--- title: A practical guide to search relevance metrics and evaluation description: A comprehensive guide to search relevance metrics covering precision, recall, F1 score, MAP, MRR, nDCG, ERR, AUC, and CTR. Explains formulas and when to use... canonical: https://daily.dev/posts/a-practical-guide-to-search-relevance-metrics-and-evaluation-yjcuepxxq twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: A practical guide to search relevance metrics and evaluation | daily.dev og:description: A comprehensive guide to search relevance metrics covering precision, recall, F1 score, MAP, MRR, nDCG, ERR, AUC, and CTR. Explains formulas and when to use... og:url: https://daily.dev/posts/a-practical-guide-to-search-relevance-metrics-and-evaluation-yjcuepxxq og:image: https://api.daily.dev/og/posts/yjCUePXxQ.png og:image:alt: A practical guide to search relevance metrics and evaluation og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # A practical guide to search relevance metrics and evaluation **[Meilisearch](https://daily.dev/sources/meilisearch)** · 11 min read · 0 upvotes · 0 comments ## Summary A comprehensive guide to search relevance metrics covering precision, recall, F1 score, MAP, MRR, nDCG, ERR, AUC, and CTR. Explains formulas and when to use each metric, how to measure relevance with and without manual labeling, how to evaluate search quality in production using logging, A/B testing, and KPIs, and common evaluation mistakes to avoid. Concludes with guidance on choosing the right metrics for different use cases and a brief mention of Meilisearch's ranking capabilities. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Similar posts on daily.dev - [Why MAP and MRR Fail for Search Ranking \(and What to Use Instead\)](https://daily.dev/posts/why-map-and-mrr-fail-for-search-ranking-and-what-to-use-instead--pulywvcj3) · Towards Data Science · 0 upvotes · 0 comments - [Evaluating Summary Relevance: Practical Guide for AI Teams](https://daily.dev/posts/evaluating-summary-relevance-practical-guide-for-ai-teams-bsuporowl) · PromptLayer Blog · 0 upvotes · 0 comments - [Machine Learning Model Evaluation: How Do We Know Our Model Is Good?](https://daily.dev/posts/machine-learning-model-evaluation-how-do-we-know-our-model-is-good--qekvejzgn) · Medium · 0 upvotes · 0 comments - [Your Retrieval Metrics Are Measured Against an Incomplete Answer Key](https://daily.dev/posts/your-retrieval-metrics-are-measured-against-an-incomplete-answer-key-noroy7smo) · ITNEXT · 0 upvotes · 0 comments - [How we Decide Between Keyword and Hybrid Search: 5 Enterprise Evaluation Criteria](https://daily.dev/posts/how-we-decide-between-keyword-and-hybrid-search-5-enterprise-evaluation-criteria-6cuszzvey) · DevBlogs · 0 upvotes · 0 comments --- Tags: [#meilisearch](https://daily.dev/tags/meilisearch) [View this post on daily.dev](https://daily.dev/posts/a-practical-guide-to-search-relevance-metrics-and-evaluation-yjcuepxxq) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"TechArticle","headline":"A practical guide to search relevance metrics and evaluation","url":"https://daily.dev/posts/a-practical-guide-to-search-relevance-metrics-and-evaluation-yjcuepxxq","mainEntityOfPage":{"@type":"WebPage","@id":"https://daily.dev/posts/a-practical-guide-to-search-relevance-metrics-and-evaluation-yjcuepxxq"},"datePublished":"2026-07-09T06:37:53.860Z","dateModified":"2026-07-09T06:38:15.828Z","description":"A comprehensive guide to search relevance metrics covering precision, recall, F1 score, MAP, MRR, nDCG, ERR, AUC, and CTR. Explains formulas and when to use...","image":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/076f771fc3f6997f77f9235cb64f218a?_a=AQAEuop","thumbnailUrl":"https://media.daily.dev/image/upload/f_auto,q_auto/v1/posts/076f771fc3f6997f77f9235cb64f218a?_a=AQAEuop","isAccessibleForFree":true,"articleSection":"Meilisearch","inLanguage":"en","publisher":{"@type":"Organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180}},"author":{"@type":"Organization","name":"Meilisearch","logo":"https://media.daily.dev/image/upload/s--i_EvFzBj--/f_auto/v1710504036/logos/meilisearch","url":"https://daily.dev/sources/meilisearch"},"commentCount":0,"discussionUrl":"https://daily.dev/posts/a-practical-guide-to-search-relevance-metrics-and-evaluation-yjcuepxxq","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":0},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":0}],"keywords":"meilisearch","timeRequired":"PT11M"} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"Meilisearch","item":"https://daily.dev/sources/meilisearch"},{"@type":"ListItem","position":3,"name":"A practical guide to search relevance metrics and evaluation"}]} ```