Add-ons
As mentioned in Part 3 of our Internet Troubleshooting Series, too many add-ons/extensions loaded in your browser can slow things down significantly. To troubleshoot, you might want to disable or uninstall some of these browser add-ons. Below are recommendations from the authors of the four most common internet browsers on how to achieve this:
Microsoft Edge
https://support.microsoft.com/en-us/microsoft-edge/add-turn-off-or-remov...
Google Chrome
https://support.google.com/chrome_webstore/answer/2664769?hl=en
Mozilla Firefox
https://support.mozilla.org/en-US/kb/disable-or-remove-add-ons
Apple Safari
https://support.apple.com/en-us/HT203051