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With a couple of changes in the settings, you can improve the performance of Firefox in Ubuntu Linux. These tweaks will make this fine web browser leaner and cleaner.
The price you pay is a small decrease in user friendliness, but it's not much. The privacy gain is huge, and outweighs this price by far.
You can do it like this:
Panel of Firefox - Edit - Preferences - tab Privacy
a. Item Tracking: set it to:
Tell sites that I do not want to be tracked
b. Item History: change the setting to:
Firefox will: Use custom settings for history
c. Item Cookies: change the setting to:
Keep until: I close Firefox
d. Now tick the following setting:
Clear history when Firefox closes
e. Finally, click the button "Settings..." and tick everything, except for Saved Passwords and Site Preferences. Click OK.
Click Close and you're done.
Tip: sometimes it may come in handy to force a cleansing during your web browsing. Simply by closing Firefox and launching it anew.
Firefox panel - Edit - Preferences
Tab Network - Cached Web Content:
- tick: Override automatic cache management
- set the cache to 50 MB, which is more than enough.
Click the button Clear now and then the Close button.
Type in the URL bar of Firefox:
Now you're being presented with an warning. Ignore it and click on "I'll be careful, I promise!" (which is probably an attempt at humour. Sigh...)
Double-click that line and change the value to 0.
Note: this is a user preference. Repeat it in each user account.
You can enable Java / openJDK for a short while whenever you need it (usually pretty rarely). That way, your ease of use is reduced only a little bit, while your system becomes a lot more secure.
Disabling of Java in Firefox can be done like this:
Firefox panel - Tools - Add-ons - click on Plugins (left side of the window) - click "Disable" for Java (or for IcedTea).
Unfortunately most of this can only be done by a web based tool from Macromedia. This is how you do it:
a. Go to Adobe Flash Player Settings Manager
b. Now the settings manager opens with the tab Global Privacy Settings. Click here on "Always ask..." Or, if you prefer a higher degree of security, "Always deny...".
c. Now click the tab Global Storage Settings.
Put the slider at at 10 KB (otherwise it'll remember too much information in your cookies, which is bad for your privacy). This is a per-cookie maximum size.
d. Now click the tab Website Privacy Settings. Click "Delete all sites".
e. Finally, click the tab Website Storage Settings. Click "Delete all sites".
You may want to run this settings manager on a regular basis, in order to remove stored content.
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But they have a couple of important disadvantages, because they are "applications within an application":
- they slow Firefox down, especially if there are a lot of them;
- they can cause malfunctions; both in each other and in Firefox itself;
- it has occurred: add-ons with malicious content. Don't trust them blindly.
So don't turn Firefox into a Christmas tree: don't adorn Firefox with lots of add-ons. Limit yourself to only a few add-ons, that are really important for you.
Strictly speaking, extensions and add-ons pollute the clean code of your browser. It's wise to keep the level of pollution down to an absolute minimum.
Note: watch out for add-ons that claim to make Firefox faster! Often they do more harm than good. Do not install them: even if one or two of them can really make Firefox run noticeably faster, they may damage the stability of your browser.
Press the Ctrl key and keep it pressed (don't release it). Now hit the plus key ( + ) for as many times as you wish, until the font size that you want is achieved. Minimize: keep the Ctrl key pressed and hit the minus key ( - ). Back to default: keep the Ctrl key pressed and hit the zero key ( 0 ).
This however enlarges both text and images. That often renders images ugly. Set the enlargement therefore to "Zoom Text Only". Like this:
Firefox panel - View - Zoom - tick: Zoom Text Only.
Note: even if you see no tick box, you can place that tick nevertheless!
On netbooks with small displays you can also use the nifty add-on NoSquint. You can install it in Firefox, like this: Firefox panel - Tools - Add-ons - Get Add-ons
The default settings of NoSquint aren't right. So configure NoSquint like this:
Firefox panel - Tools - Add-ons - click on Extensions (left side of the window)
NoSquint: click - Preferences - Tab Zooming - Primary zoom method: Text zoom (text only).
On a netbook with a small display, you may want to configure it like this (click on the image to enlarge it):
Note: be very reluctant to install add-ons in Firefox: the more add-ons, the slower Firefox becomes.
Type this in the navigation bar of Firefox:
Press the irritating button "I´ll be careful, I promise!" (sigh....)
....and double-click it.
Change the current string value about:newtab into the URL of your home page, for example: www.google.nl
Close the config window and open a new tab page.
a lot more of them on this website!
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