Blocking website adverts in web browsers has been a hot topic in recent years and there are merits to both sides of the argument. Many sites out there bombard you with tons of ads, and quite often you will feel that you have no choice but to use an ad blocker because either the ads slow down the site loading too much, or they are incredibly annoying and get in the way or distract from your browsing.
On the other side, there are sites that try to inconvenience you as little as possible and be sensible with the amount of ads displayed and their placement. Blanket use of ad blockers will hurt those sites just as much as the bad sites you feel have gone overboard with their ads. It’s no secret the vast majority of websites on the internet need to use ads to help pay for running costs. Staff, hardware, fast servers, fast CDNs and the like are not free and need to be paid for.
But we cannot get away from the fact an ad blocker is probably the number one add-on for browsers like Chrome and Firefox, and will continue to be so for some time yet. Besides removing the adverts, ad blockers also save bandwidth by cutting down the amount of content a page loads, they can also help with your privacy by blocking scripts that track your browsing habits. There’s several ad blocking extensions available for Chrome and Firefox, and some work better than others. To see what they do when when loading a web page, we’ve decided to put a number of ad blockers to the test. This test is about the performance of an ad blocker in terms of how quickly it loads a range of ad blocked pages, the maximum amount of memory it uses and how much stress it puts on the CPU.
The Ad Blockers on Test
There are many more ad blockers available in Chrome than in Firefox which is the reverse of what we expected. Here are the ones we are testing for both browsers.
AdBlock for Chrome – The most popular ad blocker for Chrome with reportedly over 200 million downloads. There was a Firefox version released briefly but that was pulled from the Firefox add on pages for unknown reasons. AdBlock has acceptable ad options for YouTube and Google search but they are off by default.
AdBlock Plus for Chrome /AdBlock Plus for Firefox – One of the most well known ad blockers and also one of the most controversial because AdBlock Plus started off the trend of introducing acceptable ad whitelists. The AdBlock Plus website also has versions for Opera, Safari, Maxthon, Internet Explorer and even Android.
AdBlock Pro for Chrome – AdBlock Pro is based on AdBlock Plus but has a simpler options interface and no acceptable ads option. The icon button sits in the address bar instead of the normal add on area and has 3 simple options to disable, go to options or create a filter.
Adguard for Chrome /Adguard for Firefox – Adguard is easy to use and extra blocking scripts can easily be added. Adguard’s main product is a shareware desktop application that blocks ads in a number of browsers without the need for browser add-ons. Beta versions of both add-ons are available for testers.
AdRemover for Chrome – AdRemover is based on AdBlock with just about the same number of options minus the support tab. On the face of it, most of the differences appear to be cosmetic and although it doesn’t ask for donations, there are social media buttons when clicking the icon.
Ghostery for Chrome /Ghostery for Firefox – Ghostery can block analytic scripts, widgets, web beacons, privacy scripts and or course advertisements. The good thing about Ghostery is the ability to individually enable or disable scripts on a per site basis. Versions are available for Opera, IE, Safari and mobile operating systems.
Simply Block Ads! for Chrome – This hasn’t been updated since 2014 and there’s reports that some ads aren’t being blocked, but it blocked all ads on our test sites so we included it. Simply Block Ads! (aka Simple Adblock) is the easiest to use and the only option is an opt-in to send usage statistics.
SuperBlock AdBlocker for Chrome – This is another AdBlock fork and appears to be by the same developer as AdRemover. Apart from an extra entry in the filter list and a few styling changes, we can’t see much difference between the two, perhaps there are more changes underneath.
µ Adblock for Firefox – µ Adblock (Micro Adblock) is Easylist and EasyPrivacy based, and almost as easy as it gets. Simply click the icon to block/unblock specific sites. There are only 3 options including blocking social buttons. One issue is µ Adblock hasn’t been updated since January 2015.
µBlock Origin for Chrome /µBlock Origin for Firefox – An up and coming ad and script blocker for both Chrome and Firefox, it also claims to be very CPU and memory efficient. A lot but not too many scripts are blocked out of the box and it’s easy to use with a number of other blocklists readily available. You can also allow or block specific sites from loading on the page via advanced mode.
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