Magento 1.x reached official end-of-life many years ago, yet many store owners continue to keep their sites running on this legacy platform.
The biggest factor is migration cost and complexity. Migrating an existing Magento 1 shop to Magento 2 is not a simple upgrade. It requires rebuilding theme designs, reworking custom modules, transferring orders, customers and product data, plus extensive testing. For stores with heavy custom code, large catalogs or complex business workflows, the time…