Network services
Customize your content delivery.
Full-Site Delivery (CDN)
Streaming Delivery
Purging
Image Optimizer
Security
Protect your services and applications.
Next-Gen WAF
Edge Rate Limiting
Access Control Lists
TLS
Compute
Experiment with Fastly's edge computing platform.
Compute services
Testing and debugging
Edge Data Storage
Quick start
Go from zero to Fastly with these step-by-step guides and tutorials.
CDN getting started guide
Compute getting started guide
Building blocks
Start with the basics and learn how Fastly lets you take advantage of the modern internet.
Services
Core concepts
Web interface guides
Integrations
Find out how Fastly services interoperate with non-Fastly services.
Streaming logs
Logging endpoints
Non-Fastly services
See all guides
Tutorials
Step-by-step guides to developing with Fastly
Deliver a site with Fastly
Enhance your UX with Compute
Edge deploy Next-Gen WAF
See all tutorials
Demos
Discover how Fastly can enhance your user experience.
Passwordless auth
Fanout chat
Weather app
See all demos
Use Cases
Get solutions to specific problems with curated topics.
Authentication
Geolocation
Personalization
See all use cases
Code Examples
Try out Fastly code in the browser and easily remix it for your own project.
Geolocation at the edge
Optimize images on the fly
Redirect URLs at the edge
See all code examples
Starter Kits
Start developing your project immediately with Fastly from a functional template.
Rust default starter
JavaScript default starter
Go default starter
See all starter kits

Responses

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

Creating and customizing a robots.txt file

The robots.txt file tells web robots how to crawl webpages on your website. You can use Fastly's web interface to create and configure a…

Creating error pages with custom responses

The default error responses served by Fastly can be jarring for your users, especially when using Fastly for consumer applications. To…

Redirecting apex domains, wildcard domains, and subdomains

You can use the Redirect traffic to www subdomains setting to redirect traffic for apex domains, wildcard domains, or subdomains to a www…

Responses tutorial

Fastly allows you to create custom HTTP responses that are served directly from the cache without storing the page on a server. Responses…

Network services

Security

Compute

Quick start

Building blocks

Integrations

Tutorials

Demos

Use Cases

Code Examples

Starter Kits

Responses