Collapse empty ad spaces (element hiding) #155
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As mentioned in MM this is working well in Firefox and Chrome nicely too (with #157 for FF). |
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jonathanKingston
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Oct 6, 2022
This was referenced Oct 6, 2022
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This PR adds the
element-hiding.jscontent script, which is injected into pages to hide empty ad spaces. This is similar functionality to what most ad blockers call 'cosmetic filtering' with one key caveat: we are only hiding spaces where ads didn't load due to blocked tracker requests. To accomplish this we use a heuristic to check each ad container selector for visible content, and only hide if no visible content (eg non-tracking ads) is found.Initially this feature will only be enabled in the macOS app, with other client support to come as follow ups. This feature is v1, we will likely follow up with a more sophisticated approach in the near future.
This script functions based on Privacy Configuration rules so that coverage may be expanded remotely without requiring updates to this repo or clients.
To see this functionality in action, navigate to a site that has a large blank space at the top of the page where a tracking banner ad didn't load, and see that the empty space is hidden shortly after page load. A few example sites to check are bloomberg.com, cyclingtips.com, and fandom.com.
Asana link: https://app.asana.com/0/0/1203092629639220/f
Corresponding privacy config PR: duckduckgo/privacy-configuration#508