It is recommended (but not required) to install the PHP Sodium extension.
Features
- Serve Google Tag Manager JavaScript from your own domain
- Normally, Google forces browsers to re-download the JavaScript every 15 minutes, which can hurt your site rendering speed. If you choose to serve it from your own domain, the time between re-downloads is set to 30 days. It also allows you to serve it from the network edge (for example cached in Cloudflare’s data centers).
- Google Analytics API