Looking for logging into the Laravel 5.3 site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Laravel 5.3 site. After that you can login as usual with your login credentials.
https://laravel.com/docs/5.7/authentication
http://miftyisbored.com/a-complete-laravel-5-3-tutorial-for-user-authentication-with-activation-email/
https://stackoverflow.com/questions/41100714/laravel-5-3-create-login-auth-actions
https://laracasts.com/discuss/channels/general-discussion/login-by-username-in-laravel-53
https://laraveltips.wordpress.com/tag/create-login-laravel-5-3/
https://medium.com/employbl/generate-authentication-for-a-laravel-5-3-web-app-384781a5529f
https://github.com/laravel-shift/laravel-5.3/blob/master/app/Http/Controllers/Auth/LoginController.php
https://auth0.com/blog/creating-your-first-laravel-app-and-adding-authentication/
https://www.aparat.com/v/P5pFX/Laravel_5.3_Login_With_Username_Instead_of_Email
https://laravel.io/forum/12-08-2016-laravel-53-throttle-login
https://www.devproblems.com/laravel-5-3-change-login-path-and-prevent-registration/
https://gistlog.co/almenke/ed1f32e6c9fafc7d4203f50369a78568
https://codeburst.io/using-ajax-user-login-in-laravel-5-3-5-4-5-5-5-6-d4e30b47985f