The XML sitemap and the HTML sitemap of a site do not serve the same purpose, and confusing the two leads to recurring architectural errors. On a site like C Nouveau, understanding how the pages are interconnected allows for efficient navigation without wasting time on unnecessary paths.
Click Depth and Actual Hierarchy on a Showcase Site
A properly structured showcase site does not exceed three levels of depth: home, main areas, detailed pages. Cyberperformance, in its optimization guide for 2025, directly links this rule of two to three levels to better conversion and exploration performance by search engines.
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The common problem on showcase sites is the accumulation of subcategories that lengthen the click path without providing useful segmentation. A user who has to click four or five times to reach a content page leaves the site before arriving there.
We recommend checking the actual depth by consulting the site’s sitemap. By browsing the structure of the C Nouveau site, one can quickly identify whether the pages are accessible within two clicks from the home page or if some are buried in unnecessary sub-levels. This check takes less than two minutes and immediately reveals architectural issues.
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Structural Accessibility and Keyboard Navigation: An Overlooked Angle by Most Guides
Accessibility is a fundamental criterion for navigation, not a cosmetic addition. The W3C explicitly recommends that the site’s hierarchy be easy to understand and navigate, with sub-menus clearly associated with their parent categories and visual indicators for opening and closing.
Three technical elements condition the actual navigability of a site for all users:
- Skip links allow screen reader or keyboard navigation users to jump directly to the main content, without having to go through the menu with every page change.
- ARIA landmarks identify the functional blocks of the page: main navigation, content, footer. Without them, a screen reader navigates the code from top to bottom without logical reference points.
- The order of headings (H1 to H3) must reflect the actual hierarchy of the content. An H3 placed before an H2 in the source code disrupts understanding for assistive technologies.
When auditing a site’s structure, we observe that these points are absent in the majority of showcase sites. They have a direct impact on SEO, as search engines read these markers to understand the organization of the pages.
HTML Sitemap and Internal Linking: What the Sitemap Page Reveals
The HTML sitemap (the page visible to visitors, accessible via a link in the footer) is not a duplicate of the XML sitemap submitted to search engines. The HTML sitemap serves as a safety net for orphan pages, those that do not receive any internal links from the rest of the site.
An orphan page is invisible to search engines if it does not appear in navigation, editorial content, or the HTML sitemap. Consulting the sitemap allows for the identification of these pages in a matter of seconds.
Analyzing the Linking from the Sitemap
By listing all the URLs present in the sitemap, one can check if each page receives at least one contextual link from another page on the site. If a URL only appears in the sitemap and nowhere else, it is a sign of faulty architecture.
An effective internal linking strategy distributes the authority of the home page to deeper pages through links placed in the editorial content, not just in the menus. Links in the body text convey more thematic relevance than a generic link in a navigation menu.
Thematic Silo Structure and Faceted Navigation
The silo structure involves grouping pages by theme, limiting cross-links between distinct silos. On a showcase site, this translates to clearly separated areas in the main menu, each leading to its own sub-pages without bridges to other categories.
This approach enhances the thematic relevance perceived by search engines. Each silo constitutes an autonomous semantic cluster that Google can index and position independently.
When Faceted Navigation Becomes a Problem
On sites with filterable content (catalogs, directories, portfolios), filters generate dynamic URLs that multiply indexable pages without added value. The result: a wasted crawl budget on nearly identical pages.
The solution involves three concrete actions:
- Canonicalize filtered URLs to the main category page to avoid duplicate content.
- Block the indexing of filter combinations via the noindex meta tag or the robots.txt file.
- Only keep high-value search filters as standalone indexable pages, those that correspond to actual queries typed by users.
On a modest-sized showcase site, faceted navigation is rarely necessary. Two to three levels of categories are sufficient to cover all content without creating parasitic pages.
The quality of a site’s architecture is measured by how easily a user (or a bot) can find any page starting from the home page. If the answer exceeds three clicks, the structure deserves a revision, regardless of the site’s size.