Part of the problem – as AdGuard concedes in the post – is that Easy List (which AdGuard and many other ad blockers use) is a woefully inefficient rule list with over 50,000 entries. Many of which are out of date, redundant and not optimised for performance. This leads to excessive memory use and performance slowdowns and is one of the reasons why there is a 50,000 rule limit in the Safari Content Blocking API. As a…
I guess that depends on how far you stray from the top [x] sites of alexa?