site search

blog/_config.volantis.yml
search:
   enable: true
   service: hexo # hexo, google, algolia, azure, baidu
   js: https://cdn.jsdelivr.net/gh/volantis-x/cdn-volantis@2.6.4/js/search.js
   google:
     apiKey:
     engineId:
   algolia:
     applicationID:
     apiKey:
     indexName:
   azure:
     serviceName:
     indexName:
     queryKey:
   baidu:
     apiId:

The default configuration is Hexo search, but you need to install a plug-in to use it:

npm i -S hexo-generator-search hexo-generator-json-content