Market Share by Top Websites

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

2 Despite its recent growth, OpenSearch is still behind Canonical Tag in all market share segments.

Websites Categories

1 Canonical Tag has better usage coverage in more websites categories. Including Business & Industry, Arts & Entertainment, People & Society, Shopping and 239 other categories.

2 OpenSearch is leading in Religion & Spirituality, Technology News and File Sharing.


1 Canonical Tag is leading in most countries, including United States, Japan, Germany, Russia and 236 other countries.

2 OpenSearch hasn't got a lead over Canonical Tag in any country.