if I would like to switch of my last hosting company then what things I should keep in mind?

Make sure the new web hosting plan you’ve chosen offers you the storage capabilities to handle all of your current website storage requirements.so you should be make sure about that.’

you should be sure about plans and storage space so what your current and new host includes in your plan’s storage amount.

you should be known about operating system like What operating system does your current hosting plan use? Windows or Unix? Sometimes this can make no difference, in other cases it can make the difference between a working website and a broken website

Does your site currently use FrontPage? Find out if your new host supports FrontPage. And make sure your new host supports the same version of FrontPage you currently use.

you should be careful that if your new hosting plan offers you the same amount of bandwidth that your current host offers. You don’t want to be surprised by unexpected overage charges at the end of the month.