Prestashop Top Cleaner , Optimization and Speed Up

Cleanup
delete old abandoned carts
delete old connections stats
delete old search stats
delete old email logs
delete old logs
delete old guests with no addresses
delete old customers with no addresses (useful if your shop suffered from bots registering fake accounts)
delete old guests with no addresses
delete old inactive customers
delete old customers with no orders
delete old customer threads
delete old guests with no orders
delete expired specific prices from products
delete expired vouchers
delete used vouchers – new feature!
delete unused feature values
delete empty features
delete unused attribute values
delete empty attribute groups
clear all cache
You can set number of days to only delete data older than this setting (but not for cache, it gets cleared totally).

Data consistency
regenerate friendly URL’s for products (for all languages)
regenerate friendly URL’s for categories
set products’ cheapest combinations as default
set products’ first in stock combination as default – new feature
assign the most common tax rules group to products with incorrect (none or deleted) tax rules group
Fix images
delete products’ broken images (the ones that appear as question marks)
delete unused image files (cleans all leftovers in the img/p/ folder along with empty folders)
set first image as cover for products without cover
associate all images to all shops (useful if you find some of your images not displaying)
set product’s cover as it’s first image
delete temporary images
delete images from disabled products
delete thumbnails from disabled products
disable active products without images
Fix associations
set product’s deepest category as default
assign all products to parent categories (usefull if some products are assigned only to some deep categories, but you want them to appear also in parent categories)
assign all customer groups to all categories
associate all attribute groups with all shops – new feature
associate all attributes with all shops – new feature
associate all features with all shops – new feature
Mass activation and deactivation
deactivate active out of stock products
deactivate active products without images
activate inactive in stock products
deactivate active categories without active products
deactivate active categories without any products
deactivate active products not assigned to any active categories
activate inactive categories with active products
activate inactive categories with any products
deactivate active manufacturers without active products
activate inactive manufacturers with active products
You can also automate each of the above operations with cron tasks, making your shop clean itself on a daily basis.