Reference entries (22)
- referenceBoucher & Jones IA recommendation: Pattern A + hub-and-spoke, NOT enterprise matrix
- referenceReference: 5 URL structure patterns for multi-vertical IA (A through E), with field-observed usage
- referenceReference: which IA pattern to use, by business shape (decision matrix)
- referenceField survey (May 2026): the /for-<audience>/ URL pattern was observed on ZERO of 8 multi-vertical service sites
- referenceHUB International: parallel /industries/ + /products/ with industry sub-pages where complexity warrants
- referenceFastenal: NO /industries/ IA at all — product+service-first nav. The steel-manned alternative.
- referenceDentons: explicit Industries × Practices matrix at /find-your-dentons-team/ — "organized around your business agenda"
- referenceBDO USA: mirrors Crowe — /industries/<slug>/ pattern with separate /services/ namespace
- referenceCrowe LLP: cleanest /industries/<slug>/ URL pattern in the sample (Audit/Tax/Advisory/Consulting × industries)
- referenceE.H. Wolf & Sons: closest direct B&J analog — "Industries We Serve" + 16 flat-root vertical pages
- referenceRelaDyne: /products-solutions/<industry>/ namespace, ~19 verticals, multi-axis IA ("By Industry / Product / Brand / Service")
- referenceSchema.org: Service.audience accepts Audience | PeopleAudience | BusinessAudience with audienceType as free-text
- referenceJohn Mueller on internal linking: "one of the biggest things that you can do on a website"
- referenceGoogle Search Central: faceted navigation creates combinatorial duplicate URLs; not search-friendly by default
- referenceMueller on near-duplicate vertical/location pages: fold them into one stronger page unless each has something unique
- referenceJohn Mueller: Google does NOT penalize duplicate content for localized websites — it consolidates
- referenceInformation Architecture: For the Web and Beyond, 4th ed. (Rosenfeld/Morville/Arango, O'Reilly 2015) — the canonical IA reference
- referenceNN/g mega-menu hover protocol: wait 0.5s before showing, then display within 0.1s
- referenceJakob Nielsen: "Mega menus show everything at a glance, so users can see rather than try to remember"
- referenceNN/g: five recurring problems with role-based navigation (Laubheimer, 2022)
- referenceNN/g: audience-based navigation "will often degrade usability" (Laubheimer, Aug 14 2022)
- referenceResearch brief: Information architecture for service businesses with multiple verticals (piece 6 of 15)