Why is AI search one of the highest-ROI investments an online store can make in 2026? Because search is where buying intent is strongest — and where most stores quietly lose the sale. Adlibris, Sweden’s largest online bookstore, is a vivid example of what fixing search can do.
The result: Adlibris implemented AI-powered search and recommendations and achieved up to 49% sales growth with conversion rates three times higher than before.
Search is where intent lives#
A shopper who uses your search bar is telling you exactly what they want. They’ve moved past browsing and are hunting for something specific. That makes search traffic the highest-intent traffic on your site — and it makes a bad search experience the most expensive failure you can have.
For a bookstore, the problem is acute. Catalogs run to millions of titles, queries are messy (misspelled author names, half-remembered titles, “that blue book about Rome”), and a keyword-only search that returns “no results” sends a ready-to-buy customer straight to a competitor. Adlibris faced exactly this: enormous catalog, demanding shoppers, and a legacy search that couldn’t keep up.
How AI search works#
Traditional site search matches strings. If the shopper’s words don’t literally appear in your product data, the search fails. AI search matches meaning. It understands that “the new Backman novel” and “Fredrik Backman 2026” point at the same book, tolerates typos and natural phrasing, and ranks results by relevance and likelihood to convert rather than by keyword density.
Under the hood, AI search does several things a keyword index can’t:
It interprets intent semantically, so synonyms, misspellings, and natural-language queries still land on the right products. It personalizes ranking, ordering results by what this shopper is most likely to buy based on behavior. And it pairs with recommendations, so even a vague or zero-result query becomes a curated set of suggestions instead of a dead end.
That last point is why Adlibris paired AI search with recommendations. The two work as one system: search captures intent, recommendations rescue ambiguity and expand the basket.
Why 3x conversion follows#
A 49% sales lift and a tripling of conversion aren’t separate wins — they’re the same win measured two ways. When high-intent searchers reliably find what they came for, more of them check out (conversion up), and the lift on your single highest-intent segment moves the whole revenue line (sales up).
The mechanism is simple to state and powerful in effect: remove the friction between “I know what I want” and “here it is.” Every zero-result page, every irrelevant top result, every typo that breaks the query is a customer you paid to acquire and then lost at the finish line. AI search closes those gaps at the exact moment the shopper is most ready to buy.
What this means for your store#
You don’t need a million-title catalog to benefit. Any store with a search box is leaving money on the table if that box can’t handle real human queries:
- Replace keyword matching with semantic search so typos and natural phrasing still convert.
- Personalize result ranking so the most likely purchase sits at the top.
- Turn zero-result pages into recommendation pages so no query ends in a dead end.
Search is the channel where your most valuable visitors raise their hands. Make sure your store answers them.
Bring AI search to your store with CartAmplify#
CartAmplify gives your store the same AI-powered search and recommendations that helped Adlibris grow sales 49% and triple conversion. Semantic search that understands intent, plus recommendations that catch every shopper search misses.
Related reading#
- How Adlibris Tripled Conversion with Browse AI
- How Rappi Boosted Revenue with AI Search
- How Zalando Cut Content Costs 90% with Generative AI
Figures cited from publicly reported Adlibris AI case studies. Results vary by catalog, traffic, and implementation.
