A change in browser can help. I do all my testing in Chrome. Chrome is a product of Google and they work hard to make sure the browser plays well with others.
Here’s where you can find the refresh buttons in Chrome:
On a Phone
Click the hamburger menu (also called the more button, options menu, pancake or hotdog). You will find it in the upper right corner. On an iphone it is a series of three vertical dots, ⋮