Developer docs
Performance Edge
Optimizely Performance Edge is a faster way to deliver client-side web experiments that take advantage of a distributed network called "the edge. " Optimizely Performance Edge is designed to improve page performance by performing targeting and variation assignment tasks at the Edge instead of in the browser.
Optimizely Performance Edge and Optimizely Web Experimentation
You cannot run an Optimizely Performance Edge and Optimizely Web Experimentation project on the same individual webpage. Depending on the use case of the specific page, one product has particular advantages over the other.
How Optimizely Performance Edge works
Optimizely Performance Edge gets its speed by moving work out of your visitors' browsers and into CDN edge servers https //www. cloudflare.
Setup with Edge Subdomain
There are several options for implementing Optimizely Performance Edge, but you should use the Edge Subdomain. This method enables your site to directly and securely make requests to the Edge Decider making it the quickest and simplest way to get started with Optimizely Performance Edge.
Integrations
The following Optimizely Web Experimentation integrations also work for Optimizely Performance Edge. All custom integrations in Optimizely Performance Edge are implemented through Project JavaScript .
Opt Out
If you need to disable Optimizely Performance Edge on a page, but you are unable to remove the Optimizely Performance Edge tag, the Edge Decider will obey the optimizelyOptOut cookie on your cookie domain. Make sure that you set the optimizelyOptOut cookie prior to your Optimizely Performance Edge tag so that the cookie gets sent to the Edge Decider.
Test and troubleshoot
Quality assurance is the last step in creating an experiment. This topic covers some approaches to verifying that your variations look and work the way you expect.
API Reference
FAQ
Website speed matters. Studies show that faster loading websites correlate with better conversion rates and less abandonment.