Here is step-by-step how to clear cache on browser:
Chrome:
On your computer, open Chrome.
At the top right, click More .
Click More tools Clear browsing data.
At the top, choose a time range. To delete everything, select All time.
Next to "Cookies and other site data" and "Cached images and files," check the boxes.
Click Clear data.
Mozilla:
Click the menu buttonimage.png and select Preferences.
Select the Privacy & Security panel.
In the Cookies and Site Data section, click Clear Data….
Remove the check mark in front of Cookies and Site Data.
Click on the Clear button.
Safari:
Click on the Safari drop-down menu and select Preferences.
Click the Advanced tab. Select the Show Develop menu in the menu bar checkbox and close the Preferences window.
Select the Develop drop-down menu. Click Empty Cache.