Downloading webtuna.js
WebTuna uses a small (5K) piece of JavaScript which will be placed into you site template in order to monitor your site. This JavaScript file is called webtuna.js.
The latest version of webtuna.js can downloaded from https://cdn.webtuna.com/webtuna.js.
You can right-click the link and “Save Link as…“
Once you’ve downloaded you will need to copy the file to your web server and include it in your site template, include file, master page or similar.