Database optimization - Clear old connections - Clear old expired cart rules(vouchers) - Clear old Abandoned cart - Clear old Search data - Clear old log data - Clear old specific prices(product individual discounts) - Optimize MySql tables - Defragment MySql tables

Catalog Optimization - Disable out of stock products - Enable back in stock products - Disable products with all categories inactive - Disable products with default category inactive - Disable categories, manufacturers, suppliers without products - Enable categories, manufacturers, suppliers with newly active products that were empty - Set max quantity combination as default when old product combination is out of stock - Set product default category to deepest category