence that would show whether the SEO requirement is met.
- 03Record important exclusions, dependencies, and unknowns before implementation.
- 04Assign an accountable owner and a review date.
- 05Measure the operational or search outcome separately from completion of the task.
Evidence to retain
- SEO includes technical access, page structure, local signals, internal links, content quality, and conversion paths. No single change guarantees ranking.
- A project-specific acceptance test for SEO.
- A visible source, artifact, or observation that another reviewer can inspect.
Release checklist
- Define SEO in the project brief.
- Identify the affected routes or workflow.
- Separate verified facts from assumptions.
- Link the governing source.
- Document exceptions and risks.
- Set a review date.
Boundaries and caveats
This is VOID’s practical working definition of SEO, not a guarantee of search or business outcomes.
Platform terminology and behavior can change; verify current primary documentation before a high-impact decision.
Primary sources
- SEO: primary referencedevelopers.google.com
- Google Search Central: Creating helpful, reliable, people-first contentdevelopers.google.com