Any image when uploaded into wordpress, it will automatically creates few more instances of that image of different size based on media settings. Recommended media settings is shown below:
genesis
New Genesis Sample Theme – A Fresh Update
Genesis is now Google Adsense ready. It means you don’t have to worry about placing ads in your site. You just enable Google auto adsense and it will do the rest. Genesis Sample theme now looks better because the fonts are smaller in size and soothing for eyes.
Add a Small Piece of Content after Post Content
In a genesis powered site if you want to add a small piece of content just after the main post content you need to add the following code in functions.php file.
Customizing Genesis Sample Child Theme
Genesis Sample is the best starter child theme for customization and its FREE. Here we shall describe steps to make a single column, responsive, minimal theme.
Remove/ Defer Render-blocking JavaScripts
From the GtMetrix and Google Page Speed result, you can notice that the jquery is loaded at the time of site loading resulting increased initial loading time.