This is Flora here from Meru Accounting.Need to connect you with the issue that our QBO site is running quite slow, can you please help us to solve this?

Try opening your QBO account on any private/incognito browser.

Welcome to the Community.

I'll gladly share some information to help resolve your concern. 

If you're experiencing speed issues with QuickBooks Online, there are a few things you can try to ensure you're getting the most out of your user experience.

Here are the things to remember to improve your QuickBooks Online performance:

• Use the recommended browser. We recommend using Google Chrome and ensuring you are using the latest release.
• Make sure your Operating system is up to date.
• Verify your internet speed by running a Google Speed Test.

 For detailed information, refer to this article: Why is my QuickBooks Online slow?

Also, you'll want to check if you meet or exceed the System Requirements for QuickBooks Online.

You can also go to this article: Video Tutorials. This link provides step-by-step videos on to manage your income, expenses, banking, workers, and inventory in the program.

I'm just a post away. Have a great day!