Market Share by Top Websites

1 Meta Keywords is leading in Top 10K Sites, Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, OpenSearch is clearly lagging behind, losing to Meta Keywords in all segments.

Websites Categories

1 Meta Keywords has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, Shopping, Internet & Telecom and 237 other categories.

2 OpenSearch is leading in People & Society, Religion & Spirituality, Technology News, Books & Literature and one other category.


1 Meta Keywords is leading in most countries, including United States, Russia, Japan, Germany and 217 other countries.

2 OpenSearch is leading in Indonesia, Timor-Leste and Montserrat.