Posted on January 8th, 2008
The filter list of Adblock plus contains the websites that you do not want to block ads on. This can be due to several reasons. You might be a webmaster who wants to make sure that ads are running correctly on his system and also find out which ads are running on it or you might have troubles viewing a rich media site if you do not add the site to the filter list.
Whatever the reasons may be, the filter list can be problematic especially if you take duplicate entries into consideration. The Adblock Filter List Optimizer changes that by optimizing the filter list by removing duplicates and reducing the number of lines and words contained in the filter list.
Just head over to the Adblock Website, export your filter list in Firefox and paste it into the form there. Click on optimize and you should see the results just a second later. Import the filter list again after saving it in a text file and overwrite the old one in the process.

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Posted on January 4th, 2008
This is something that is really bothering me in Firefox. All the bookmarks are opening in the currently active tab and I prefer them to open in a new tab instead. There is apparently no option to change this behavior in Firefox which is not very user friendly if you ask me.
Thankfully though a click with the middle mouse button is loading the selected bookmark in a new tab. I have to get used to this and I happen to forget about this even after months of using it. Nothing is worse than opening a bookmark in the tab were you are writing an article because that article, or at least part of it, gets lost when this happens.
I know that there are extensions, I think Tab Mix Plus does it, that add this functionality but I recently cut down on extensions that I’m using to make Firefox more memory friendly. If you know of another way, config setting that is, please let me know.
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Posted on January 2nd, 2008
Did you know that there is an error console in Firefox ? You can access it by clicking on Tools > Error_Console. The Error Console of Firefox opens in a new window and lists errors, warnings and messages that are related to web pages that the user loads and User Chrome.
It reports JavaScript-related errors and warnings, CSS errors and arbitrary messages from chrome code
It can be helpful in three ways. The first is if you are a webmaster and want to make sure that the code on your website is working fine in Firefox. You visit the website then and check the Error Console to see if there are any errors or warnings that are related to your website.
There is always information about the type of error or warning and the location of the file that was involved. Another possibility is for users who have troubles opening a website in Firefox. They could probably, with some knowledge, find out why the website is not displaying properly in Firefox.
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Posted on December 30th, 2007
I use the Firefox keyboard shortcut CTRL + F quite a lot when I try to find a phrase on a large website. While I was browsing through the about:config items I discovered an interesting option that made my life easier. The settings are called Type Ahead Find and what they do is to start popping up the find box when you start typing chars on an active website.
Don’t worry this function is only available when you are not typing into a form on the website. The key is called accessibility.typeaheadfind and is set to false by default. The Find As You Type function becomes available as soon as you set it to true.
There are several other entries that change the behavior of Find As You Type in Firefox. I would like to explain them all in the following short list.
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Posted on December 28th, 2007
Lifehacker posted an article letting us know that there was a way to Speed Up the Firefox Download Process by dragging and dropping the download instead of right-clicking and selecting Save As from the menu. I’m a bit puzzled by this article and have my problems accepting their conclusion.
First of all, drag and drop does not work for all websites. If a script handles the download you can’t drag and drop that to the download icon (which you most likely have to add using the customize feature). Second, not all downloads have to be right-clicked and Saved As.
Firefox offers a very distinctive way of selecting an action for file-types. You can choose to save certain file-types, like pdf, doc or avi to the hard drive which means that whenever you left-click them they will be saved to the hard drive instantly.
What do you think, is that a way of speeding up the download process ?
Posted on December 27th, 2007
I guess most of you are using the Adblock Plus Firefox extension to get rid of most advertisement on websites. I especially dislike aggressive ads like layer ads, popups and the like that force the user to act to be able to view the website.
As a webmaster I make a living from these ads however and have to ensure that they are working fine. I could do that manually and add all my sites, and the sites of the companies I work with, to the Adblock Plus whitelist so that all Ads are displayed. I just have to verify from time to time which ads are displayed to be able to remove offensive or inappropriate advertisements from my websites.
Adblock Plus offers a online script that transforms all your bookmarks into a handy list that can be imported into Adblock Plus which has the result that those domains are whitelisted. This means Adblock Plus will not disable the ads on those websites. You can naturally remove websites from that list again before you import them all.
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Posted on December 26th, 2007
Every Firefox user should set a master password if he has chosen to save usernames and passwords in Firefox. If no Master Password has been set all usernames, passwords and urls are accessible in the Firefox Security menu which is a huge security risk.
A problem that could arise is that a user forgets his Master Password which has the effect that he can’t access the saved usernames and passwords option and that Firefox is not filling out the forms on websites automatically anymore. Without the Master Password those information are lost and can only be reset.
FireMaster is a password cracking tool that uses three different methods of cracking a password, those are dictionary, brute force and a combination of both methods. The brute force method is the only guaranteed method but it could take months, years and even decades depending on the strength of the selected Master Password.
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Posted on December 23rd, 2007
This Firefox tip is probably known by many already but I get the occasional request to write about it. Flash Games are small games that are embedded on websites. They are extremely popular and many users want a way to save them locally to be able to play them on their computer without having to be online during that time.
Firefox thankfully comes with an option to save flash games so there is no need to rely on third party tools like download managers to save them. All that you need to do is visit the page where you can play the flash game and right-click a free area on that website and select View Page Info from the menu.
Make sure you do not right-click on an element such as an image or link because this will open another right-click menu without the View Page Info link. Now click on the Media tab of that window and scroll down until you find an entry of the Embed Type.
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Posted on December 22nd, 2007
Are you using your mouse to browse the web or do you rely on keyboard shortcuts to speed things up a bit ? If the first is the case you might be interested in some useful keyboard shortcuts that speed up web browsing by a good bit. It may take a while until you get used to the keyboard shortcuts but once you do you will notice that everything is working out just a tad faster.
I’m only going to list the keyboard shortcuts that I’m using in my daily activity. If you want to take a look at all the keyboard shortcuts you can by pressing F1 which opens the Help and clicking on Keyboard Shortcuts. That’s the first keyboard shortcut by the way as well, hehe.
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Posted on December 21st, 2007
I spotted an interesting article over at Ghacks while reading through all the updated RSS feeds in Netvibes which was named 10 lesser known Firefox about:config parameters and I immediately thought that this would probably make a great article for Firefox Mastery as well.
Guess what, I did actually find two settings that I have not heard about yet and that would help me tremendously in my daily work. The first notable setting is the double-click behavior on words. Firefox marks a space behind the word as well by default and the setting made it possible that the space would not be marked as well. Not sure why anyone would want to mark the space as well..
The second change that I made determined how Firefox handled copy and paste operations into forms of text that consisted of more than one line. By default only the first line gets pasted in Windows while Linux pastes everything and I was able to change that behavior as well.
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