Traditional hosting, whether shared or VPS, runs a site on a single physical server. Cloud hosting distributes resources across a network of interconnected servers, which changes how reliability, scalability, and cost work in practice.
If a single physical server fails in traditional hosting, the sites on it go down with it. In cloud hosting, resources are distributed across multiple servers, so if one physical machine has an issue, the workload can shift to others, generally producing meaningfully better reliability and uptime.
Cloud hosting typically allows resources to scale up or down dynamically based on actual demand, rather than being fixed to whatever a single server plan allows. A site experiencing a sudden traffic spike can draw on additional resources automatically, instead of crashing or slowing dramatically the way a fixed traditional hosting plan might.
Many cloud hosting providers price based on actual resource consumption rather than a flat monthly fee for a fixed allocation, which can be more cost-efficient for sites with variable or unpredictable traffic, though it also means costs can be less predictable month to month compared to a flat-fee plan.
Major cloud infrastructure providers include Amazon Web Services (AWS), Google Cloud Platform, and Microsoft Azure, offering highly flexible, scalable infrastructure typically aimed at larger or more technical projects. Simplified cloud hosting products aimed at smaller businesses and less technical users have also become common, offering some cloud benefits with a more managed, accessible experience.
For a small, relatively low-traffic site, the added complexity and cost of full cloud infrastructure often isn't necessary — traditional shared or VPS hosting is frequently sufficient. Cloud hosting becomes more clearly worthwhile as traffic grows, reliability requirements increase, or traffic patterns become more variable and unpredictable.
Cloud hosting distributes a site across multiple interconnected servers instead of relying on one, generally producing better reliability and more flexible scalability, often with usage-based pricing. It tends to make the most sense for growing or high-traffic sites rather than small sites where traditional hosting remains simpler and sufficient.
Traditional hosting runs your site on one physical server (or a fixed slice of one). Cloud hosting spreads the same workload across a network of virtual servers that can scale up or down automatically as traffic changes, so a sudden spike doesn't take the whole site down the way it might on a single fixed-capacity server.
The tradeoff is usually pricing model and complexity: cloud hosting (AWS, Google Cloud, Azure, or simplified cloud platforms like DigitalOcean) often bills based on actual resource usage instead of a flat monthly fee, and while that can be cheaper for variable traffic, it also requires more active management unless you're using a managed cloud platform built to abstract that complexity away.