Steps to implement a search in S&P With AEM

Set up

• Hosting: Hosting the search tool.
• Indexing: Indexing the data.
• Index frequency : Configuring the index.       

Configure

• Metadata - Used for faceting, sorting, ranking, relevance.
• Breadcrumbs - for a better navigation.
• Pagination - for a better navigation.
• Recent Searches - Search assist.
• Search suggestions(Did you mean) - Search assist.
• Auto complete - Search assist.

Fine-tune

• Promotion: Normal, Based on search result, we can promote.
• Dictionaries : Configure for better results.
• Banners : any organizational promotion.
• Redirects : Send user to a page.

Read more here

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