How to Rank Higher on eBay in 2025: Mastering the Cassini Algorithm

If you want to dominate eBay in 2025, there’s one thing you must master: Cassini, eBay’s search engine. Cassini decides which listings land on page one and which get buried. Sellers who understand it win visibility, traffic, and sales. Those who ignore it? They disappear.

The best part: eBay has revealed the key signals Cassini uses to rank listings. With the right strategy—and the right tools—you can align with the algorithm and boost your eBay SEO fast.

Here’s a breakdown of the seven Cassini ranking factors in 2025, plus how SellSetGo helps you optimize them at scale.

1. Item Popularity – Build Early Momentum

Cassini rewards listings that start selling quickly. Early momentum signals demand.

✔ Tip: Start with trending low-ticket items under $25. Tools like Zik Analytics reveal products with recent sales.

💡 SellSetGo Advantage: Schedule daily product uploads and bulk create listings via CSV to keep your store consistently active—a key Cassini signal.

2. Competitive Pricing – Stay Fair, Not Cheapest

Price isn’t just about being lowest. Cassini values trustworthy, competitive pricing.

✔ Tip: Small differences (even 30¢ lower than a competitor) can boost visibility without hurting profit.

💡 SellSetGo Advantage: Adjust prices across hundreds of listings in seconds using the bulk editing grid.

3. Keyword Relevance – Title Optimization Matters

Cassini relies heavily on keywords to match buyer searches. If your titles don’t reflect what buyers type in, you won’t rank.

✔ Tip: Use real search data to craft titles that mirror buyer intent.

💡 SellSetGo Advantage: Our AI-powered title generator creates optimized, keyword-rich titles proven to boost search relevance.

4. Listing Quality – Photos + Descriptions That Sell

High-quality visuals and unique descriptions are essential. Copy-pasted supplier text gets flagged as duplicate content.

✔ Tip: Rephrase descriptions using AI and enhance images with lifestyle backgrounds.

💡 SellSetGo Advantage: Store and organize images in folders, bulk update item descriptions, and apply custom templates across your entire inventory.

5. Completeness – Fill Out Every Item Specific

Cassini treats incomplete listings as low effort. Missing brand, size, or model = lower visibility.

💡 SellSetGo Advantage: The Item Specifics Optimizer lets you bulk complete and enhance specifics—boosting your SEO without manual drudgery.

6. Business Policies – Shipping & Returns as Ranking Signals

As of 2025, Cassini actively boosts listings with fast shipping and clear returns.

✔ Tip: Offer 1–2 day handling and 30-day returns when possible.

💡 SellSetGo Advantage: Apply shipping, payment, and return policies in bulk, so all your listings stay compliant and Cassini-friendly.

7. Seller Performance – Your History Matters

Cassini doesn’t just look at listings—it looks at you. On-time shipping, fast responses, low cancellations, and positive feedback all push you higher in search.

💡 SellSetGo Advantage: Keep your order history forever (eBay deletes after 90 days), so you can track trends and improve performance over time.

Why SellSetGo Is the Ultimate Cassini Companion

Cassini rewards sellers who deliver a great buyer experience. SellSetGo helps you do exactly that—at scale.

✔ Bulk editing for prices, templates, and item specifics
✔ AI-driven titles and descriptions that boost visibility
✔ Forever storage for listings, images, and order history
✔ Multi-channel integration (eBay, Shopify, and more)
✔ Vehicle compatibility tools for auto-parts sellers

With SellSetGo, you don’t just optimize one listing at a time—you build a store Cassini wants to promote.

🚀 Ready to climb to the top of eBay search?
👉 Start your free trial of SellSetGo and see how smart automation helps you rank higher, sell faster, and scale further.