Recursos gratuitos de Google

 

Google Search-Based Herramienta para palabras clave: http://www.google.com/sktool/

Google Herramienta para palabras clave: https: / / adwords.google.com / select / KeywordToolExternal

Google Trends: http://www.google.com/trends

Google Trends para sitios web: http://trends.google.com/websites

Google Hot Trends: http://www.google.com/trends/hottrends

Google Zeitgeist: http://www.google.com/intl/en/press/zeitgeist/archives.html

Google Insights: http://www.google.com/insights/search/

Google Estimador de tráfico: https: / / adwords.google.com / select / TrafficEstimatorSandbox

Google Gmail: http://mail.google.com

Alertas de Google: http://www.google.com/alerts