Optimised Google Analytics Loading#26349
Closed
coliff wants to merge 1 commit intotwbs:v4-devfrom
coliff:patch-2
Closed
Optimised Google Analytics Loading#26349coliff wants to merge 1 commit intotwbs:v4-devfrom coliff:patch-2
coliff wants to merge 1 commit intotwbs:v4-devfrom
coliff:patch-2
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Member
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/CC @mdo. Personally I wouldn't change it, well, because, I see no reason yet. |
Member
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Cherry-picked into #26732. Thanks! |
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The Google Analytics script currently on getbootstrap.com is loaded and executed asynchronously on all browsers but has the disadvantage of not allowing modern browsers to preload the script.
The alternative async tracking snippet in this PR adds support for preloading, which will provide a small performance boost on modern browsers.
This script implementation is provided and supported by Google:
https://developers.google.com/analytics/devguides/collection/analyticsjs/#alternative_async_tracking_snippet
(Very old browsers that do not recognize the
asyncscript attribute will degrade to synchronous loading and execution - but none of those browsers are supported by Bootstrap 4 anyway)