Our web browsers are the hub for our digital lives. Every click, scroll, and search leaves a trail of data, much of which is stored in the cache. While this may be useful for browsing frequently visited sites, it can also become the collective “cobweb” that slows down your system and potentially compromises your privacy and security.

In this detailed guide, we’ll walk you through how to clear your browser cache in the most commonly used web browsers, as well as how to flush your DNS for Windows and Mac. This digital spring cleaning will not only release valuable disk space but also help keep your online activities private and secure.

➜ Importance of a Fresh Browser Cache & Flushed DNS

Clearing your cache is the digital equivalent of tidying up your workspace. Over time, your browser cache accumulates a staggering amount of data, from images, form-fill data, browser history, and even saved passwords. While the intention is to speed up future visits to web pages, an overstuffed cache can slow down your browser and even lead to issues displaying current website content.

In addition, flushing your DNS cache is a crucial yet often forgotten step in resetting your network system. A DNS cache stores additional web browser information, and occasionally, data in this cache can become outdated, particularly after a site’s IP address has changed. Flushing it ensures that your computer is receiving the most accurate and up-to-date information when trying to connect to a site.

➜ How to Clear Your Browser Cache

Each browser has its own process for clearing the cache, but they share a general set of steps. Here’s how to clear your cache in some of the most popular internet browsers.

Google Chrome Browser Logo

Google Chrome

  1. Click the three-dot menu on the upper right
  2. Select ‘More tools’
  3. Choose ‘Clear browsing data’
  4. Check ‘Cookies and other site data’ and ‘Cached images and files’
  5. Select ‘Clear data’
  6. Relaunch Chrome for changes to take effect

Mozilla Firefox

  1. Click the hamburger menu on the upper right
  2. Select ‘Options’
  3. Navigate to ‘Privacy & Security’ on the left
  4. Under ‘Cookies and Site Data,’ click ‘Clear Data’
  5. Check ‘Cookies and Site Data’ and ‘Cached Web Content’
  6. Click ‘Clear’
  7. Restart Firefox for changes to take effect

Microsoft Edge

  1. Click on the three-dot menu in the upper right corner.
  2. Navigate to ‘Settings.’
  3. Under ‘Privacy, search, and services,’ find and click on ‘Choose what to clear’ under ‘Clear browsing data.’
  4. From the ‘Time range’ dropdown, you can select how much of your browsing data you wish to clear. For a complete refresh, choose ‘All time.’
  5. Ensure the checkboxes for ‘Cached images and files’ and ‘Cookies and other site data’ are selected.
  6. Click on ‘Clear now.’
  7. Close and reopen Edge for the changes to fully take effect.
Safari Browser Logo

Safari (Mac)

  1. In the menu bar, click ‘Safari’
  2. Select ‘Preferences’
  3. Navigate to the ‘Privacy’ tab
  4. Click ‘Manage Website Data’
  5. Select ‘Remove All’
  6. Confirm the removal
  7. Close the preferences window and restart Safari

Do note that the exact wording and sequence of these steps can vary slightly with browser updates and versions. Always ensure you’re using the most recent guidance supported by your browser.

If you are not using saved passwords or a password manager, please note that this may log you out from certain websites! You can select these settings when choosing what to clear during your cache cleanup.

➜ How to Flush Your DNS

Flushing your DNS is a quick and painless process that can be done via the command-line interface on most operating systems.


  1. Open the command prompt as an administrator
  2. Type “ipconfig /flushdns” without quotes and press Enter
  3. You should see a notification that Windows IP Configuration has successfully flushed the DNS Resolver Cache
How to Clear Cache and Flush DNS - NOYNIM IT Solutions
How to Flush DNS (Windows)


  1. Open the Terminal
  2. Enter the line of code based on your Mac version:
    – Ventura & Monterey: sudo dscacheutil -flushcache; sudo killall -HUP mDNSResponder
    – Lion, Mountain Lion, Mavericks, El Capitan, Sierra, High Sierra, Mojave: sudo killall -HUP mDNSResponder
    – Yosemite: sudo discoveryutil mdnsflushcache
    – Tiger: lookupd -flushcache
  3. Press enter
  4. There won’t be any confirmation message, but the command will have flushed the DNS cache

Once you’ve completed these steps, you’ll have cleared the cobwebs and given your browser and network a sharp refresh.

➜ The Benefits of a Fresh Browser Cache

The benefits of these routine tasks go beyond “clean” browsing. Regularly clearing your cache and flushing your DNS could:

  • Boost browsing speed by making your browser start fresh with every click
  • Reduce the likelihood of encountering corrupted data that might break websites
  • Enhance security by clearing out potentially sensitive browsing data
  • Resolve issues with your DNS cache providing outdated information, leading to missing or slow-to-load sites

➜ How Often Should I Clear My Browser Cache?

The frequency of these tasks largely depends on your browsing habits. If you’re a heavy internet user, a monthly schedule would be prudent. For more casual surfers, once every two to three months might suffice.

However, after encountering issues with your internet, a good practice is to clear your cache and flush your DNS as part of initial troubleshooting. It’s a simple yet effective way to ensure that your browser and network configurations are in prime working order.

➜ In Conclusion

Clearing your browser cache and flushing your DNS are simple yet powerful steps that anyone can take to ensure that their digital footprint is not just one of efficiency but also of security. In a world where privacy and data integrity are of increasing concern, taking control of these elements of your online experience is crucial.

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