Intro

The Ascend JavaScript file is downloaded in parallel with other CSS and JavaScript files on your website.

Our CDN, CloudFront, for static assets has a global network to deliver the Ascend JavaScript file (from over 140+ edge locations). We deliver dynamic candidates from servers located in Europe, North America, South America, and Asia. Ascend uses one of the fastest DNS Networks, Amazon Route 53.

The Ascend JavaScript file is downloaded in parallel with CSS and JavaScript files on your website.

The purpose of this JavaScript is to render the variation on top of the original content of the webpage(s) (control version).

The execution of the JS snippet is <50ms.

Size

The Ascend script itself is approximately 85KB (compressed).

The total size of your Ascend JavaScript file will include this 85KB + size of the instructions for your experiments -- which can be anywhere from 5KB - 15KB on up (compressed).

Variable Contents

Only instructions for your experiments in the “Control” or “Live” state exist in the Ascend snippet.

Experiments in the “Draft” or “Complete” state do not exist in the Ascend snippet.

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