Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Handlebars is a JavaScript library used to create reusable webpage templates.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Insightly CRM is a cloud-based customer relationship management software, helps businesses manage leads, contacts, and opportunities, track customer interactions, create custom reports, automate workflows, and integrate with third-party applications, improving customer engagement and streamlining business processes.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.