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What is a sitemap in web design?

Short answer

In web design, a sitemap is the plan of every page on a site and how the pages connect. It usually looks like a page tree. Designers make it before wireframes, so the menus, content and links follow one structure. The XML sitemap for search engines is a different file that lists the finished pages.

In this answer
  1. 01Three kinds of sitemap
  2. 02What a planning sitemap looks like
  3. 03Why it comes first
  4. 04How to build one

Three kinds of sitemap

TypeWhat it doesWho uses it
Planning sitemapMaps every page and its place before design startsYou, the designer, the developer and the writer
XML sitemapLists live URLs for search engines to discoverGoogle and other search engines
HTML sitemapA clickable page list for visitors on large sitesVisitors who cannot find a page

This answer covers the planning sitemap. For the search engine file, read what an XML sitemap is.

What a planning sitemap looks like

A small business site, from homepage to detail pages
  1. HomepageWho you help, what you offer and the next step.
  2. Main sectionsServices, locations, reviews, about and contact.
  3. Detail pagesOne page for each service, city and team member.

A planning sitemap shows the site's information architecture. NN/g treats structure and navigation as two layers. Structure decides where content lives, and menus are one route to it.

Why it comes first

The sitemap decides which pages you write, how menus work and how pages link to each other. Changing it after design means redesigning menus and rewriting links. Settling it first keeps the project on budget.

Good example. A law firm's sitemap puts each practice area under one Practice Areas section, with each attorney's bio linked from the areas they handle.

Bad example. A law firm adds pages as ideas come up, so the same service appears under two menus and some pages have no way in.

How to build one

  1. List every page you need today.
  2. Group the pages into a few main sections.
  3. Decide which pages sit under each section.
  4. Mark the pages that bring calls or bookings.
  5. Check that each page has at least one way in.

Our web design projects settle the sitemap during discovery, before anyone opens a design tool.

Keep reading

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