Websites using OpenSearch description
An OpenSearch description lets browsers add a site's search as a search engine. About 73,213 websites in the PageSourceSearch index contain the code that reveals it; the 50 highest-ranked are listed below.
How is OpenSearch description detected?
The description is linked with type application/opensearchdescription+xml. The discovery keyword is the exact bytes PageSourceSearch looks for in every stored page and script:
application/opensearchdescription+xml Search the index for it
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 OpenSearch description
Top 50 websites using OpenSearch description
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 23:01:01 UTC.
How it appears in the source
From wikipedia.org (html):
<link rel="icon" href="/static/favicon/wikipedia.ico"> <link rel="search" type="application/opensearchdescription+xml" href="/w/rest.php/v1/search" title="Wikipedia (en)"> <link rel="EditURI" type="a
See every site: search for application/opensearchdescription+xml
Questions about finding OpenSearch description
- How does PageSourceSearch know a website uses OpenSearch description?
- By the source itself: The description is linked with type application/opensearchdescription+xml. 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 OpenSearch description?
- No. The page lists the 50 highest-ranked sites in the index whose source holds the keyword, out of about 73,213 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 OpenSearch description 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 application/opensearchdescription+xml with wp-content/plugins/ lists the WordPress sites that use OpenSearch description.