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Posted by Harry Ray
on Jul 26 2017

Cache Course

Every time you surf the web, your browser will try to offer you the fastest experience possible by downloading parts of every website you visit (things like logos, images and other page content), and storing it temporarily in its cache.

What actually is a cache? What does it do?

Every time you surf the web, your browser will try to offer you the fastest experience possible by downloading parts of every website you visit (things like logos, images and other page content), and storing it temporarily in its cache.

This is particularly useful when browsing just one site. For example, the header of a site (typically a bar along the top containing the logo and navigation) is going to be the same across all of the pages, and your browser will cache the logo and other content in the header so that you don’t need to download it all again every time you visit a new page.

Why do I need to clear it occasionally?

If you’re viewing a web page that is being updated, you may not see those updates (no matter how many times you refresh the page) if your browser has cached page content from before. Browsers do sometimes make mistakes, and aren’t always aware that they’re showing you out-of-date content.

This can mean that changes to the code, content or layout don’t seem to take effect for somebody viewing the website – which can be quite frustrating.

How do I clear it?

Thankfully, it’s quite simple to clear your cache. Here’s how to do it in the latest versions of three common browsers:

Safari (Mac):

1. With Safari open, click Safari in the top bar of your screen.
2. Select Preferences from the dropdown.
3. Navigate over to the Privacy tab.
4. Click Remove all Website Data. Select Remove Now in the window that pops up.
5. Completely close Safari, and open it back up again.

Google Chrome:

1. With Chrome open, access the menu by selecting the three dots to the right of the address bar.
2. Hover over More Tools, and select Clear Browsing Data.
3. Select Cached image and files, and click Clear Browsing Data.
4. Close the browser and re-open it.

Firefox:

1. With Firefox open, access the menu by clicking the three lines to the right of the address bar.
2. Select History, and then click Clear Recent History.
3. In the box that appears, expand the Details menu by clicking the dropdown, and make sure Cache is ticked.
4. Choose the time frame that you’d like to clear your cache from, and click Clear Now.
5. Exit the browser and re-open it.

If you’re looking for a facelift for your site, or are looking to have a brand overhaul, get in touch!

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