The icons on the main page will only blink when a new topic has been started.
The icons on a specific topic are displayed next to the topic and its meaning can be seen at the bottom of the page.
You will not see the icon on the main page blinking if a reply has been made to your topic.
To know if a reply has been made to your topic, visit the forum where your topic is located and see the icon next to it to know if a reply has been made or not.
Important for all users: You must delete your cookies from time to time to make sure that your browser is not loading old pages.