The above technique has been tested on AdBlocker Ultimate & Sigma Adblock extensions. However ad scripts rarely fail to load, unless there is an adblocker working. This is a technique not to detect adblockers, bur rather detecting if the ad script has failed to load. If the adblocker blocks the ad script, this event would be fired, and we would come to know that ads won't be showing up. published 2.0.2 a year ago published 2.0.2 a year ago. Simple library for detecting ad blocker presence on web page. However to detect this blocking we can use the onerror event of the script element. Detecting uBlock Origin, Adblock Plus and AdBlocker Ultimate with JavaScript only. AdBlocker is a browser extension that disables the ads in certain webpages by blocking specific scripts and DOM elements. If you want to create a special icon that disables JavaScript for certain browsing sessions, you can use the -disable-javascript switch. What adblockers do is that they block the from loading. Create Shortcut Icon to Disable JavaScript. affiliate links).Īds are shown in the website through a that is included in the page. If they are blocked, sites can possibly insert HTML to show other monetizing content (for eg. is this possible in Python requests library, or any other. So I was thinking if I can tell the web/http server that my JS is enabled and Im not a BOT. The solution below is a Javascript based method to find out whether ad blocker is. I tried to see same behaviour in web browser and yes the same response, however if JavaScript is enabled it will not affect the original response, I mean original response is not dependent on JS. However, if there is a green area with Adblock disabled, your ad blocker is not active or does not block ads correctly. If there is a big red area with the step Adblock detected your AdBlocker is working. github Update deps and CI ( 2889) 9 months ago bench Various optimizations. To detect them we need to have a generic solution which should not be specific to a particular ad blocking software or extension and should work irrespective of the browser user is using. If you want to know whether your AdBlocker is working, you just have to look into the following window. ghostery adblocker master 28 branches 161 tags Code ghostery-adblocker-bot bot and Ghostery Adblocker Bot Update local assets and compression codebooks ( 3304) 1f49855 last month 3,657 commits. This causes loss of revenue to sites that offer free content.Ī possible way to make up for this loss would be to detect if ad serving scripts (Adsense, Carbon etc) are being blocked. Popular ones are AdBlock Plus, AdBlock, AdGuard, Stands Fair Adblocker etc. Lots of users use adblocker extensions to disallow ads showing up on their end (~ 20% for ). If the script fails to load, probably it has been blocked by an adblocker. A possible way of detecting adblockers is to listen to the onerror event of the ad serving element.
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