The availability of a website is measured by the percentage of a year in which the website is publicly accessible and reachable via the Internet. This is different from measuring the uptime of a system. Uptime refers to the system itself being online. Uptime does not take into account being able to reach it as in the event of a network outage.[citation needed] A hosting provider's Service Level Agreement (SLA) may include a certain amount of scheduled downtime per year in order to perform maintenance on the systems. This scheduled downtime is often excluded from the SLA timeframe, and needs to be subtracted from the Total Time when availability is calculated. Depending on the wording of an SLA, if the availability of a system drops below that in the signed SLA, a hosting provider often will provide a partial refund for time lost. How downtime is determined changes from provider to provider, therefore reading the SLA is imperative.[11] Not all providers release uptime statistics.[12] Most hosting providers will guarantee at least 99.9% uptime which will allow for 43m of downtime per month, or 8h 45m of downtime per year.
Yet if you are looking for a good quality web hosting service for a solid website or something to learn and grow with, you’d be much better off choosing a proper paid web hosting service. Best web hosting providers are perfect tools for actual professionals. However, free web hosting still has a lot of great uses. One of them is helping people to learn.
Cloud Hosting: Cloud hosting allows webmasters to tap into a large bank of servers that are all interlinked and designed to take over from each other if needed. In other words, if you need more resources, the cloud will provide more resources to rise to the demand. Cloud hosting is usually the best option if you want to aim for 100% uptime and don’t care how much you need to pay for it.
There are two other factors that led to the nearly perfect score earned by Dreamhost. First, the company's pricing is pretty transparent. There are no hidden gotchas in the rates. Plus -- and this is the best we've seen across all our hosting providers -- Dreamhost provides a 97-day money back guarantee. There's quite literally zero risk in giving them a try.

Allows clients to become web hosts themselves. Resellers could function, for individual domains, under any combination of these listed types of hosting, depending on who they are affiliated with as a reseller. Resellers' accounts may vary tremendously in size: they may have their own virtual dedicated server to a colocated server. Many resellers provide a nearly identical service to their provider's shared hosting plan and provide the technical support themselves.


An SSL certificate ensures all information transmitted to and from your website is protected from third parties attempting to access it. It is important because browsers, like Google Chrome, mark pages without https and the green padlock in the address bar as not secure. This can have a negative effect on the trustworthiness of your website. Pages that are protected with SSL receive better search engine rankings, and are more likely to be trusted by visitors.
The first step in building your online presence is finding a web host, the company that will store your website's files on its servers and deliver them to your readers' and customers' browsers. Web hosting services offer varying amounts of monthly data transfers, storage, email, and other features. Even how you pay (month-to-month payments vs. annual payments) can be radically different, too, so taking the time to plot exactly what your company needs for online success is essential. Many of these companies also offer reseller hosting services, which let you go into business for yourself, offering hosting to your own customers without requiring you to spin up your own servers.
Many services offer so-called unlimited or unmetered service for whatever amount of bandwidth, disk storage and sites you use. It's important to understand that most terms of service actually do limit the definition of "unlimited" to what's considered reasonable use. The bottom line is simple: if you're building a pretty basic website, unlimited means you don't need to worry. But if you're trying to do something excessive (or illegal, immoral or fattening), the fine print in the terms of service will trigger, and you'll either be asked to spend more or go elsewhere.
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