You might benefit from choosing to delete your TEMP files.
Easiest way, would be to download ATF-Cleaner by Atribune.
Double-click ATF-Cleaner.exe to run the program.
Under Main choose: Select All
Click the Empty Selected button.
(If you use FireFox or the Opera browser
To keep saved passwords, click No at the prompt.)
It's normal after running ATF cleaner that the PC will be slower to boot the first time or two.
See if that helps.
Another thing to consider, is that no two browser or machines will show the exactly same picture pixel for pixel.
Reason being many, but foremost because of addons, hardware, Browser choice and settings in Internet options
and Graphic display. FYI.