30 checks in Crawlability & Site Architecture. Automated Its subsection has a live automated checker in the engine.
| ID | Check | Passes when |
|---|---|---|
| 2.8.01 | Map click depth for every indexed page from homepage | Depth map generated |
| 2.8.02 | Identify pages at depth > 3 clicks from homepage | < 10% of indexed pages |
| 2.8.03 | Identify pages at depth > 5 clicks from homepage | 0 important pages |
| 2.8.04 | Validate all service pages reachable within 2 clicks | Within budget |
| 2.8.05 | Validate all location pages reachable within 2 clicks | Within budget |
| 2.8.06 | Validate blog/content hub pages reachable within 3 clicks | Within budget |
| 2.8.07 | Calculate average crawl depth across all pages | < 3.0 |
| 2.8.08 | Identify pages reachable only through search or direct URL | None (all internally linked) |
| 2.8.09 | Validate flat site architecture (important pages at depth 1-2) | Flat |
| 2.8.10 | Validate breadcrumbs reflect actual site hierarchy | Accurate |
| 2.8.11 | Validate primary navigation links to top service/category pages | Linked |
| 2.8.12 | Validate footer contains links to key structural pages | Present |
| 2.8.13 | Validate sidebar/contextual navigation reduces depth for related pages | Functional |
| 2.8.14 | Detect pages that create unnecessary depth (hub pages with single link) | None |
| 2.8.15 | Validate pagination does not push content beyond depth 5 | Within budget |
| 2.8.16 | Validate category/tag pages link directly to content (not nested categories) | Direct links |
| 2.8.17 | Calculate crawl depth distribution histogram | Right-skewed (most pages shallow) |
| 2.8.18 | Validate XML sitemap includes deep pages for crawl budget efficiency | Deep pages in sitemap |
| 2.8.19 | Detect redirect chains that artificially increase crawl depth | None |
| 2.8.20 | Validate internal link anchor text provides crawl context | Descriptive |
| 2.8.21 | Validate top-level pages pass PageRank efficiently to deeper pages | Distributed |
| 2.8.22 | Detect crawl traps (infinite depth from parameter variations) | None |
| 2.8.23 | Validate nofollow not used on important internal links | Follow enabled |
| 2.8.24 | Validate JavaScript navigation does not create hidden depth layers | Crawlable |
| 2.8.25 | Validate mobile navigation has equivalent depth to desktop | Equivalent |
| 2.8.26 | Detect pages accessible only via search functionality | Also internally linked |
| 2.8.27 | Validate important pages have multiple inbound paths (redundant reachability) | >= 2 paths |
| 2.8.28 | Validate crawl depth does not vary between Googlebot and user agents | Consistent |
| 2.8.29 | Detect pages where crawl depth changed after recent redesign | Flagged for review |
| 2.8.30 | Compute Crawl Depth Optimization Score | Finalized |
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See plansMachine-readable: catalog totals and the full catalog as JSON (IDs, section, weight, status).