Definition: Website hosting (or web hosting) is a service provided by a hosting company that allocates server space, computing resources, and internet connectivity to store and serve a website’s files — HTML, CSS, images, databases, and application code — so that they are accessible to visitors over the internet. Without hosting, a website exists only as files on a local computer; with hosting, it becomes publicly accessible via a domain name.
Why It Matters: The choice of hosting provider and plan has direct implications for website performance, reliability, security, and SEO. Server response time (Time to First Byte) is a Core Web Vitals input and a Google ranking signal — slow hosting creates a performance ceiling that no amount of front-end optimisation can fully overcome. Uptime reliability determines whether the site is accessible when potential customers search for it. Security features — SSL certificates, firewall rules, malware scanning — protect both the business and its visitors. For WordPress sites in particular, choosing a host optimised for WordPress versus a generic shared hosting provider makes a measurable difference to speed and stability.
How It Works: Hosting services range across several tiers. Shared hosting places multiple websites on a single server, sharing its resources — affordable but limited in performance. VPS (Virtual Private Server) hosting allocates a dedicated portion of a server’s resources to each account, offering better performance and isolation. Dedicated hosting provides an entire physical server for one customer. Managed WordPress hosting handles WordPress-specific server configuration, updates, caching, and security automatically. Cloud hosting distributes resources across multiple servers for scalability and resilience. Hosting is typically purchased as an annual or monthly subscription, with the domain name registered separately.
Related: WordPress, Content Delivery Network, Page Speed, SSL Certificate, Time to First Byte