Any CSS and JS files that are required to load before the webpage content will show (that’s text and image content) are listed here, unless you have ALL your CSS and JS code inline (not a good idea) you’ll have at least one render blocking CSS file (that’s acceptable). The screenshot above doesn’t show them all, this is the full list:
Optimize CSS Delivery of the following:
That’s quite a lot of CSS files, looking through them four of them look like they’ve been added by WordPress plugins.
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