A CSP Compliant non-blocking script loader

Published: 15/12/2018
A CSP Compliant non-blocking script loader
Source: CALENDAR.PERFPLANET.COM

On the 2012 edition of the performance advent calendar, I posted about the non-blocking script loader pattern that we developed at LogNormal/SOASTA to load our 3rd party JavaScript outside the critical path and make sure we were not a SPoF for our customers’ pages. Unlike the async and defer attributes, which still block the onload […]

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