DocSearch v2 is the earlier docsearch.js version of Algolia's documentation search.
About 4,431 websites in the PageSourceSearch index contain the code that reveals it; the 50 highest-ranked are listed below.
How is DocSearch v2 (docsearch.js) detected?
The site's own code attaches the search to an input with docsearch({ options. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:
A literal is matched byte for byte, case-sensitively. Combine it with another keyword, a domain, a kind or a date filter on the search page to narrow the list. About DocSearch v2 (docsearch.js)
Top 50 websites using DocSearch v2 (docsearch.js)
Ranked by the domain's position in the crawl's ranked list (Common Crawl harmonic centrality), highest first. view source opens the stored page or script with the match highlighted. Computed 2026-09-29 19:22:26 UTC.
<script> docsearch({ apiKey: '50fe39c839958dfad797000f33e2ec17', indexName: 'jekyllrb', inputSelector: '#docsearch-input', enhancedSearchInput: true, debug: false // Set debug to true if you want to i
Questions about finding DocSearch v2 (docsearch.js)
How does PageSourceSearch know a website uses DocSearch v2 (docsearch.js)?
By the source itself: The site's own code attaches the search to an input with docsearch({ options. PageSourceSearch stores the raw HTML and first-party JavaScript of each crawled site and matches the keyword byte for byte, so every listed site's stored source contains it.
Is this a complete list of websites using DocSearch v2 (docsearch.js)?
No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 4,431 websites that do; the count is the index's estimate at the time the list was computed. Run the keyword as a search to page through all of them, or add a kind or date filter.
How do I find websites that use DocSearch v2 (docsearch.js) together with another technology?
Search for both keywords at once: several terms separated by spaces must all be found on the same site, or with the Same page toggle in the same page. For example docsearch({ with wp-content/plugins/ lists the WordPress sites that use DocSearch v2 (docsearch.js).