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
A company managing multiple distinct brands — whether through organic growth, acquisition, or deliberate market segmentation — faces a genuine structural decision about whether each brand should have its own separate domain, or whether they should live together under one shared domain structure.
When separate domains genuinely make sense
- Brands that need to be perceived as entirely independent, unrelated companies by customers.
- Acquired brands with existing, established domain authority worth preserving rather than migrating.
- Genuinely distinct target markets where any perceived connection between brands could create confusion or conflict.
When a shared domain structure works better
If the parent company benefits from customers knowing the brands are related — cross-selling opportunities, shared credibility, combined marketing efficiency — a shared domain with clear sub-brand sections consolidates SEO authority more efficiently than maintaining several separate, smaller domains.
The real question is not really an SEO question at all — it is a brand strategy question about whether customers should know these brands are related, and the SEO structure should follow from that answer, not decide it.
A hybrid approach
Some companies maintain separate domains for genuinely distinct customer-facing brands while consolidating internal, corporate or investor-facing content under a single parent domain — this can balance brand independence with some combined authority benefit where it matters less to customer perception.
Migrating an acquired brand's domain
If a decision is eventually made to consolidate an acquired brand's domain into the parent structure, treat this exactly as the merger redirect strategy covered elsewhere, with the same careful mapping and monitoring.
Frequently asked questions
Does maintaining several separate domains dilute overall SEO effort?
It can, since each domain needs to build its own authority and technical foundation somewhat independently — this is a genuine tradeoff worth weighing against the brand independence benefit.
Can sub-brands share a domain without appearing to compete with each other?
Yes, with a clear structure and distinct positioning for each sub-brand section, avoiding the keyword cannibalisation risk that could otherwise arise between closely related sub-brands.
Is there a right answer for every multi-brand company?
No, this genuinely depends on the specific brand strategy and customer perception goals — the SEO structure should be chosen to support that broader strategic decision, not the reverse.
If you are structuring SEO for a multi-brand company, talk to our team.
The takeaway
Choose separate domains only when the brands genuinely need to be perceived as entirely independent by customers — otherwise, a shared domain structure generally builds combined authority more efficiently.
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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