Device session identification system

An method for advertisement conversion tracking comprising:

• providing an advertisement content including an advertised application;
• receiving an execution request for execution of the advertisement content on a web service system;
• depositing a token on a browser cache of the electronic device in response to the request;
• receiving the deposited token from the advertised application;
• detecting an installation of the advertised application on the web service system by comparing the token with an execution request record on the web service system.

An advertisement conversion tracking system comprising:

• a supplier web service system configured to provide an advertisement content including an advertised application;
• and
• an electronic device configured to:
• receive the advertisement content;
• and
• request an execution of the advertisement content;
• wherein the supplier web service system is configured to deposit a token on a browser cache of the electronic device in response to the request for execution of the advertisement content;
• wherein the electronic device is configured to notify the supplier web service system of an installation of the advertised application by delivering the token stored on the browser cache.

An electronic device comprising:

• a processor;
• a non-transitory storage medium storing instructions to:
• receive a token to store on an electronic device during a browser session accessing a web service, the token stored on a shared browser cache;
• capture the token during an active session of a native application through the shared browser cache, the shared browser cache being accessible by browser sessions with different web domains;
• and
• deliver the token to the web service.