Some times your website may be slow due to high number of http requests because more http requests increases the server response time or dns lookup time, increases the webpage load time and increases the DOM or webpage size and also uses the user’s more internet data.
So, here below is the steps for how to make fewer http requests in wordpress and also you can reduce your dns lookups:
To do this you can go to your theme folder located at website_root_path\wp-content\themes\your_theme and open your header.php and footer.php file and remove the css or js files which is not useful.
And you can also remove or disable your wordpress widgets like footer widgets or sidebar widgets, header menu links, header widgets, header links, breadcrumb links, sidebar links.
And to do this by coding you can follow this tutorial how to optimize wordpress for mobile through this tutorial you can disable or remove some modules for desktop or mobile website.
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