Each time you re-visit a website, your cache (temporary internet files) is supposed to to analyze if it has changed so that it can serve you the most up-to-date pages. This doesn't always work; sometimes the cache will load its older stored page instead, so you may not always get the newest version.

Here are the steps to clear cache for the most well-known browsers for PC/Mac:

For Google Chrome:

1. On your computer, open Chrome.
2. At the top right, click More .
3. Click More tools  Clear browsing data.
4. At the top, choose a time range. To delete everything, select All time.
5. Next to "Cookies and other site data" and "Cached images and files," check the boxes.
6. Click Clear data.

For Firefox:

1. Click the menu button  and select Settings.

2. Select the Privacy & Security panel.
3. In the Cookies and Site Data section, click Clear Data…

For Safari:
1. Select Preferences from the Safari menu or hold down the Command key and the comma key at the same time (Command+,)
2. Go to the Privacy tab.
3. Click the Remove All Website Data button to remove all stored website data
4. Click Remove Now to confirm.

Microsoft Edge:
1. Click on the menu button situated in the upper right corner.
2. Click on Settings.
3. Click on Privacy, search, and services from the list of options on the left-hand side under Settings.
4. Scroll down to Clear browsing data and click Choose what to clear.
5. Change the Time range at the top to All Time and check the boxes next to Cookies and other site data and Cached images and files. Then, click Clear now.

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