When the IE9 is started, click "Select Add-Ins", and then look for plug-ins that affect speed, and decide whether to "disable".
In the event that the reminder is not popped, we can also open "Manage Add-ins" to manage the add-ons inside.
After starting the IE9, click on the Gear Mount button in the upper right corner and select "Manage Add-ins";
On the left side of the admin Add-ins window, you'll find the Drop-down menu for display. Change it from the default "currently loaded add-ins" to "all add-ins", and then determine whether you want unwanted add-ons to be disabled, based on the add-in displayed on the right and the load time.
In addition to managing the add-in, we can also fix it by restoring IE's default settings, which is to reset ie.
Note: This operation also invalidates all installed plug-ins, add-ons, or toolbars, and must be reinstalled if you need them.
Click on the Gear icon (or press ALT, click the "Tools" menu) to choose "Internet Options", Switch to "advanced", click the "Reset" button below to restore the IE settings to the default state when the initial installation.