Guides

These articles explain how to use Fastly products and services.


Getting started

These articles provide basic instructions for getting started with Fastly services.

Configuration

These articles provide basic instructions for configuring Fastly services after getting started.

Conditions
 

These articles describe conditions and how to use them in VCL and the Fastly web interface.

Dictionaries
 

These articles describe how to move rapid key/value pair decision logic to the edge using dictionaries.

Headers
 

These articles describe configuration settings and changes you can make to your headers when setting up Fastly services.

Image optimization
 

These articles provide basic instructions for and examples of setting up and beginning to use the Fastly Image Optimizer.

Load balancing
 

These articles provide information about distributing requests across multiple servers to optimize resource use and avoid overloading any single resource.

Observability
 

These articles provide information about monitoring your services via the web interface.

Requests
 

These articles describe configuration settings and changes you can make to requests when working with Fastly services.

Responses
 

These articles describe configuration settings and changes you can make to your response settings when setting up Fastly services.

Video
 

These articles describe setup and configuration guidelines for setting up live stream delivery or video on-demand.

Security

These articles provide information about the administrative, physical, and technical safeguards that protect the Fastly CDN service, as well as describe how to secure communications between Fastly and your origin servers and customers.

Access Control Lists
 

These articles describe how to restrict access to resources by allowing or blocking IP addresses with access control lists (ACLs).

Rate Limiting
 

These articles describe how to work with Fastly's rate limiting features.

Securing communications
 

These articles describe how to secure communications between Fastly, your origin servers, and your customers.

Security measures
 

These articles provide information about the administrative, physical, and technical safeguards that protect the Fastly CDN service.

Integrations

These articles describe how Fastly services interoperate with non-Fastly services.

Fastly services interoperate with non-Fastly services only when you configure them that way. We do not provide direct support for non-Fastly services. Software or services that enable integration with non-Fastly services (such as plug-ins, extensions, and add-ons) are available under their own terms. Read Fastly's Terms of Service for more information.

Diagnostics

These articles describe how to log data, troubleshoot problems, and tune performance.

Debugging techniques
 

Because Fastly doesn't store customer logs, we provide information about debugging techniques that help you gain insights into your service configurations.

Account info

These articles describe how to manage account access, billing, and security.

Billing
 

These articles describe Fastly's billing and payment plans and how to make adjustments to your billing information.

Compute@Edge

These articles describe how to configure Compute@Edge services.

Fastly services interoperate with non-Fastly services only when you configure them that way. We do not provide direct support for non-Fastly services. Software or services that enable integration with non-Fastly services (such as plug-ins, extensions, and add-ons) are available under their own terms. Read Fastly's Terms of Service for more information.

Edge Data Storage
 

These articles describe how to work with the edge data storage features available with Compute@Edge.

Reference

These articles provide reference information about common Fastly terms and configuration settings.

This guide details Fastly resource limits and limits we set based on your account type. It summarizes the implications of exceeding those…

Read more...