Google Chrome Desktop - Clear Cache for My Acorn Finance Portal
Step 1. input on address bar chrome://settings/siteData
Step 2. in Search Cookies input my.acorn
Step 3. find my.acornfinance.com and click Trash can to delete
Step 4. try signing in to My Acorn Finance Portal
Google Chrome Clear all cache & cookies - Andriod, iPhone and iPad
When you use a browser, like Chrome, it saves some information from websites in its cache and cookies. Clearing them fixes certain problems, like loading or formatting issues on sites.
Full Support Article From Google:
Clear the history and cookies from Safari on your iPhone, iPad, or iPod touch. - Can't do it for specific website
Learn how to delete your history, cookies, and cache in Settings.
Delete history, cache, and cookies
Here's how to clear information from your device:
To clear your history and cookies, go to Settings > Safari, and tap Clear History and Website Data. Clearing your history, cookies, and browsing data from Safari won't change your AutoFill information.
To clear your cookies and keep your history, go to Settings > Safari > Advanced > Website Data, then tap Remove All Website Data.
To visit sites without leaving a history, turn private browsing on or off.
When there's no history or website data to clear, the setting turns gray. The setting might also be gray if you have web content restrictions set up under Content & Privacy Restrictions in Screen Time.
How to clear the Firefox cache
You can't clear a specific website cache with Firefox. This is an article on how to clear all websites https://support.mozilla.org/en-US/kb/how-clear-firefox-cache.