attrify

Attrify for Marketing Attribution

Attrify saves a user's initial-and-last, referrer and campaign (utm) query string parameters as cookies. Initial values are saved for ever and last are persisted for the length of the users browsing session. The cookies can then be passed to your marketing automation system, CRM, or email marketing system at any time during the users session for enhanced marketing attribution.

By default, only the initial_referrer initial_utm_campaign, initial_utm_source, initial_utm_medium, initial_utm_content, and initial_utm_term, referrer utm_campaign, utm_source, utm_medium, utm_content, and utm_term are saved. Extra query string parameters can also be saved by passing them in via the options.params object. If the query string contains any of the parameters to be saved, a new session is assumed and previously set cookies will be overwritten. Initial value cookies are not overwritten at any time.

attrify() should be called on each page view and all pages of your site.

Note: This is currently a browser only module because it reads the query string from window.location.search and sets cookies via document.cookie. It could however be easily be modified to run as an express middleware and work on the server side.

Attrify is a fork and improvement of my previous project Last Campaign.

Installation & Usage

NPM

$ npm install attrify --save OR $ yarn add attrify

var attrify = require('attrify');
attrify();

Bower

$ bower install attrify

attrify();

Options

timeout (Number)

Default session timeout in minutes. This should match the session timeout used in Google Analyutcs. Default 30

Passing in null will disable the session timeout and revert to using a session cookie. E.g. timeout: null

prefix (String)

Global cookie name prefix. Default ''

initialPrefix (String)

Initial cookie name prefix. Default 'initial_'

lastPrefix (String)

Session cookie name prefix. Default ''

params (Array)

An array of additional query string parameters to save. E.g. ['gclid'].

data (Object)

An object of additional values to save. Values are only saved once per session.

defaults (Boolean)

Specify if the default parameters, initial_utm_campaign, initial_utm_source, initial_utm_medium, initial_utm_content, initial_utm_term, utm_campaign, utm_source, utm_medium, utm_content, and utm_term should be saved. Default true

domain (String)

Specify a domain to set cookie on. If you want this to work across all of your sub-domains, set this to your domain name prefixed with a period. E.g. .google.com

Default null

path (String)

Cookie path.

Default /

Examples

Save gclid AdWords ID in addition to default parameters

attrify({
    params: ['gclid']
});

Save only the foo parameter with an _ prefix

attrify({
    prefix: '_',
    defaults: false,
    params: ['foo']
});

Save foo value in addition to default parameters

attrify({
    data: {
        foo: 'bar'
    }
});

MIT License

Copyright © 2016 Luke Bussey

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the 'Software'), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.