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Algolia Basics

Introduction

Algolia is a powerful hosted search engine that provides fast and relevant search experiences for users. It is designed to handle large volumes of data and offers real-time search capabilities.

Key Concepts

1. Index

An index in Algolia is a collection of records. Each record is a JSON object representing an item you want to search.

2. Record

A record is a JSON object that contains data about a specific item. For example, a product in an e-commerce store.

3. Query

A query is a search request sent to Algolia to retrieve relevant records from an index based on user input.

Setup

To get started with Algolia, follow these steps:

  1. Sign up for an Algolia account.
  2. Create an application in the Algolia dashboard.
  3. Obtain your Application ID and Admin API Key from the dashboard.
  4. Install the Algolia client in your project:
npm install algoliasearch

Indexing Data

To index data, you need to create an index and add records to it. Here’s how to do it:

const algoliasearch = require('algoliasearch');
const client = algoliasearch('YourApplicationID', 'YourAdminAPIKey');
const index = client.initIndex('your_index_name');

// Sample records
const records = [
    { objectID: 1, name: 'Product 1', price: 10.99 },
    { objectID: 2, name: 'Product 2', price: 12.99 }
];

// Add records to the index
index.saveObjects(records).then(({ objectIDs }) => {
    console.log(objectIDs);
});

Search Queries

To perform a search, you can use the following code:

index.search('Product 1').then(({ hits }) => {
    console.log(hits);
});

Best Practices

  • Always keep your index up to date with the latest records.
  • Utilize Algolia's analytics to understand search behavior and improve relevance.
  • Optimize your queries by using filters and facets to refine search results.
  • Implement typo tolerance to enhance user experience.

FAQ

What is the pricing model for Algolia?

Algolia offers a tiered pricing model based on the number of records and operations per month. You can start with a free tier to test the service.

Can I use Algolia without a backend?

Yes, Algolia provides a JavaScript client that allows you to perform search operations directly from the frontend.