Clear your cache and cookies
Your computer saves bits of information from every website you visit. This data can save you loading time or help a website identify you and your preferences on that website. Sometimes a website may make a change and this cache/cookie data becomes out of date and can cause a variety of problems. One of the best and simplest troubleshooting ideas when having problems with a webpage is to clear your cache and cookies.
To clear your browser cache , open the browser, hold down the CTRL and SHIFT keys and then tap the DELETE key. Choose to clear all of the cache or temporary internet/website data and cookies.