Market Share by Top Websites

1 IndexTools is leading in Top 100K Sites, Top 1M Sites and The Entire Web.

2 In terms of market share, Observer is clearly lagging behind, losing to IndexTools in all segments.

Websites Categories

1 IndexTools has better usage coverage in more websites categories. Including Business & Industry, Shopping, Internet & Telecom, Arts & Entertainment and 88 other categories.

2 Observer is leading in Programming, Running, File Sharing, Books & Literature and one other category.


1 IndexTools is leading in most countries, including United States, Germany, United Kingdom, India and 38 other countries.

2 Observer is leading in Turkey and Belgium.