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Request: Filters for deferred CSS loader #105

asadkn opened this Issue Jul 22, 2017 · 2 comments


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asadkn commented Jul 22, 2017

It would be great if we could filter the loadCSS technique and the this.rel='stylesheet' technique used. We wanted to add a callback to both onload event of the preload link style tag and replace loadCSS with a modified solution for callbacks.

Requesting filters for classes/autoptimizeStyles.php:

apply_filters( 'autoptimize_css_preload_onload', "this.rel=\'stylesheet\'" );
apply_filters( 'autoptimize_css_preload_polyfill', $preloadPolyfill );

futtta commented Jul 23, 2017

Well, if you make this a git pull request I can merge if OK :-)

Can you use autoptimize_filter_css_preload_onload and autoptimize_css_preload_polyfill though?

@asadkn asadkn added a commit to asadkn/autoptimize that referenced this issue Jul 23, 2017

@asadkn asadkn Filters for deferred CSS loader
Adding two filters as in #105

futtta commented Jul 24, 2017

PR merged, thanks for your contribution! :-)

@futtta futtta closed this Jul 24, 2017

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