The Economics of Crawl Budget
The biggest difference between a local business site (20 pages) and an Ecommerce site (20,000 pages) is Crawl Budget.
Google does not have infinite resources. If you have 10,000 products, but 5,000 of them are "Low Quality" or "Duplicates," Google will stop crawling your site before it reaches your best products.
The "Pruning" Theory
You must tell Google what NOT to index.
• Do not index "Sort by Price" URLs.
• Do not index internal search results.
• Do not index "Size" variations if the content doesn't change.
Faceted Navigation Strategy
Faceted navigation (filtering by Color, Size, Brand) creates millions of potential URLs. This is the #1 killer of Ecommerce SEO performance.
| Facet Type | Search Demand? | Strategy |
|---|---|---|
| Brand (Nike) | High ("Nike Shoes") | Indexable |
| Category (Running) | High ("Running Shoes") | Indexable |
| Price ($50-$100) | Zero | Canonical to Root |
| Sort (Newest) | Zero | Block via Robots.txt |
The Money Pages: Categories
In Ecommerce, Category Pages target your "Head Terms" (e.g., "Men's Leather Jackets"). They usually have higher search volume than individual products.
The "Thin Content" Problem
Most CMSs just list products. Google sees this as "Thin."
Fix: Add a descriptive guide at the bottom of the category page explaining how to choose the right product.
Internal Linking Hubs
Categories should link UP to parent categories and DOWN to popular products. Use breadcrumbs to reinforce this hierarchy.
Long-Tail Wins: Products
Product pages target specific intent (e.g., "Buy Nike Air Max 97 Gold"). The challenge here is Uniqueness.
Manufacturer Descriptions
Never copy/paste descriptions from the supplier. 500 other stores did the same thing. You will be filtered out as duplicate. Write unique copy.
User Generated Content (Reviews)
Reviews are free, unique content. They keep the page "fresh" in Google's eyes and add long-tail keywords you wouldn't think of.
Technical Hazards
Duplicate Content
Occurs when one product sits in two categories (e.g., /mens/shoe vs /sale/shoe).
Out of Stock Products
Do not 404 them immediately. Leave them up with "Related Products" suggestions to keep the SEO equity.
Site Speed (Core Web Vitals)
Heavy images and Shopify apps kill speed. Optimize LCP and CLS.
Speed Up Site →Scaling is Hard.
Most agencies don't know how to handle 50,000 SKUs. We do. If you need an architectural audit to unlock growth, let's talk.