Published page disappears

HELP! it’s driving me crazy. I have created a new page which i published (i didn’t add it on the menu, i only want to use it as a link as a social media promotion). When I check the page published it appears for a 1 sec and then it the main page takes its place. Please help i don’t know what to do. thank you

is there any code on the page?

hi! what do you mean by code?

Please post the URL of your site.

ecasticaoffices com / allplans