[OFF-TOPIC] Please test my login and dashboard page

Question

I Sololearners,
I made a login, dashboard and logout page. without using database in all of my webapp.

I want all you to please test and tell me, is my codes are secure or do i need to add additional codes to make it more secure.

please notice that i am not using database, so please provide me solution regarding non-database code.

share this question please

https://code.sololearn.com/wgB6IxzRfCr3/?ref=app
https://code.sololearn.com/whpDHbvZn0S9/?ref=app
https://code.sololearn.com/wd7DqHwcKqM5/?ref=app

Answer 1

All the files are working on webhosting.

Answer 2

I just need help to make sure that code are secure and is not possible to break access to dashboard through any attack.