Starting June 2024, adblockers such as uBlock Origin and many other extensions on Chrome will no longer work as intended. Google Chrome will begin disabling extensions based on an older extension platform, called Manifest V2, as it moves to the more limited V3 version.
Wouldn’t loading the ads impact performance moreso than loading them? Not really a browser nerd so no idea it just seems like blocking a piece of content from loading outright would be less demanding than loading it.
How the WebRequest API works is:
- Network request is made
- Sent to the WebExtension
- Extension runs arbitrary JavaScript (Slow to very slow)
- Repeat for every extension handling requests
- Results eventually make it to the WebProcess where it belongs.
This is slow and will always be. Their change to remove blocking makes steps 2-4 a copy of the data instead of a synchronous call.
Now an ad can be slower, just by more data or bad JS. But that isn’t Googles concern because they sell those ads.