Magento 1.4 introduced a method for quickly enabling maintenance mode on a running store. To enabled maintenance mode simply create a file called maintenance.flag file in your Magento root.

As you’ll undoubtedly know Magento supports caching. Most of us will find that one out after 20 minutes of refreshing, checking our code, refreshing, only to find that caching was still enabled! But as a developer, how can we make …

Sometimes it’s nice to be able to keep the customer on their original page when they add something to the checkout. The default Magento functionality is to redirect a user to their cart page once a product as been successfully added to their cart.

There’s an option in System » Configuration » Checkout » Shopping Cart » “After Adding a Product Redirect to Shopping Cart” that disables this.