- Skill level:
- Moderately Easy
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Type "about:cache" in the browser's address bar.
Press "Enter." A new Web page opens and displays information about the Firefox cache.
Locate the section named "Disk Cache Device." Click the "List Cache Entries" link. The "Disk Cache Device" page opens and displays blocks of information that describe the files in the cache. Several informational fields appear in each block. The "Expires" field shows when the cache file will expire. The "Data Size" field shows the file's size. The "Key" field contains a URL. This URL identifies the website that placed the file in the cache. For instance, if you see a link with the words "whitehouse.gov" in it, the cache file came from that website.
Scroll through the list and note the text that appears at the end of those links. You may see words such as ".jpg,' ".gif" and ".png." These are image files. If you are looking for a cached image that you remember seeing while browsing, it will have a link that contains one of these file extensions.
Locate a link that contains an audio file extension such as ".mp3" or ".wav." These are cached audio files. After hearing a song while browsing, you may be able to find it in the cache.
Click a link that contains an image file extension as described previously. A new page opens. This page also has a link. Click that link. A new page will display that image.
Click Firefox's "Back" button to return to the "Disk Cache Device" page that lists the cached files. Click a link that contains an audio file extension such as ".mp3." A new page containing a link to that file opens. Click that link to listen to the audio.
Click the browser's "Back" button again to return to the "Disk Cache Device" page. Continue to explore the entries on that page and search for files you find interesting.
View Cached Files
Tips and warnings
- You can also search the cache using keywords by pressing "Ctrl" and "F." A "Find" box appears at the bottom of Firefox. There you can type keywords such as ".mp3," ".jpg" or even the name of a website. For instance, if you want to find a cached ".css" file, enter ".css" (without the quotes) in the "Find" box and press "Enter." Firefox will locate a cached CSS file.
- When you clear your cache using Firefox or a browser cleaning tool, the cache's existing contents disappear. As you surf, new entries will repopulate the cache.
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