OpenSearch Usage Statistics

Websites using OpenSearch

Top 10k
Top 100k
Top 1m

Quantcast Top 10k
424 of 10,000


Quantcast Top 100k
2,239 of 100,000


BuiltWith Top Million
17,944 of 796,825


Entire Internet
1,861,402 of 371,356,497


Log in or Sign up for Free to see OpenSearch history back another year to September 2015. View plans for historical access back to November 2008.

The OpenSearch description document format can be used to describe a search engine so that it can be used by search client applications.

Categories: Document Standards


Top 10,000 Sites
Top 100,000 Sites
Top 1 Million Sites

This chart shows the amount of websites within the top 10k, 100k, and 1 million sites groups that are categorized as being in the specific vertical.

We know of 1,861,402 live websites using OpenSearch in our records.

View Website List

Get a list of websites using OpenSearch

Pro Screenshot

Browse groups of technologies that we track.