An SEO glossary of terms every marketer should know in 2026
A practical, current glossary covering the essential SEO terminology every marketer should be comfortable with, from foundational concepts to 2026-specific terms.
6 min read
SEO Algorithms & Updates
A practical comparison of the schema types most likely to earn a rich result in Google search, and which ones exist mainly for machine understanding without a visible rich result payoff.
Schema.org defines hundreds of structured data types, but only a specific subset is currently eligible for a visible rich result in Google search. Understanding which is which prevents wasted implementation effort chasing a visual outcome that a particular schema type was never going to produce.
Organization, WebSite and BreadcrumbList schema, among others, primarily help search engines and AI systems understand your site's structure and identity, without necessarily producing their own distinct visual rich result — their value lies in disambiguation and entity understanding rather than a visible SERP feature.
Not every valid, correctly implemented schema type is trying to earn you a rich result — some exist purely to help machines understand who and what you are, which matters just as much for AI answer engines.
Google's rich results eligibility documentation maintains the current, authoritative list, since eligibility changes over time as Google adds or occasionally removes support for specific rich result types.
No — correct implementation makes you eligible, but Google decides whether and when to actually display the rich result based on its own broader relevance and quality assessment.
Yes, and this is common — a product page might combine Product, Organization, and BreadcrumbList schema together, each serving a different purpose.
Not necessarily identically — AI systems may find value in structured data types (like Organization or FAQPage) even without a traditional rich result attached, since the structured facts themselves are useful for extraction and citation.
If you want help deciding which schema types are worth implementing for your specific site, talk to our team.
Check Google's own rich results eligibility list before implementing any schema type expecting a specific visual payoff — not every valid schema type currently triggers a rich result in search.
Written by Fibvo — Bengaluru and Erode, India — working with clients in other time zones. Questions, or think we have it wrong? Tell us.
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