Systems and methods for managing loading priority or sequencing of fragments of a web object

A system for managing delivery and rendering of an item of web content, the system comprising:

• executable code injected into a first fragment of an item of web content, for delivery to a client, the injected executable code generating a request at the client to a server for a second fragment from a plurality of fragments of the item of web content responsive to detecting an event, the detected event corresponding to a unique identifier of the second fragment, and comprising one of:
• a user event, a timer event and a document object model event, that involves a display or use of the second fragment;
• and
• an intermediary between the client and the server, the intermediary:
• intercepting a request from the client to the server for the item of web content;
• splitting the item of web content into the first fragment and the plurality of fragments;
• injecting, into the first fragment, the executable code and a plurality of unique identifiers corresponding to the plurality of fragments;
• sending the first fragment to the client;
• intercepting the request for the second fragment;
• and
• sending the second fragment to the client responsive to the request for the second fragment.