You are encountering these cases:
Your application needs a minimum resolution.
Users have laptops with low resolution.
When accessing through a web browser, the screen size is smaller and the application is choppy.
Need to set a minimum resolution different from the client's initial resolution and is higher than the resolution of the application.
You can change resolution settings as explained here:
You will need to edit the index.html page
The index.html is located in Web Server root folder path.
C:\Program Files (x86)\TSplus\Clients\www
Index.html page is the default web page. It’s like a front-end Portal page with links to the connection pages which are located in \www\ folder.
This web page can be copied and renamed to allow multiple configuration and / or logon information.
For example let's copy and rename index.html into index2.html, this page will be available using this url http://localhost/index2.html
You will need to change these values: