Today only a quick and classic tip to make your Firefox as fast as the Opera browser is, no matter how many extensions you have installed.

Type in the address bar about:config.
Type pipelining in the filter bar.
Double-click on network.http.pipelining to set its value to TRUE.
Double-click on network.http.pipelining.maxrequests and change its value to 12 or more if you have broadband.(I put mine on 30, i have a 3MBps connection and 512MB of RAM)

If your computer doesn’t have that much of memory and you regularly have many tabs open, use a lower value.

Opera is already a very fast browser, but if you would have the choice between fast and faster than fast, what would you choose ? I took the liberty to compile a list of 10 great tips that speed up Opera in several unique ways. Many of the settings can be changed by simply going to Tools > Preferences in Opera but some can only be used by accessing not so obvious ways like ini files.

Please note that everything that I’m describing here worked fine on my computer. It speed up Opera and increased my browsing experience with it tremendously. While most tips will work for any users no matter their connection to the Internet some tips might only increase performance for broadband users.

Disable Name Completion and local network lookup

Whenever you enter a single word into the address field Opera will look in your bookmarks for that name and try to find a local network with the name as well. Server Name Completion tries to append prefixes and suffixes to the name automatically. While this feature might be great for some users it uses time and cpu and should be turned of for faster browsing.

Click on Tools > Preferences, select the Advanced Tab and choose Network from the left menu. Click on Server Name Completion and disable Look for local network machine and try name completion, using.
Increase the time cached images are used before checking for new versions

Opera downloads images to its cache to be able to load them faster (from your hard drive) the next time you visit the website. By default Opera checks every 5 hours if a new version of that image has appeared on the website. If you increase this time you increase your overall performance.

Go to Tools > Preferences and click on the Advanced Tab. Choose History from the left menu and select Every 24 hours or even every week for image checks. You can always refresh the cache manually by typing F5 while visiting the website.

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seriously though, I can't see a difference with 12 than with 4.

omg wow noob it speeds it up just fine.