Getting started

A Fastly service is a user-defined set of caching rules and behaviors for a website or application. You might create new Fastly services to…

As a content delivery network , Fastly works by having any one of our global points of presence (POP) respond to requests that would…

Our points of presence (POPs) on the internet are strategically placed at the center of the highest density Internet Exchange Points around…

To route traffic to a Fastly service using your domain name, you must associate the domain with your Fastly service and update your…

Once you create a Compute service , you can edit and activate new versions of your Fastly services that include refinements and updates…

Domains are used to route requests to your service. You associate your domain names with your origin when provisioning a Fastly service so…

Health checks monitor the status of your hosts. Fastly performs health checks on your origin server based on the Check frequency setting you…

A host , also referred to as a backend or origin , is a web server or cloud service that contains the content of your website or…

Content types delivered by Fastly The underlying protocol used by the World Wide Web to define how content is formatted and transmitted is…

The Fastly web interface allows you to use a web browser to log in from anywhere. If you have trouble logging in, refer to our guide on…

Once you create a CDN service , you can edit and activate new versions of your Fastly services that include refinements and updates to…

An application programming interface (API) facilitates communication between technology products and systems. It is sometimes said that APIs…

A content delivery network, or CDN, is a network of servers distributed all across the world that work together to make delivering content…

Cache invalidation, otherwise known as purging or cache purge, is the process of eliminating content from cache ahead of when it would naturally expire or be evicted. Once content is purged, a request for that content will be retrieved from the source rather than the cache.

A cache is a location that temporarily stores data for faster retrieval by the things that need to access it. Caching refers to the process of storing this data.

Can't find exactly what you're looking for using the navigation controls? The universal search controls allow you to search globally across…

Fastly provides web interface access to all of its features and functions, which are also accessible using Fastly's application programming…

The user quick links menu provide you with direct links to account, billing, and contact information you're likely to want access to most…