XMLHttpRequest supports both synchronous and asynchronous communications. In general, however, asynchronous requests should be preferred to synchronous requests for performance reasons.| developer.mozilla.org
This article will look at several strategies for reliably exfiltrating telemetry -- aka beaconing.| NicJ.net - Home to Nic Jansma, a software developer at Akamai building high-p...
navigator.sendBeacon is a neat new API. It allows you to send an asynchronous POST request without delaying the page unload. To prevent Can't...| ankane.org