Block Unblocked Websites in FlashBlock Extension for Chrome
By on May 16th, 2012

I don’t hate Flash like Steve Jobs, but it does slow the browsing experience at times and can get annoying. There are several extensions and tools which allow you to block Flash in browsers like and , but most of the times Flash blocking extensions are heavy on memory usage and can slow down the browser. This is why I  prefer to use a lightweight and versatile called FlashBlock for Google Chrome, which does the job very well without using lot of memory.

Disable Flashblock

One of the problems I have faced with this extension though is the lack of support for whitelisting/blacklisting websites. However, FlashBlock does provide users with an option to do so through a right click option as seen above. The problem is that though it is easy to unblock websites from FlashBlock, there is no easy way to block them again if you want to change your decision.

However, I did find a way to block unblocked sites in FlashBlock extension by using a simple trick. If you are someone who wants to do it, follow the steps given below.

To block a unblocked website in FlashBlock, open the website in question in Google Chrome and then click on the wrench icon and then select “Developer tools” from under the Tools menu. Alternatively, you can also use the shortcut key “Ctrl + Shift + I

Doing the above steps will load the Chrome Developer interface. Now click on the “Resources” tab in the interface and expand the “Local Storage” dropdown. Now look for the exact URL of the website under the Local Storage menu and click on it. This will display the “Key-Value” pair of information stored for the website.

Block Flash Again in FlashBlock

To block the website through FlashBlock again, look for the key “ujs_flashblock” and right click on it and select the “Delete” option from the menu. Once you have deleted the key, reload the website again and Flash will be blocked on it.

Though there are several other Flash blocking extensions which provide with an easier interface to manage whitelists and blacklists, the extension in question is one of the best out there and does not hog resources. Blocking a website again is a little hard, but it is a great tradeoff for performance it provides.

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Author: Keith Dsouza Google Profile for Keith Dsouza
I am the editor-in-chief and owner of Techie Buzz. I love coding and have contributed to several open source projects in the past. You can know more about me and my projects by visiting my Personal Website. I am also a social networking enthusiast and can be found active on twitter, you can follow Keith on twitter @keithdsouza. You can click on my name to visit my Google+ profile.

Keith Dsouza has written and can be contacted at keith@techie-buzz.com.

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