Hi @laurencecope. I found your support ticket and it looks like you already worked with our engineers to identify the problem. Thanks for working with our team to find a solution. I’d like to share it here in case it helps anyone else.
The combination of prefetching and a high number of links was bombarding the CMS and slowing it down. The quick solution in this case was to disable prefetch on links.
Thanks again for working with our team to identify the problem, and for sharing the solution that worked for you!