Webflow has no support for backend stuff.
See http://forum.webflow.com/t/list-known-limitations-on-webflow/23610?u=samliew
As for custom code, see Custom code in head and body tags - Webflow University Documentation
Webflow has no support for backend stuff.
See http://forum.webflow.com/t/list-known-limitations-on-webflow/23610?u=samliew
As for custom code, see Custom code in head and body tags - Webflow University Documentation