Algolia DocSearch

https://docsearch.algolia.com/

It's free!!!

Many softwares and websites are using Algolia as a search engine (paid service).

However, a service called DocSearch provides free service for tech blogs and documentation.

Regular algolia requires the author to upload data for indexing. DocSearch uses a web crawler to periodically scrape your site just like a real search engine.

There are requirements to meet in order to use DocSearch, see details

1. Your website must be publicly available (no auth or private network).
2. Your website must be a technical documentation of an open source project or a technical blog.
3. Your website must be production ready (no empty websites nor placeholder).

To apply, you will need to provide the following information, application

1. Website URL
2. Contact Email (code snippet will be sent)
3. Repository URL (to verify if your project is open-source)