[Bug]: webpage does not load completely until i hit refresh page

[karthikram-senthilvel]

Pre-Submission Checklist

• I have checked the existing/closed issues to ensure this issue has not already been reported.
• I am using the latest supported version of the browser.
• I have tried disabling all browser extensions/add-ons to rule out interference from these.
• I have tried clearing the browser cache and cookies.
• I have checked with a new profile and the issue still occurs.
• I have provided detailed step-by-step instructions on how to reproduce the issue.
• I have included relevant screenshots or console outputs.
• I have checked that this problem is not occurring in the latest version of Firefox ESR.
• This issue is specific to this browser and does not occur in other browsers.

Bug Summary

I use a web based application that is a proprietary software. When i load the url, the structure of the page opens up but it is left blank but loads when i hit refresh.
I have seen this on other firefox fork like Zen, Librewolf but waterfox does not have this.

Example: one time loading

After i hit refresh

Reproduction Steps

1. Going to the url https://myplatformtest.o9solutions.com/Kibo2# and logging in using my credentials
2. You may not be able to reproduce this issue on your side since the credentials cannot be shared

Expected Behavior

It should reload the entire page without me manually refreshing the tab

Actual Behavior

Have to hit refresh again for the data to load

Screenshots

Example: one time loading

After i hit refresh

Browser Version

11.19.1 (64-bit)

Operating System

Win 11

Additional Context

No response