Leverage Browser Caching
Fetching resources over the network is both slow and expensive: the download may require multiple roundtrips between the client and server, which delays processing and may block rendering of page content, and also incurs data costs for the visitor. All server responses should specify a caching policy to help the client determine if and when it can reuse a previously fetched response.
All modern browsers support and automatically negotiate gzip compression for all HTTP requests. Enabling gzip compression can reduce the size of the transferred response by up to 90%, which can significantly reduce the amount of time to download the resource, reduce data usage for the client, and improve the time to first render of your pages.
None of the above-the-fold content on your page could be rendered without waiting for the following resources to load. Try to defer or asynchronously load blocking resources, or inline the critical portions of those resources directly in the HTML.
Before the browser can render a page it has to build the DOM tree by parsing the HTML markup. During this process, whenever the parser encounters a script it has to stop and execute it before it can continue parsing the HTML. In the case of an external script the parser is also forced to wait for the resource to download, which may incur one or more network roundtrips and delay the time to first render of the page.
Optimize CSS Delivery
Before the browser can render content it must process all the style and layout information for the current page. As a result, the browser will block rendering until external stylesheets are downloaded and processed, which may require multiple roundtrips and delay the time to first render.
After the payment or purchase has been complete you will redirect to a page where you can download the PRO version of the plugin or you can download it through our My account page.
Wordpress Plugin Installation
Login in to your wordpress site, go to plugin Deactivate and delete the FREE Version. Click the Add new button upload the PRO version (zip file) and click activate.
Via FTP Installation
The manual installation method involves downloading our plugin and uploading it to your webserver via your favourite FTP application. The WordPress codex contains instructions on how to do this here.
Why are the list for the Css and Script are empty
Refresh your homepage first then refresh the page speed settings
After activating the leverage caching and enable compression its still mark as should fix in the google insight
if nothing happen after activating or if the changes is not reflected in the google insight.
Go to your settings >> permalinks >> select default and save >> and then switch it back to your original settings “Post name” and save it again. check again the google insight
note: If its showing an external link leave it behind. we cant set cache or compress if its not on your site.
note: Make sure your htaccess is writable
How to optimize Css and Js
Page Speed PRO list down all the script and css in your website. you dont need to check all the script and css just check the css and js that mark as rendering or need to optimize in google insight.
note: The jquery and jquery migrate is the wordpress scripts core. We recommend not to optimize this two scripts because some functionality of your website may not work properly if you force it to optimize.
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