Tenger Plugin: async css
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Page Speed Optimizer: HTTP/2 Push, Async JavaScript, and Defer CSS
HTTP2 Server push, Async JavaScript, Defer Render Blocking CSS, with fine rule set to control js and css on different page types,
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CSS JS Manager, Async JavaScript, Defer Render Blocking CSS
CSS JS Manager, Async JavaScript, Defer Render Blocking CSS, Remove javascript, Remove CSS, Defer Render Blocking CSS, Both CSS and JS can be loaded A …