Welcome to the Community!
We were able to locatee your account using your community details and tested the line, but was not able to detect any fault. The modem also shows that it's been getting a good connection speed with 12.96 Mbps Downstream.
We've created an article that may guide you to troubleshoot a Slow speed issue.
If you are using a WiFi connection, then signal interference may have caused the problem.
Here are the articles that will help you improve your WiFi network.
Let us know if you need further assistance.