Wednesday, 25 March 2009

How to disable Ad Blockers

Last week I posted an article about Ad Blocker Detection. Once you have an estimate of the potential advertising impressions lost, you can decide if you want to address it and how you wish to do that.

Some websites think of visitors employing ad blockers as content thieves. Some sites even go as far as forcing users to accept adverts to browse their pages. Personally I believe most sites don't have strong enough content to warrant this and they will only alienate users.

I believe the only way to get visitors to disable their Ad Blocker on your site is to ask them, nicely. All you can do is encourage them to support your site.

Have a look at these two banners. If you have an Ad Blocker currently enabled, then they will be identical. If not, then you will see an old Amazon banner I exhumed, and then a clear and polite message asking for support.

Ancient Amazon Advert


Both banner slots have the message set as the background image, but it is not visible for top slot as the Amazon banner is in the foreground.

To ensure the the background message is not displayed to users when no Ad Blocker is employed, the first frame of the image is transparent and is displayed for 5 seconds. Even the slowest advertisement should load within that timeframe.

If you are concerned that this message might be displayed to the user when no advertising inventory is available for this slot, then I would suggest you address the lack of ad availability before you try and reclaim more impressions. Beyond that, the prudent approach would be to set the background property for the banner slot with JavaScript only after you have detected the user is using ABP.

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