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Google indexation cohorts for large 3D model catalogs

A weekly workflow for tracking submitted URLs, discovered-but-not-indexed pages, crawled-but-not-indexed pages, duplicate canonical clusters, and soft 404 groups across a large product catalog.

Submitted cohort

Track URLs present in the current sitemap set and split them by page type: model pages, category hubs, keyword pages and guides. This is the baseline for crawl discovery after every sitemap refresh.

Discovered but not indexed

Use this bucket to spot pages Google can see but still deprioritizes. On Free3D Online, this usually points to weak internal linking, low-value templates or insufficient category support around model pages.

Crawled but not indexed

Treat this cohort as a page-quality signal. Review duplicate copy, thin metadata, weak schema and missing use-case content before requesting reindexing.

Duplicate and canonical clusters

Compare canonical product URLs against legacy model routes, query variants and alternate paths. Any URL that should rank must resolve to a single 200 page with a self-referencing canonical.

Weekly workflow

Refresh sitemaps, sample the newest and most popular shards, export Search Console coverage by cohort, then prioritize fixes by cluster size and business value. Start with categories and models that already attract clicks or strong query demand.

First-wave rollout for Free3D Online

Wave 1 should start with sitemap-models-recent.xml, sitemap-models-popular.xml and sitemap-categories.xml, then move into the largest high-value category shards: character-001..009, architectural-001..003, plant-001..002, animals-001..002, scanned-3d-models-001..002 and food-001..002. These categories currently carry the largest product counts and the strongest accumulated view totals in the runtime catalog.

Operational cadence in Search Console

After each sitemap refresh, inspect only representative samples: 5 URLs from recent, 5 from popular, 3 category hub URLs and 3-5 product URLs from each top category cluster. Use the coverage export to track movement between submitted, discovered, crawled, duplicate and soft-404 cohorts instead of pushing thousands of manual inspections at once.