Favicon Tag
9,730,272 websites

Favicon Tag is free to use

http://en.wikipedia.org/wiki/Favicon

Wesites using favicon rel tag

VS

Meta Keywords
7,523,563 websites

Meta Keywords is free to use

http://www.wordstream.com/meta-keyword

Meta Keywords are a specific type of meta tag that appear in the HTML code of a Web page and help tell search engines what the topic of the page is.

Market Share by Top Websites

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

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

Websites Categories

1 Favicon Tag has better usage coverage in more websites categories. Including Computers Electronics & Technology, Arts & Entertainment, Science & Education, Games and 18 other categories.

2 Meta Keywords is leading in E-commerce & Shopping and Heavy Industry & Engineering.

Geography

1 Favicon Tag is leading in most countries, including United States, Germany, United Kingdom, France and 154 other countries.

2 Meta Keywords is leading in China, Japan, Russia, Taiwan and 4 other countries.