Is Async Javascript actually changing anything on my site?

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  • Plugin Author Optimizing Matters

    (@optimizingmatters)

    HTTP2 is great, but does not change much when taking about render-blocking resources I’m afraid.

    When using AO, AsyncJS is mainly a good help to stop 3rd party JS from being render-blocking.

    On your site however, the render-blocking resources are the 2 AO’d CSS-files and jquery.js. for the CSS you’ll want to look into the “inline & defer”-option in AO. for jQuery you could try removing that from AO’s JS optimization exclusion list (test thoroughly) or you could try to async it (again; test).

    hope this helps,
    frank

    Thread Starter giacomolaw

    (@giacomolaw)

    Awesome, thanks. I’ve given the inline and defer a spin, but to be honest, haven’t really seen an impact.

    I’ve re-enabled it and still don’t see much difference.

    • This reply was modified 5 years, 9 months ago by giacomolaw.
    Plugin Author Optimizing Matters

    (@optimizingmatters)

    well, you’ll need correct “above the fold” CSS (critical CSS) for it to work, else your deferred CSS will still be needed for rendering ??

Viewing 3 replies - 1 through 3 (of 3 total)
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