7 Point PHP Websites Optimazation

Please Read carefully, I have website need optimation and menu like point below. seems like this web use I know you have skill of that..so during your proposal please give a clear solution of problem I have 1. Verification on google (easy part) Make sure already verifiacation on google.I think this one is easy job 2. Language change include currency change (medium) I need you add some menu,like flag menu,when it change to other flag,it will impach language change and currency 3. Optimation handphone display (difficult) when I open in laptop I feel that it realy lux and elegant,but when I open in my HP,I dont feel it 4. Optimation speed of web (difficult) Currently my performa is [login to view URL] please help me troubleshoot for it make the good grade not only for home page ,buat also all page 5. Check all security, (easy) Duet to I dont want to use my prev programer,please check evry sigle script wheter have potentian script to make my web damage,or anyone can acces in future. if found it let me kno and fix it 6 . All Social menu (easy) so far only whataspp that link to my account,,others not yet like wechat line and other,,Please help to fix it [login to view URL] (very easy) If you have suggestion for better web display,performace, and other. to make it better please let me know,and I need you help to do it here the web [login to view URL] due to i”ll give acces for you to acces my domain,,please make me believe how i trust you. and give me a best price so we can make a good coperation in future As I work 24 Hours Be assured you won't face any downtime with me:)