Hi @Old_money Yes you can do it. can you provide some details where you want to do it and provide your site url? 

Hi @RachaelJ The errors already indicates what to do for enhance the performance of your site, first, reduce redirects by making sure all links go directly to the final destination. Then, minimize JavaScript load times by deferring non-essential scri...

Hi @sixdreamz Which Image are you talking about?is it size image or product image?can you clarify or provide screenshot of the part?

Hi @M_Suleman You can't do it from dawn theme customizer option.You have to implement it by code.