Million-URL catalogs need batched sitemaps and disciplined coverage work with schema and thin-page controls.
Sitemaps
- Split by category or lastmod; index file aggregates
- HTML URLs only; drop faceted parameter junk
- Incremental feeds for new MPNs
- hreflang-aligned multilingual sitemaps
Coverage fixes
- Crawled-not-indexed: improve internal links + uniqueness
- Soft 404: true 404 or noindex for dead parts
- Canonical hygiene; pair with dual-engine SEO
- Performance via CWV
Support on Mall RFQ; clusters on Site Cluster. Inquire; FAQ, news, contact.
Implementation checklist
- Verified property
- Sitemaps success, no monster single file
- No spike in exclusion reasons post-template change
- Zero manual actions/security issues
- Baidu parallel ops if targeting CN
Deep dive
Indexing at scale is ops SEO — weekly coverage reviews, not semiannual glances. Fix duplicates/canonicals before spamming “Request indexing.” Pair exclusions with noindex policy.
Batch sitemaps; don’t submit one giant file that wastes crawl budget.
Related reading
Plans & conversion
Sitemap/robots on Mall RFQ; multi-domain on Site Cluster. Inquire with GSC exports.
Extended FAQ
Q: SKU bursts hurt? Low-quality bursts yes; gated release safer.
Q: Maintenance noindex whole site? Never on prod — password staging instead.
