How can i fix my website's feature image size with Adobe Photosho?

[Teatime Results]

Hello guys! Anyone here to help me to fix my website feature image size. My website's URL [website link removed]. Please visit and tell me your precious suggestion to fix feature image site uing Adobe Photoshop. Thanks 

[jane-e]

If you need to resize an image that you will be using in your website (or elsewhere), make a copy, then use Image menu > Image Size. Details here:

https://helpx.adobe.com/photoshop/using/resizing-image.html

~ Jane