Ecommerce store owners frequently ask whether including a product number, SKU, or model number in a URL is good or bad for SEO. Some worry that numbers make URLs look messy or unfriendly, while others see them as a practical way to keep URLs unique. The short answer is yes, you can include product numbers in URLs without harming SEO, and in some cases they can actually help. The key is how you combine them with descriptive keywords and maintain a clean, consistent structure. This article explains best practices for product URLs and when product numbers make sense.
How AAMAX.CO Optimizes Ecommerce Websites
URL structure is just one element of a successful ecommerce SEO strategy. AAMAX.CO is a full service digital marketing company offering web development, digital marketing, and SEO services worldwide. They help online stores plan scalable site architectures, create clean URL patterns, and optimize product and category pages for search. Their SEO services combine technical expertise with ecommerce experience, ensuring stores are built to rank and convert from the ground up.
Do Search Engines Care About Numbers in URLs?
Search engines can crawl and index URLs that contain numbers without any problem. Google has noted that URL words are a very lightweight ranking signal, and numbers alone do not cause penalties. What matters more is that URLs are readable, consistent, and stable. A URL containing a product number is perfectly acceptable as long as it also communicates what the page is about.
When Product Numbers Help SEO
In many industries, customers search using model or part numbers. Shoppers looking for replacement parts, electronics, appliances, or industrial supplies often type exact codes into search engines because they know precisely what they need. Including these numbers in URLs, titles, and page content helps search engines match your page to those highly specific queries. These searches usually indicate strong purchase intent, making them valuable traffic sources.
The Ideal Product URL Structure
The best approach combines descriptive keywords with the product number. For example, a URL such as /cordless-drill-dcd771 is far more informative than /product?id=48392 or /dcd771 alone. This structure tells both users and search engines what the product is while preserving the unique identifier. Keep these principles in mind:
- Use lowercase letters and hyphens to separate words.
- Place descriptive keywords before the product number.
- Keep URLs reasonably short and avoid unnecessary words.
- Avoid dynamic parameters for core product pages when possible.
- Maintain a consistent pattern across your entire catalog.
Benefits of Including Unique Identifiers
Product numbers help prevent duplicate URLs when you sell many similar items. For instance, a store selling dozens of variations of a black t-shirt would struggle to create unique, meaningful URLs using words alone. Adding a SKU or model number keeps each URL distinct. Identifiers also make URLs more stable, since product names may change over time while numbers remain consistent.
Mistakes to Avoid
Avoid URLs that consist only of internal database IDs or long strings of meaningless numbers, as they provide no context and look untrustworthy when shared. Do not change product URLs frequently, because each change requires redirects and can temporarily affect rankings. Be careful with product variants, such as sizes and colors, which can create many near-duplicate URLs. Use canonical tags to consolidate signals to the primary product page when variations do not warrant separate pages.
Supporting the URL With On-Page Optimization
The URL is only one part of the equation. Include the product name and model number in the title tag, main heading, and product description. Add structured data markup with product details such as brand, SKU, price, and availability to help search engines display rich results. Write unique product descriptions rather than copying manufacturer text, which is often duplicated across many websites.
What If Your Platform Generates URLs Automatically?
Many ecommerce platforms generate URLs automatically. Review your settings to ensure they create clean, readable URLs. Most platforms allow you to customize URL handles for products and categories. If your current URLs are messy but already indexed and ranking, weigh the benefits of changing them carefully, and always implement 301 redirects if you do.
Handling Discontinued Products
Product numbers create a particular challenge when items are discontinued or replaced by newer models. Simply deleting the page can waste the authority it has built and frustrate shoppers who arrive from search results or old links. Instead, consider redirecting the URL to the closest replacement product or the relevant category page using a permanent 301 redirect.
If the product is temporarily out of stock, keep the page live, clearly communicate availability, and suggest alternatives. For products with lasting search demand, such as replacement parts for older models, keeping an informational page online can continue attracting traffic and supporting customers. Thoughtful handling of product lifecycles protects rankings, preserves link equity, and improves the experience for shoppers searching by specific model numbers.
Final Thoughts
Including product numbers in URLs is perfectly acceptable for SEO and can be beneficial when customers search by model or part number. The most effective approach pairs descriptive keywords with the identifier in a clean, consistent format. Combine strong URL structure with optimized product content, structured data, and a broader digital marketing strategy to maximize ecommerce visibility and sales.
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