Magento database cleansing

Magento Tables that can be Truncated to speed up the website

TRUNCATE TABLE dataflow_batch_export;
TRUNCATE TABLE dataflow_batch_import;
TRUNCATE TABLE log_customer;
TRUNCATE TABLE log_quote;
TRUNCATE TABLE log_summary;
TRUNCATE TABLE log_summary_type;
TRUNCATE TABLE log_url;
TRUNCATE TABLE log_url_info;
TRUNCATE TABLE log_visitor;
TRUNCATE TABLE log_visitor_info;
TRUNCATE TABLE log_visitor_online;
TRUNCATE TABLE report_viewed_product_index;
TRUNCATE TABLE report_compared_product_index;
TRUNCATE TABLE report_event;