Viewing your Cache

Posted: Wednesday, November 1, 2006 by El Guru in Add-ons, Firefox, Fx 1.5, Fx 2.0, Tips & Tweaks

Ever wonder what is in your cache? Type ‘about:cache‘ in the address bar. This will bring on stats on your cache, then at the bottom of that page is a link ‘List Cache Entries’ which may take a bit too load if your cache is large. This page will list all your cache entries. Also, you can directly access the cache entries page by typing in the address bar ‘about:cache?device=disk‘. Now, keep in mind Firefox uses two caches, disk and memory. To view your memory cache, type in the address bar ‘about:cache?device=memory‘.

Also, there is the CacheViewer Extension which allows you to view the contents of both the disk and memory caches. It will also provide a GUI preview of the content, besides showing how much of your disk space and memory is being used up by the cache. Once installed, CacheViewer will be available via your Tools menu.


  1. […] Memory usage has been a hot topic issue with both Firefox 1.5 as well as Firefox 2. I found a couple methods to view your Firefox cache both disk and memory caches. You can either use Firefox’s built-in viewer or the extension which presents the same information in a GUI display plus displays the contents of the cached items. […]

  2. […] Pero si no se quieren complicar, y buscan algo más sencillo para ver su caché, existe una extensión que nos permite hacerlo mediante un sólo click y se llama CacheViewer. FFExtGuru […]

  3. Pretty cool post. I just stumbled upon your blog and wanted to say
    that I have really liked reading your blog posts. Anyway
    I’ll be subscribing to your blog and I hope you post again soon!

  4. Joshua says:

    Hey my is sooooooooo long my computer
    shutdown when i went to that webadrees does this work with school computers

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