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How does an ad blocker Work?

Every Ad Blocker has some specific technical uniqueness which makes it different from the other. But if we analyze them principally, most of the ad blockers work by utilizing two rules in their software’s program.

  1. One is called communication blocking which is mainly due to the fact that it blocks the ad-servers e.g. blocking all the servers with the URLs “google.adsense”.
  2. Certain element hiding is also done by ad blockers with specific HTML e.g. hide out all the elements with class “ads”.

The idea is that when a person needs to block ads, he downloads the ad block plugin or some browser extension.

Then after installation, when he surfs through the internet, the certain type of ads are programmed on that particular site to appear but they get blocked by the ad blocker because there are also certain types of scripts to block in the programming of an ad block.

So, it is done by comparison which occurs in the seconds to decide what not to show on the web by the ad blocker. Some type of iOS ad blockers is so efficient that they block ads even before the site is loaded. So, in this way site runs faster than usual and provides best end user experience.

In the programming of an ad blocker plugin, there are certain types of ad-server domains which are specifically blocked by the plugin to ensure the ad-free experience. It is also a fact that all of the ad-server domains cannot be blocked by the software, so it tries to hide it when it comes in front of the user.

Every website also has certain spaces for ad placement. The plugin is programmed in such a way that it indicates the areas of the site where ad placement is chosen and thus prevents the ads on a large scale.

If the ad blocker rules are made aggressively in its programming then some of the content of the site which looks suspicious to ad blocker, it blocks it even if it is not an ad, so imperfect selection also happens and ad blockers are therefore made with certain tolerances and boundaries.

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