Manage search relevance in SharePoint Server
APPLIES TO: 
2013 2016 2019 Subscription Edition 
SharePoint in Microsoft 365
The following articles provide information about how you manage relevance to improve classic search results in SharePoint Server. Some settings also impact the modern search results, see Differences between the search experiences in SharePoint Server.
| Content | Description |
|---|---|
| Manage query spelling correction in SharePoint Server | Learn how to include single words in or exclude single words from query spelling corrections to help correct spelling errors in queries in the classic search experience. |
| Manage query suggestions in SharePoint Server | Query suggestions are phrases that you want the search system to suggest to users as they start typing a query. This article explains how to switch query suggestions on or off for the classic search experience. It also explains how you can add phrases to the automatic query suggestions, and how you can add phrases that should not be used as query suggestions. |
| Create and deploy a thesaurus in SharePoint Server | Learn how to create and deploy a thesaurus to expand queries with synonyms in the classic search experience. |
| Configure authoritative pages in SharePoint Server | Learn how to specify authoritative pages and non-authoritative URLs and sites. Classic search uses the list of authoritative pages to calculate the ranking of results. |
| Manage query rules in SharePoint Server | Learn how to improve search results in the classic search experience by creating and managing query rules. |
| Configure result sources for search in SharePoint Server | Result sources limit searches in the classic search experience to certain content or to a subset of search results. Learn how to create and manage result sources. |
| Create and deploy custom entity extractors in SharePoint Server | Learn to create custom entity extractors and how to use them to set up custom refiners in the classic search experience. Create one or more custom entity extraction dictionaries and connect them to managed properties. |
| Manage company name extraction in SharePoint Server | Learn how to include company names to be extracted from content for search results in the classic search experience, or how to exclude company names from being extracted. |
| Customize search result types in SharePoint Server | Create and configure custom search result types so that users can readily distinguish and preview different kinds of items in a list of search results in the classic search experience. |
| Create a custom ranking model by using the Ranking Model Tuning App | If the standard ranking models don't satisfy the relevance requirements you have, you can create a custom ranking model. With the Ranking Model Tuning App, you can do this more easily than before. |
| Configure trust for search between two SharePoint Server farms | Configure a SharePoint Server content farm that receives search queries to trust the SharePoint Server farm that sends the queries. |