eBay remains one of the largest e-commerce marketplaces in the world, with over 130 million active buyers. But with millions of listings competing for attention, optimizing your listings is no longer optional — it's essential. In this guide, you'll learn exactly how to optimize your eBay listings to rank higher in Cassini search and convert more browsers into buyers.
eBay's search engine, Cassini, is designed to show buyers the most relevant listings. Unlike simple keyword matching, Cassini evaluates multiple factors to rank listings.
Your title is limited to 80 characters on eBay — much less than Amazon or Etsy. Every character counts. Put your most important keywords first, include brand name, model number, and key identifiers. Avoid filler words like 'wow', 'look', or 'L@@K' — Cassini ignores them and they waste precious characters.
Item specifics are structured data fields like Brand, Size, Color, Material, etc. eBay heavily weights item specifics in search ranking. Fill out every single item specific available for your category — this is one of the easiest wins for eBay SEO.
Listings with complete item specifics appear in filtered searches (e.g., when a buyer filters by brand or size). If your item specifics are empty, your listing is invisible to filtered searches — and that's a huge chunk of traffic.
eBay descriptions should be clean, scannable, and mobile-friendly. Avoid heavy HTML templates — they load slowly on mobile and can hurt your ranking. Instead, use simple formatting with clear sections.
eBay allows up to 24 photos per listing — use as many as possible. The first photo is critical: it appears in search results and determines whether buyers click. Use a clean white or light background, ensure the product fills most of the frame, and show the item from multiple angles.
Cassini favors competitively priced listings. Research your competition using eBay's completed listings filter. Consider offering free shipping (eBay gives a ranking boost to free shipping listings), and use eBay's promoted listings to supplement organic ranking while you build sales history.
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