Google Programmable Search Engine
16,105 websites

Google Programmable Search Engine is free to use

http://www.google.com/cse/

Google Programmable Search Engine is a platform provided by Google that allows web developers to feature specialized information in web searches, refine and categorize queries and create customized search engines, based on Google Search.

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Hatena
158,103 websites

Hatena offers both free and paid options

http://www.hatena.ne.jp/

Japanese web services company providing widgets and other services.

Market Share by Top Websites

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

2 In terms of market share, Google Programmable Search Engine is clearly lagging behind, losing to Hatena in all segments.

Websites Categories

1 Hatena has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Food & Drink, Games and 19 other categories.

2 Google Programmable Search Engine is leading in Law & Government.

Geography

1 Google Programmable Search Engine is leading in most countries, including United States, India, France, Germany and 84 other countries.

2 Hatena is leading in Japan, Russia, United Kingdom, Canada and 44 other countries.